Dusk Shine Impregnates Gleaming Shield

by DeWitt-Enterprises

Rating: mature
Tags: Shining Armor, Sex, Profanity, Alternate Universe, Twilight Sparkle, Anthro, Porn, My Little Pony: Friendship is Magic, Princess Cadance, Fetish, Romance
Length: 14597

With Gleaming Shield returning home, Dusk not only has to deal with being a third in the marriage... but also how to handle the fact he might be in love with his older sister.

A week and a half after quite an exhausting consummation with Cadance, Dusk finds himself sat on the couch at the welcome home party for his older sister. He's conversing with friends and family, joking and laughing about old times... and trying not to stare at Gleaming too much, as he'd rather not give away the fact that he's, even as a grown adult, still madly in love with his sister.

Kinks: R63, romantic incest, femboy, foreplay, anallingus, multiple orgasms, size difference, more filthy cuddling, excessive cum, minor cum inflation, and impregnation.

Cover art is done by Suirano

A/N: a heavily-revised, new-canon sequel to the original story brought on by a growing hatred of how the sequels turned out.

Published 2019-04-18 11:20:01 UTC
Last updated 2019-04-21 12:08:20 UTC

The Forbidden Fruit is Always the Sweetest

"Breathe," Rainbow said with an annoyed sigh, hands stuffed in the pockets of her jacket as she stared at the hunched-over stallion.

"I... I am breathing," Dusk panted, barely able to get the words out without losing consciousness.

"No, you're not," Rainbow groaned, quickly stalking over to Dusk with her hands free.

She grabbed hold of his torso and yanked him up straight, tilting his head backwards to get him to look upwards, and then placing his hands behind his head.

"Breathe," she repeated in a harsher tone, loudly doing so in an exaggerated fashion as she gestured at her chest, raising her hands up and down to mimic the flow of air.

Dusk did as instructed, sucking in as much air as he could before getting a thwack around the kidney. He turned to Rainbow with an irritated expression, only for her to point at her muzzle.

"In through the nose, out through the mouth," she ordered. "In until your lungs are full, and then out through your mouth. Keep yourself up as straight as possible for proper airflow. C'mon, dickhead, we've been over this a thousand times before."

"I'm a little busy trying not to die, here," Dusk moaned, hunching over slightly again only to receive a right hook to the back of his shoulder.

"Up straight, you moron!" Rainbow snapped. "Otherwise you're going back around the track until you start vomiting blood!"

"Alright, alright!" Dusk barked back, standing up as straight as possible and following instructions.

He felt the pain in his lungs as he forced them to expand, body tired and heavy after all those laps, skin coated in sweat, mane plastered to his scalp and heavy with the fluid. Rainbow kept her eyes, hard as diamond, trained on him the entire time, hands moving to rest at her hips before sighing loudly. Her head shook in disappointment, and her body language spoke of nothing more than light disgust.

"What's that look for?" he asked her after a moment of analysing her lithe form.

"The fact you insist on not doing what I tell you to do despite me knowing more about this fitness shit than you know about anything else," she said with an annoyed shrug, turning a pointed finger towards Dusk and glaring at him. "The fact that half of the trouble I have in training you isn't teaching you the ropes and how to handle actual exercise, but that I have to babysit you like you're a fucking child because you constantly slack off and ignore me every time you start to get a little sweaty."

"I mean... I guess that warrants a look or two," Dusk nodded.

"It warrants a smack in the mouth and a 'if you're not gonna take your training seriously, then why the hell should I?' speech, is what it warrants," Rainbow glowered, crossing her arms over her chest. "I've got a waiting list for clients that want training as long as a river, Dusk. I'll grab you by the scruff of your fucking ponytail and throw your ass right down to the bottom of it to let somebody else who wants to be here take over if you don't sort yourself out and actually start trying."

Rainbow stepped forward and jabbed a finger into Dusk's torso, getting a grunt of pain from the slightly-taller stallion in response. The azure pegasus spoke with as much fire in her eyes as she did her voice, really reading the riot act for the stallion who slowly began to fear for his life.

"I'm fine with you wasting your own time and your own health, scoffing down microwave meals and lounging about in your study for thirteen hours a day. Don't matter nothing to me whatsoever," she snarled, jabbing him again. "But you've brought me out here for this. You've made me clear my schedule and put my hours into dragging your sorry ass around here. I don't have a problem with you wasting your own time, Dusk. I've got one hell of a problem with you wasting mine."

There was a brief moment of silence between the two of them, Rainbow glaring with absolute fury into the eyes of the lavender Alicorn while Dusk remained silent, muzzle wrinkling in a nervous fashion as the seconds ticked by.

"So you've gotta make a choice, here and now, Dusk," she continued. "D'you wanna call it quits right now, give up, and go back to doing whatever you were doing before, or d'you wanna keep wasting my time?"

Dusk opened his mouth to answer, only for a smug, almost-playful giggle fell from Rainbow's mouth, her eyes closed and her lips parted in a cute smirk.

"Oh, who am I kidding?" she said with another shrug. "That's too obvious a thing to ask..."

Her expression hardened all of a sudden, the playful demeanour dropping in its entirety as she opened her fiery eyes once again, grabbing a hold of the scruff of Dusk's shirt and yanking him down to her level, staring almost into his soul with blazing anger.

"You really don't wanna keep wasting my time," Rainbow snarled.

Dusk was silent for a long moment, eyes darting sideways, down, and then back to the boiling pits of hatred that were Rainbow's shimmering orbs. He felt the fear well up inside him for a long moment... only for a sudden wave of calmness and understanding rush over him. With a gentle hand, he broke Rainbow's hold on his shirt and stepped away. The azure mare eyed up her worthless little student as he put his hands on his hips, mind awash with thought and eyes lost in his own decisions.

Rainbow crossed her arms once more, tapping her foot impatiently on the firm ground as Dusk remained completely silent for the longest time. Eventually, the stallion reached a decision with a heavy huff, slowly turning to face Rainbow with a much more firm and much less terrified expression. His voice was clear and unwavering as he spoke, a world of difference away from how it had been moments earlier.

"I'm sorry to have wasted your time, Rainbow," he sighed in a low tone. "But I think it's time to call it quits for this whole thing."

"That's fine, egghead, nothing to upset me," Rainbow shrugged dismissively. "I just didn't wanna have my time wasted, is all. Though I gotta say, I'm surprised to see you nut up and handle it like that. You usually fold like a house of cards whenever I put the squeeze on you."

"Yeah, well, I've grown up a bit in the past few weeks," Dusk smirked, walking back over to Rainbow Dash and gesturing to the rest of Ponyville with a nod. "Mind if I take you somewhere to make it up to you? Food? Movie?"

"Are... are you asking me out?" Rainbow smirked in a sly tone, giving him a playful-sideways glance.

"No, I'm a friend asking another friend if she's in the mood to hang out for a while," Dusk chuckled. "But, if you're in the mood to take it there, I can play along for a while, at least."

"Play along?" she asked, hands on her own hips with a cocked eyebrow. "You got some other commitment you're trying to fuck around on with me, Mr Shine?"

"Heh, if only that were..." Dusk began with a laugh, only to trail off as the cogs in his brain started working again. "Commitment... oh, fuck! Gleam!"

"Are... are you fucking your sister?" Rainbow queried in utter confusion.

"What? No! Gleam's coming back from deployment today!" Dusk panicked, running his hair through his thick, ponytailed mane in a frantic fashion. "Ah, fuck, I think I'm already late! What time is it?"

"Like..." Rainbow purred, checking her watch ambiently. "Eleven thirty. What time is she supposed to be coming back?"

"At eleven!" Dusk screeched, teleporting out of there in a poof of dark purple magic and leaving Rainbow alone on the track.

She pursed her lips in an annoyed fashion, angrily kicking a rock that lay in front of her with a flimsy swing of her leg, only to sigh loudly as she clapped her hands to her face.

"So close... had it on the tip of his tongue..." she glowered, grumbling into the palms of her hands. "Next time... always next time..."

Dusk reappeared with another quiet poof, stumbling over himself as he landed outside of his parents' house. Fumbling with the keys on his key ring, only to come to the realisation that the door was open when he tested it. He cursed himself mentally, ready to rip the door open and charge in to proclaim how sorry he was... only to catch himself before he did so.

"You're late, over an hour late. The party's in full swing, everyone's gonna be mingling and having a good time. You are not about to run in here and ruin everyone else's good time by making yourself look like an idiot," he scolded himself mentally. "Take a breath, compose yourself, and explain the situation. I was training with Rainbow Dash and lost track of time, and I am so sorry about forgetting about this whole thing. You're gonna look like an asshole, but let's try to keep the damage to a minimum, yeah?"

With that, he unzipped his track jacket, pulled his white shirt down to uncurl it, took a deep breath, and stepped inside the house. He closed the door behind him, already feeling the nervous bubble begin to swell inside his chest again as he thought about having to face everyone and explain why he was late to one of the most important days of this year. He shook his head briefly, mane tumbling over his shoulder, before turning around to face the music...

Only to find his mother standing in the hallway with a drink in her hand and a rather... evil? Playful? A smile that said she was warm and welcoming... as well as screaming that she was about ready to murder him. She drummed her fingers on the sweater covering her arm, eyebrow cocked, and dead silence ringing louder than any scolding she could give him.

"So..." she began in a slow fashion. "What is it this time?"

"I... what d'you mean?" he said sheepishly.

"The excuse," Velvet chuckled, swilling her drink around in her glass. "You've always got one, and they're always at least interesting."

"I, uh... I'm a... a moron?" Dusk tried, testing the waters to see what his mother's reaction would be.

"Dusk, sweetie," she beamed in a happy tone. "C'mere."

Dusk gulped, terror rocketing through his entire body.

"No thank you."

"Dusk..."

"Yamate!"

"The longer you say no, the worse it's gonna be..." she sang in a truly ominous voice.

Dusk swallowed his fear, slowly walking over to his mother and stopping just in front of her. She was silent for a long moment, eyes closed and smile remaining as wide and as warm as ever... before she proceeded to clap him around the side of the head without so much as a hint of changing her expression.

"Now go in and apologise to your sister," she smiled, kissing Dusk gently on the cheek and pointing into the living room.

Dusk nodded, ears flat against his head and shoulders slumped as he wandered into the living room. There was the sound of chatting, moreso than he'd expect from a family reunion for a family of four... only to stop dead in his tracks as he spotted the familiar and oh-so colourful hues of Cadance, Luna... and Celestia herself.

All of them looking at him...

Arriving late...

Again...

Cadance rolled her eyes with a smirk as she looked at him, Luna simply glared with her usual ambivalent expression, and Celestia... well, Celestia had been used to this kind of behaviour for a long while by this point, and still expressed enough disappointment in nothing more than a single look to make Dusk want to curl up and actually die.

"Dusk," Celestia sighed, crossing her arms and drumming on her bicep with her fingers. "How long have we known Gleam was coming home for?"

The stallion didn't answer, instead inhaling quietly and looking up at his mentor.

"Can we not do this now, please?" he asked in an almost-begging tone. "I've already caused enough of a scene showing up halfway through the party, and I don't wanna bring the mood down anymore by having everyone sit here and listen to me getting chewed out. So... can we save this for later? Please?"

Celestia's mouth remained open for a brief moment, eyes flashing in thought for the faintest of seconds, before closing. She nodded quietly, turning her attention to her sister and niece for the time being. Dusk's eyes followed Celestia's, seeing Luna inspecting what appeared to be clothes made for a newborn.

"Isn't it a little bit early to be sizing up-" he began, only to be cut off by someone wrapping their arms around his waist and lifting him into the air like a small child.

"Hiya there, shithead," Gleaming Shield smirked as she held Dusk close to her chest, resting her chin on his head. "Finally decided to show up, did you?"

"I... I'm sorry, Gleam," he sighed in a defeated tone. "I was training with a friend on mine it went way longer than it was supposed to, and by the time I realised I was meant to..."

He fell silent after a long moment, pursing his lips, and looking down at the floor again.

"I'm sorry," he repeated.

"Shit, kid, lighten up," Gleam said with a whistle. "You missed a welcoming party, not a funeral."

She dropped him down onto the ground, the room focusing on the two of them as they spoke. Dusk turned around to face his older sister, not looking up at the behemoth that towered over a foot above him, but simply putting his hands in his pockets and staring at the ground.

"You... you come down with a case of the mope while I've been away?" she asked, gently thumping him in the arm. "I'd have figured you'd be bouncing off the walls about me coming back... but the way you're acting, it seems like you don't want me around anymore."

"No, no, it's not that!" he exclaimed, eyes widening in shock as he looked up at his sister's soft smile. "It's just that..."

He trailed off as he spoke, eyes wandering over her visage and noticing something peculiar: she was wearing her mane down. She never usually had it like that, either tying it up in a ponytail, a bob, or having it hidden underneath her helmet. It touched down to the small of her back, thick, flowing, and beautiful. Her bangs framed her face perfectly, fringe hanging over one eye, her plump, painted lips and bright, almost-glowing eyes looking like sparkling gems beneath the surface of a calm, cool lake.

His breath caught in his throat as he stared at her, mouth hanging open as he struggled to find the words, explain his true meaning, or even breathe at this point. A brief second ticked by in his gawking, the gears in his mind whirring quickly to catch up and realise that he was currently gawking at his older sister in a room full of friends and family.

He threw himself forwards, wrapping his arm around her wide waist and squeezing her tightly, Gleaming returning the gesture after a moment of shock before Dusk found the words to recover.

"I'm glad you're okay," he muttered. "I was really worried about you."

"I'm glad I'm not dead, too," she smiled widely, beaming like a happy child. "Life would really suck without me around."

She was wearing perfume as well. Another thing that almost never touched Gleam's being day to day. Must've been something recent that made her decide to be this... feminine. His mind stuttered again, finding it difficult to process anything that was going on around him now that he was... he was this close to Gleam again. She petted him on the head affectionately, feeling this a good time to let her go as to avoid being weird.

"Hey," Dusk pouted, flicking her hand away from his thick mane.

"What the fuck is that?" Gleam demanded, reaching behind Dusk's head and yanking on his ponytail.

"Hey!" he snapped, nearly having his head torn from the base of his spine by the force of Gleam's strong pull. "I haven't had time to go to a barber's yet. I'll get it cut over the weekend or something."

"Now, you leave him alone," Cadance said sternly, giving her wife a playful set of evil eyes as she moved over from her family to Dusk, wrapping her arms around him in a protective fashion and holding him against her heaving bust. "I like the ponytail."

"It makes him look like a sissy," Gleam groaned.

"Because he is a sissy," Cadance pouted, pecking Dusk on the cheek playfully while he went red as a tomato. "And he's the most beautiful little sissy I've ever met."

"You've got such shit taste in stallions, Cadance," Gleam chuckled with a roll of her eyes.

"Hey!" Dusk snapped.

"Oh, shut up, you big girl's blouse," Gleam sniggered, flicking Dusk on the forehead and producing an almighty thwack. "You barely even qualify as a stallion."

"Mhm, I can prove that statement wrong good and quick," Cadance sniggered playfully. "Little Dusky here's more stallion that most twice his size... probably because he's twice their length, too."

"Cadance!" Dusk exclaimed in horror.

"Yeah, well, not that I'd know," Gleaming shrugged.

Oh yes you would.

Dusk shook his head, trying to chase away memories from a long time ago as he focused on distancing himself from Cadance, only to be grabbed by the older mare and dragged over to a couch. She plonked herself down on the two seater and kept herself tucked good and tight against her little lover. Dusk felt he couldn't have been more embarrassed, being in a room full of people he knew for a fact were aware about his little stud activities with Cadance, and now having to deal with the big, pink princess coddling him like a child.

It was made even worse when Gleam decided to put her enormous size onto the couch as well, both mares being twice as wide as Dusk and both almost a foot taller than him, and squeezing up against the poor little twink. His heart pounded in his chest as Cadance's hand found its way to the middle of his thigh and felt about ready to vomit as he felt his sister's wide hips press up against his own.

"Relax, Dusky..." Cadance purred down at the blushing stallion. "You'd have thought you were about to be executed."

"Yeah, stop making sitting down on a couch so weird," Gleam nodded, poking him on the cheek. "You look like you're getting off on it."

"I'm not!" he barked, eyes locking onto the floor beneath his feet.

They were so warm... Gleam and Cadance were like radiators that pumped out pure fire. He couldn't find a way to get comfortable, so desperate not to lean on or touch them anymore than he needed to. He'd have been fine if it was just him and Cadance alone. He had no problem snuggling up to her whenever she wanted but... there were so many people. And Gleam was someone he didn't... somebody he couldn't bring himself to get too touch with or else he'd...

An unwanted shiver racked his body, memories both uncomfortable and arousing to him flooding back, reminding him of a time between himself and his sister that was more adult than... than they should've been. He felt Gleam shift herself to lean over the arm of the couch, now pressing her ass against Dusk's thigh. He felt her heat, felt her weight, and felt his own heart nearly launch out of his chest.

He twitched reactively at Cadance's touch on his thigh, her fingers gently curling over his rather lady-like leg. He looked up at her, cheeks a boiling red and face scrunched up almost to the point of breaking. Her expression faltered for a brief moment, the smile dropping from her lips. She seemed to sift through a bunch of different expressions as she mind wandered through the current situation.

Her eyes softened as she looked at him, lips pursing briefly as she scanned the room, eyes narrowing slightly as she stared at her wife's sizeable rump, and then widening in a sense of understanding once she realised exactly what situation the poor stallion found himself in. Cadance's touch on his thigh tightened briefly, her eyes glowing just the tiniest bit underneath her eyelids as she kept them closed, clearly trying to hide what she was doing from the room around her.

Dusk had seen that look on her face before, knew exactly what Cadance was using her magic for. She'd done it the first time they'd gone to bed together. It was her Lust Sense, as she'd uncreatively dubbed it, a magical ability unique to her that allowed her eyes to see the desire radiate off of somebody. He knew it before she even finished scanning him that he was burning with it, hot desire coursing through him like lava down a mountain.

Cadance looked over to her wife, ready to tap her on the shoulder and get her to realise that she was accidentally grinding up on her younger sibling... only to falter in her prod and come to a stop. Cadance's mouth opened ever so slightly in shock, her eyes opening and narrowing at Gleaming before lowering her hand. Dusk caught the glance and shared his own look of confusion, eyes bolting back and forth between Gleaming and Cadance before the pink princess gently prodded Gleaming on the shoulder.

Not in any playful way, nowhere close to the level of sexual mischief Cadance often did. A serious poke, one of a genuine need, even possibly urgency. Gleaming turned around with a confused look as to who'd poked her, then one of endearment once she realised it was Cadance... and then a look of confusion at her wife's more serious expression.

"Can we talk for a moment, please?" Cadance asked quietly, nodding towards the doorway.

"Yeah, yeah... sure thing, baby," Gleaming agreed, concern in her voice as Cadance got to her feet and was followed by her wife out of the living room and, seemingly, upstairs.

Dusk was left in his own silence after this, the chat around the room between Gleaming and the rest of the guests muttering about the departure of the other two, before focusing again on the topics at hand. Dusk's heart thundered in his chest, panic-stricken and sick to his stomach as his mind wandered, conspiracy theories and personal fears bubbling over in his brain and making him feel sweaty, heavy, and scared. Had Cadance become disturbed by his reaction? Was she afraid of what was going on in his head?

He didn't move for a long while, eyes locked entirely onto the floor, the world around him meaning and mattering nothing to the terror of thoughts he had swarming inside his skull. There were so many things he still had to discuss. It had been something she'd known about, but Dusk had no idea how Gleaming really felt about him fathering a child she was supposed to raise. She had no idea how Gleam felt about him seemingly taking over a husband role with Cadance.

Was she okay with it? Did she put on a good face and pretend to not mind when, deep-down, she despised him for stealing her partner? He and Cadance had sex three or four more times after he'd gotten her pregnant, all on Cadance's request, but... what if Gleam wasn't okay with that? The worry swirled around him like a monsoon, his stomach tying itself in knots and his brain alight like a death pyre, ready to burn to ashes and leave nothing more than a cold husk.

He was so absorbed in his fears and doubts that he hadn't even noticed his mentor sitting down next to him, the seven foot Alicorn gently placing a hand on his shoulder. He jumped in shock, only now seeing her enormous, alabaster figure, as she opened her mouth to speak.

"You are in your head, boy," she said in a gentle tone.

"Yeah, I... I guess," Dusk nodded solemnly, looking up at Celestia with a worried gaze.

"What's wrong, Dusk?" she asked.

"It's just... you know about... about Cadance and me, right?" he asked in an awkward tone.

"I'm aware, yes. She was quite ecstatic to tell us," Celestia nodded firmly.

"It's just I'm... I'm a bit worried that Gleam's not okay with it," Dusk said, throwing out a half-lie.

"Understandable," Celestia said with a slow, thinking nod. "It may be difficult for her to process having... shared Cadance in a more lasting way than usual... but I'm certain Gleaming holds nothing close to ill will towards you for it. After all, there's not many people alive she loves more than you. And if it had to be someone else to do what they did with Cadance, I don't think she'd be nearly as comfortable."

"I just... I'm feeling like I overstepped my boundaries with her," Dusk huffed. "Like I've done something I never should've, broken some kind of sacred pact between siblings... and I feel really bad for it, you know?"

"Believe me, if there's one person you can talk to about the guilt over failing a sibling," Celestia spoke, eyes trailing over to Luna briefly. "It's me."

"What d'you think I should do?" Dusk asked.

"How come you're asking me for advice on dealing with your sister?" Celestia chuckled.

"Because you know literally everything?" Dusk pointed out with a hand gesture.

"Mhm, fair point," Celestia nodded with a toying smile. "If I had to open my bag of infinite wisdom, I'd say the best thing to do is try talking to her. Don't beat around the bush with it, don't leave it so stew. Be forward with her and ask if she's really okay with what you did and where you stand."

"That's... that's not exactly the 'all-knowing answer' I was looking for," Dusk muttered.

"Dusk, sweetie, you've always been your own worst enemy when it comes to these kinds of things," she beamed, bright as the sun she controlled, gently poking him on his soft cheek. "You take a simple situation and panic about it until it's thirty thousand times worse than it is and always end up making things harder on yourself without any need to."

"You got any secret Alicorn magic that'll make it so I'm not a colossal fuck up?" he asked in a dry voice.

"I'm afraid not, my dear," Celestia sighed playfully. "I don't think I could do the impossible."

Dusk looked up at her with a dry, disbelieving expression as he realised what she just said, getting a cutesy wink from the enormous mare before she got up and made her leave, returning to her younger sister's conversation with Dusk's mother. That left the worrying stallion alone on the couch, lost in his own thoughts once again.

The tension in his body was halfway alleviated and doubly reinforced once Cadance and Gleaming reentered the room, clearly finished with their discussion. Gleam looked... tense. Nervous about something, all the while Cadance was beaming from ear to ear about whatever it was they'd discussed together. Gleam's azure eyes drifted over to Dusk for the briefest of moments, locking for no more than half a second before she immediately threw them somewhere else.

That one gesture made his stomach sink like a mortared ship, plunging down into the deep dark abyss of fear, panic, and regret. Cadance waved to the party she'd rejoined all while Gleaming leaned against the wall with her arms crossed, eyes trained on the floor with unblinking focus. The pink Alicorn sat down next to Dusk, pressing herself up against him as she leaned over his much-smaller form to speak.

"Listen, the three of us... we've got some things to talk about when we're all wrapped up here, okay?" she began in a warm, gentle tone.

She touched Dusk's thigh affectionately, eyes bright and loving as they always were when peering into his. She smiled again, softer and less extravagant... but still as warm and caring as it needed to be. It helped alleviate some of his anxiety, loosen the knot in his stomach and make breathing a little easier... a little easier.

"Don't be afraid," Cadance said again, her hand moving from Dusk's thigh to the top of his head, gently caressing his mane as she continued to gaze warmly onto him. "Nobody's done anything wrong here... we've just got a few little... kinks to work out."

The playful wink she gave on that one specific word caused a shiver to run through his entire body. Did she know? Did Gleam tell her about the... the stuff from all those years ago? She wouldn't have, right? That was something they'd both promised to take to the grave! There was no way on this earth she'd just up and told Cadance about it... was there?

"You're panicking again," Cadance murmured gently to the trembling stallion. "Just try to relax and unwind until we're done here for the day... then we'll talk, okay?"

Dusk nodded quickly.

Dusk lied through his teeth.

The atmosphere in the living room of Cadance and Gleaming's home was thick and heavy, a fog of nervousness and uncertainty hung in the air so thick, you could almost cut it. Dusk sat on an armchair by himself, trembling with fear as Gleaming sat, again, with her eyes locked onto the floor as she kept a good distance away from her younger brother on the same couch Dusk and Cadance had... enjoyed themselves on.

Cadance strode out of the kitchen, bright and cheery as ever, with a drink in her hand before noticing the lack of interaction between brother and sister, and the cold, heavy atmosphere that was almost ready to choke them.

"Oh, for the love of life, you guys, we're not here for a divorce testimonial!" Cadance exclaimed, quickly striding into the living room and looking at both of them. "We're here to embrace a beautiful love and open a new chapter in our relationship from now until the end of time!"

Neither of the others spoke, merely casting their eyes anywhere but each other as Cadance's words hung in the air. The multi-hued princess sighed loudly, rolling her eyes in disbelief before speaking again.

"Alright, we need a tension breaker for this..." she muttered, turning to Dusk with her hand on her hip and a wide smile. "Dusk, baby, did you enjoy eating Gleam out all those years ago?"

Dusk's eyes nearly exploded out of his skull at that question, head rocketing up with a look of utter disbelief on his face as he managed to choke out a response.

"W-What?!" he exclaimed in a hoarse voice.

"Cadance!" Gleam snapped in just as horrified a tone.

"What? It's a simple question," Cadance shrugged. "Gleam told me all about it. Night alone in a fancy hotel room, puberty running wild for the both of you, Gleam gets a little brave, Dusk gets a little horny, and... boom. Little bit of casual incest breaks out. Nothing to be ashamed of, we've all been there before."

"Cadance, c'mon..." Gleaming mumbled quietly.

"Look, I said it when I accepted your marriage proposal, said it on the wedding night, and have said it every single time you've ever faltered in believing it," Cadance said as she turned on her wife, taking a brief sip from her soda before continuing. "You can't chain down the heart. It just doesn't work. You try to board up and lock away your feelings, and you're just gonna be miserable for your entire life. That's why you tell me and we work on making it happen, remember?"

"But that was... that was years ago!" Gleam exclaimed. "And I'd hardly call getting... being like that as a teenager considered a 'matter of the heart', would you?"

"Neither would I. Honestly, if it really were a one and done deal, I'd never have brought this up," Cadance chuckled. "But it's not, is it? For either of you."

The siblings shuffled and fidgeted uncomfortably.

"Oh, come on, you two, there's no reason to hide it anymore," Cadance glowered with frustration. "You two are crazy about each other. I can see it on you the second you're both in the same room. Dusk can't stop drooling over your ass whenever he's in eyeline of it, just as you can't stop thinking about making him cum in your mouth because you're mad you didn't back then."

Cadance swished her finger back and forth between Dusk and Gleam as she made a smaller, secondary point.

"Which, Gleam, baby, I gotta say: bad form," Cadance criticised. "When your partner gets you off, you've gotta return the favour. I'm honestly disappointed in you for that."

"Cadance..." Gleam glowered.

"Oh for fuck's sake, guys, come on!" Cadance barked. "We're here! We're alone! We're all fully-functioning, legal adults with our own wants and desires that we can act on. And it's so obvious, even without my powers, that you two still want and desire each other! So here's what we're gonna do,"

Cadance held up a finger and pointed it at Dusk and then at Gleam, before pointing up at the ceiling.

"You two are gonna waltz yourself up to that bedroom, lock the door for the evening, and then you're gonna bang," Cadance instructed. "You're gonna do horrendous, immoral, and ungodly satisfying things to each other until the last ten years of sexual frustration has been squirted out, and then after that, you're gonna talk. You're gonna talk, and talk, and talk about anything you wanna talk about."

"That's not gonna happen," Gleam growled defiantly.

"Why not?" Cadance asked. "You want him as much as he wants you."

"Because he's my little brother!" Gleam exclaimed. "I can't do something like that with him!"

"You did it before," Cadance countered. "Why not do it again?"

"Things were different back then," Gleaming sighed, crossing her arms and leaning back in her chair.

"Were they really?" Cadance asked with a cackle. "You were horny and around someone you love. Don't see any difference in then and now, sweetie, because I can see plain as day, you're still dripping to get a crack at him again."

"That's not... I don't..." Gleam began, trailing off with a hefty groan before rubbing her eyes in frustration.

"What about you, Dusky?" Cadance asked, turning to face her baby daddy with a smirk. "You've been awfully quiet?"

"I won't... I won't do anything if she doesn't want to," Dusk commented, unable to look at either of them.

"See?" Cadance chuckled, looking back at Gleaming. "He wants you. Why don't you want him?"

"Dusk, are... are you serious?" Gleaming asked her little brother in disbelief.

"I..." he began, biting his bottom lip as he began shaking from head to toe. "I won't do anything if you don't want to."

Gleam's gaze widened in shock, emotions and feelings of disbelief bolting through her, only for her eyes to fall once again. Dusk had nearly folded himself in half at this point, leaning so far forward onto his knees out of nervousness and a desire to not be seen by anyone. Cadance looked between the both of them momentarily, impatiently tapping her foot on the floor as she waited for one of them to do anything.

"Look... I get that you guys might be a little more apprehensive and willing to follow your petty little incest laws," the pink princess began. "And I know that you're nowhere near as daring as me when it comes to brazen sexual debauchery... but can you please try to see that this is only hurting your relationship in the long run? You're in love, I can see that. You can see that. But you're ashamed to admit it. You're constantly pushing each other away because you're afraid of it, instead of embracing it and fixing your relationship."

"It's not... we can't just up and get married, Cadance," Gleaming growled.

"Then don't. We don't need posters, we don't need a ceremony," Cadance waved away. "All we need is for you two to stop lying to each other and just go with what you actually want."

"Aren't you being a little bit forceful here?" Gleaming asked. "I really feel like you're starting to twist my arm with this tonight. I haven't brought this up at all before today, and Dusk's not exactly falling over himself to ask me to... to sleep with him. Are you sure it's not just you that wants this?"

"Gleaming Shield, don't you dare try to turn me into the bad guy here when you know full well that you want this more than anything," Cadance growled, waltzing over to her wife and jabbing a finger into her chest. "Don't forget who you're talking to and exactly what I can sense around people. You might be able to put up a wall and deflect everyone else, but I can see right through that little charade and know exactly what you want. And what you want-"

Cadance pivoted and pointed at Dusk as she spoke.

"-is that there, quivering and panicking because his older sister thinks he's a freak because she won't return his affection," Cadance finished.

"He hasn't expressed any affection, Cadance," Gleaming pointed out with a roll of her eyes. "For all we know, he's still going through some kind of Alicorn puberty that's making him act weird. And I know for sure that there's not a single iota of my soul that has anything resembling an attraction to my little-"

Cadance snapped her fingers and brushed the dust off a very old spell that she hadn't touched in a long time. A pink glow came over Gleaming's eyes as a wide, warm smile spread onto her face.

"-brother is just the cutest thing I've ever seen in my entire life. I've spent nights of my life just lying in bed and wondering what it'd be like to have his cute, tiny body pressed up against me, and I've spent even longer how amazing it would feel for him to put me on my back, spread my legs open and slide that fat, purple-" Gleam announced in a singsong voice.

Cadance snapped her fingers again, killing off the spell and allowing Gleam to return to her normal functions, at which point she clapped her hands over her mouth and turned a red brighter than a ripe tomato.

"What the fuck did you just do!?" Gleam screamed from behind her hands.

"Special power of mine. I can force someone to admit their romantic attraction to someone and make it impossible for them to lie," Cadance shrugged, sipping from her soda again. "I don't use it a lot because it's stupidly non-consensual and extremely violating to a person's privacy... but I'm kind of getting sick and tired of you being a liar and accusing me of forcing a narrative just to hide the fact you want your little brother to pork you. Dusk, you got anything to add to that?"

"I... I like cuddles," he squeaked out.

"Good gods, that's fucking adorable," Cadance beamed, turning around and thwacking Gleaming around the back of the head as she leaned against the arm of the couch. "Alright, liar-pants, we're all set up and ready to go here. All you need to do is walk across the room, pick up your little sissy of a brother, and shag the hide off him. You ready for that?"

"I'm... I don't want to... it's not as simple as..." Gleam growled, frustration boiling up and brimming over in the Amazonian mare.

"Gleam..." Dusk asked from across the room, looking into his sister's eyes for the first time since they'd got there, looking ready as if he were about to cry and with a boiling blush plastered onto his face. "Please?"

Gleam stared into his eyes for the longest time, her mouth agape as she looked at each and every single one of her darling little brother's features. From his beautiful, effeminate face, to his long, flowing ponytail that rested at the middle of his back, right down to his meek stature and vulnerable appearance... and the utter desperation dripping from his voice that nearly tore her heart asunder.

"Go on, B.S.B.F.F," Cadance cooed into Gleaming's ear. "Make him happy."

Gleam's entire body twitched for the longest moment, eyes unblinking, mouth agape, and an inability to do anything other than exhale slowly as she stared at her tiny little brother's quivering lip. A second ticked by, followed by another... then another... and eventually a fourth second of silence came, before Gleam nearly sprinted across the room to Dusk.

The meek purple stallion was caught off-guard at first, but any sense of apprehension or worry in his body was drained out the second Gleam's lips touched his. She hoisted him up off the chair, her foot of height over him leaving the twinky stallion dangling as he wrapped his arms around her. Gleam held him close to her chest, close to her heart, as she slid her tongue into his mouth.

The difference in stature between the two of them was enormous, and this was a trend continued by their oral muscles. Gleam's tongue dwarfed Dusk's without anything resembling competition, flooding his small mouth with her taste as she closed her eyes. Their bodies melted together in a matter of seconds, Gleaming turning herself around and dropping heavily onto the couch, cradling Dusk against her breasts as she continued to kiss him.

The timid little stallion seemed to have shed his worries and doubts, now embracing his sister in the warmest, most affectionate way he could muster. He paid no attention to his burning arousal, gave no thought to the hard throb that now caused his pants to tighten. That would come later, too far to even think about now. Right now, all that mattered was Gleam holding him, just like she used to whenever he got scared, or whenever he got hurt.

Whenever loneliness, doubt, or fear so much as touched him, she would wrap him up in her strong arms and shield him against anything that would ever dare to hurt him. Dusk audibly sucked in a hot, trembling breath, his heart pounding in his chest and his entire body trembling in desperation for his sister's affection.

Gleaming Shield... Gleam was Gleam, as always: strong, stoic, and in charge at all times. Her large, powerful form remained free of shakes, nothing resembling a tremble. Her iron spirit was shown again, loyal to her history, and focused on nothing more than the taste of her brother's mouth.

Cadance shifted behind them, catching Gleam's eye for a brief moment as she stood up and finished her soda. The pink princess pointed to the ceiling, the bedroom, before teleporting out of the house, leaving it to the siblings for however long they needed to set this new chapter of their relationship in stone.

Gleam ran her fingers through Dusk's mane, hitting the string he used to tie it back... and decided she didn't want it. She untied the dry material, casting it aside and letting her brother's thick, flowing mane tumble down over his back for the first time in a long time.

"W-What..." Dusk began, looking over his shoulder at his gorgeous mane before Gleam kissed him quiet again, chuckling to herself before she spoke.

"You're gonna be my beautiful little mare tonight," she purred in a rumbling tone, one Dusk could feel in his bones. "So you're going to look like one... mane and all, understand?"

"Y-Yes," Dusk nodded, blushing furiously at the growling lust in Gleaming's voice.

The larger pony wrapped a hand around Dusk's slender waist, her hand curving just down to grip at his wide, girlish hips... only for her other hand to clap loud and firm onto his ass. He squeaked in the most adorable manner Gleam had ever heard, instinctively grinding himself back into her hand as she squeezed his full cheeks.

"Mhm... Cadance wasn't kidding about this, was she?" Gleaming growled again. "Thick as a bowl of porridge back there..."

"S-Shut up," Dusk giggled in an embarrassed tone.

"I'm quite glad I worked out as much as I did my whole life, y'know?" Gleam asked playfully, gently suckling on Dusk's tender neck as she continued to grope his backside. "The squats made mine even bigger than it was naturally... and I'd have been furious if my baby brother had a nicer ass than me."

She kissed him again, lolling her tongue in his mouth and getting another wave of hot flavour from her callipygian sibling, a rush of lust-enhanced lavender touching her maw as his eyes rolled back into his head from her kiss once more. He was like putty in her hands, so soft and malleable... able to do whatever she wanted with him. Gleaming slid both of her hands down to his ass at this point, groping and squeezing his rear with a desperate need to experience just how amazing it was.

Dusk leaned into her kiss again, hands snaking up her iron-cast abdominal muscles and settling on her enormous breasts, squeezing gently through her shirt and stealing a purr of pleasure from Gleam's maw. The two giggled quietly together at their joint reaction, finding solace in the touch, taste, and texture of their sibling's gorgeous body as the minutes continued to tick by.

"Dusk..." Gleam sighed after several beautiful minutes. "I wanna take this upstairs..."

"Yeah... me too," he nodded slowly, kissing her neck gently before snapping his fingers and teleporting them both up onto Gleaming's king-sized bed.

"Good girl," Gleam chuckled, suckling Dusk's neck before breaking away from him. "Alright then, sugar. Strip it off for me. I wanna see it all."

Dusk nodded playfully, snapping his fingers again and causing his clothes to melt off in a rain of purple sparks, cascading down his curvaceous form and getting an eager, horny gaze from Gleaming. Dusk remained on his knees while he stared at Gleam, his older sister getting up and looking him over with a critical eye. Her finger slid over his shoulder, sliding down over to his narrow, toned chest before teasing circles down his cute, flat stomach.

The fat-bottomed twink widened out at his waist, full, mare-like hips supported by thick, gorgeous thighs. Gleam's fingers crawled over her brother's girly hips, snaking her hands against his bare ass and giving him a hard, firm slap on the rear. He squeaked again, knocked forward by the impact as Gleam's fingers felt his ass ripple under her touch. Her hand crawled across his backside, sliding underneath his tail and feeling the warm treasure trove he kept back there.

Dusk stiffened as Gleam's finger prodded against his tight asshole, the heat radiating through her digit as she looked into her tiny sibling's eyes. His face was a mix of embarrassment, desire, and love as he stared up at her. She applied a slight amount of pressure to her fingertip, pushing just slightly inside Dusk's back end and getting another warm groan from the femboy.

"Hm..." Gleam purred, removing her touch from his body and placing her hands against his narrow chest. "Maybe later... but first..."

With a mighty shove, she flung Dusk down onto his back, turning her attention to the enormous, throbbing cock that had been lying flat on the bed until now. Gleam dropped onto her front, burying her face into her brother's enormous ballsack and inhaling the only masculine scent the little bitch-boy had on him.

"Mhm... Cadance really wasn't kidding about these, was she?" Gleam purred, slowly dragging her tongue over Dusk's hefty balls. "Gotta say, I was always surprised you weren't packing a toothpick down here from how you look everywhere else. Suppose even though you got mom's body... I guess you got dad's cock, right?"

Gleam didn't wait to get a proper answer from her luscious little sibling, instead wrapping her hand around the tip of his cock while servicing his balls with her tongue. The twink propped himself up on his elbows, watching his sister work her magic on him and managing to force a sentence together.

"I thought... I thought you weren't into stallions, anyway?" he asked.

"Not really," Gleaming shrugged. "But I'm into you."

She placed the tip of her tongue on the base of his cock, sliding it up every last inch of the fifteen-tall tower she was pleasuring. Her plump lips planted a wet kiss on the head of his cock, leaving an azure blue lipstick print on there plain as day, marking her territory for the time being.

"Nhf... I still can't get over how big this thing is," she purred, toying with his medial ring with the tip of her tongue before staining it with another kiss. "I'm... I'm kinda pissed Cadance got to you first, if I'm honest."

"I don't mind giving you extra attention, if you want?" Dusk offered with a smirk.

"My, my... seems like there really is a stallion under all of that feminine beauty, isn't there?" Gleaming giggled. "Cadance mentioned you did nut up once you got your cock in her... I'm excited to see what you'll do to me."

"Anything you want," he promised.

"Well... we'll get to that later. First, I still owe you a blowjob and a finish, baby brother," Gleaming winked.

With that, she put herself to work on him. Her size counteracted the size of his cock rather nicely, meaning that the foot-and-some-change bludgeon that was between his legs wouldn't be nearly as life-threatening as it was to smaller mares. Gleam took the size in stride, tightening her lips around the tip of his shaft and swilling her tongue around it. The heat of her mouth hit him like an uppercut, arching his back instinctively and biting down on a quick groan of pleasure.

Gleam's plump lips looked beautiful around his shaft, her large mouth taking the challenge of his arm-thick cock without so much as a hint of difficulty. Cadance was the same and Cadance seemed to be more experienced and intimate with cock... but the fact that it was Gleam made it so much better. The alabaster mare's hands were on form as well, working on the base of his tree-trunk of a cock with slow, tender strokes, all while working his enormous balls, each one being big enough to fit the palm of her hand nice and snugly.

She was going for a slow burn, that much was obvious. She wanted to enjoy him... and he wanted to enjoy her just as much. Her tongue lapped around the twitching rim of the tip of his cock, Dusk's lack of experience and quite poor stamina had him drooling pre into her mouth in a matter of moments. It caught the large mare off-guard at first, a confused look spreading onto her face before her tongue tasted Dusk's load.

A groan then poured from her maw, vibrating down to the base of his cock, as she found herself in love with his taste. His actual load would be thicker, heavier, and so much more plentiful... but even this brief preview had his sister desperate for more. She began to bob her head slowly, lips taut and suckling harder than before. She was still keeping to her desire to treat and tease her little sibling, but at the same time had gained quite the hunger for his load.

A little speed boost wasn't going to hurt anyone... and Dusk wasn't exactly going to complain about getting his cock sucked harder. She rolled his balls about between her fingers, feeling the hefty, full weight of them in her hand as she toyed with them, fingers rubbing and caressing his swollen testicles, eager to give them the love and attention nuts as fat as those deserved.

Her gentle touch curved and moved around to the base of his balls... then under them... and then finding herself back at Dusk's tight asshole once again. With a sinister smirk and a playful wink at her brother, she reapplied the pressure to his back entrance. Dusk's thighs twitched and his toes curled as he felt Gleam's strong-yet-soft digits slide past his sphincter. His tight innards were explored by his sister's wandering touch, two fingers pushed down to the third knuckle inside him brought quite the wave of emotions through him.

Her fingers massaged his prostate gently, longer, smooth strokes of his pleasure buzzer gained an involuntary kick from the tiny stallion as he squirmed underneath Gleam's adoration. The blowjob was one thing, but now that the alabaster mare was eagerly pleasuring his insides, Dusk didn't have much of a chance of lasting all that long. He did as Cadance loved; drooling pre-cum into the maw of the mare lucky enough to have it wrapped around his cock.

His balls twitched visibly, filling fuller and fuller as Gleam teased, suckled, and pushed her darling brother closer and closer to an orgasm. His breath was heavy and panting, sweat beginning to bead his forehead as Gleam's skilled mouth and trained fingers worked his sensitive sex as hard as she was willing to go that early into the night. She knew from Cadance that Dusk blew quick and heavy, but the stallion had a surprisingly large tank to keep drawing from.

But if his cock was that large, his nuts that full, and his trigger as easy to pull as this, it didn't come as much of a surprise to the trained solider that Dusk had quite the heavy reserves that could create quite the heavy flow for a very long time.

And speaking of 'coming as a surprise'...

The lavender twink was at his limit there and then, barely having his cock in Gleam's mouth for three minutes before he blew his load. Thick, hot, and creamy as it poured into her mouth, her fingers continuing to stroke his base and his asshole to coax out as much of his wonder fluid as she could. Her amazement wasn't restrained as she lost herself in her brother's sheer virility, feeling his cum pool and splatter in her stomach for an ungodly long amount of time, eventually feeling herself fill to the brim before pulling back and allowing Dusk to cum all over her face.

His thick muck matted her mane, eyelashes, and smeared her make-up without any attempt to preserve it. He basted her like a turkey with his porridge-thick loads, audibly splattering against Gleam's face before dripping down onto her shirt, staining it with the heat and stench of sex. Normally she'd be miffed somewhat at the amount of effort she'd have to put in to cleaning her mane and clothing after something like this, but...

This was special. This was Dusk. She'd let him do things to her that no stallion would even be able to propose in jest. If he wanted to stain her clothes and smear her with cum, she'd let him do it with a smile on her face because it made him happy. And what was a sibling's job if not to make your family happy?

She removed herself from Dusk's twitching sex once he'd finally finished cumming, planting a kiss on his asshole and leaving a large lipstick print on it, marking him once again as hers and hers alone for the night. He sat up on his haunches, cock not even hinting at wilting just yet as Gleam looked over the mess he'd made of her.

"Well..." she said with a sigh, prodding one enormous puddle of cum that had slipped between the buttons of her shirt and down into her cleavage. "It was gonna be laundry day tomorrow, anyway."

With that, she removed her clothing with magic and tossed it aside, leaving it as a steaming, stinking pile of debauchery in the corner of the room, all while showing off her own marvellous naked form.

Gleaming Shield was stacked.

Full hips, thick thighs, enormous tits, and a level of beauty that most mares would kill to have... all mixed in with an Amazonian physique of powerful muscle. From large arms, to powerful legs, to an abdomen so well-formed you could grate cheese on it, Gleaming Shield was the best of both worlds for Dusk's confused and weak heterosexuality. All the woman he needed to feel secure, with all the power of a stallion to dominate him through the bed.

She cracked her neck, knuckles, and rolled her shoulders as she grinned in an almost-sadistic manner at her little twink brother, cocking her head sideways as she sized him up.

"So... that's you paid back for all those years ago," she said smugly. "Now, we're gonna do this my way. I don't bottom, sweetie, let's get that clear right now."

"I... I don't want you to," Dusk said with a meek shake of his head.

"Oh? Gleaming asked in surprise. "And why's that?"

"I want... I want you to break me in half," Dusk mumbled, slowly crawling over to Gleam and hugging himself against her huge, powerful body.

"That is easily done, baby boy," Gleam smirked. "But first... let's get me paid back for my oral service, shall we?"

"Didn't you just say that was paying me back for-" Dusk began, only to be cut off by Gleam, once again, violently shoving him down onto the bed.

Though, instead of planting her mouth on his cock, she instead planted the other end... on his other end. Somehow not driving the bed through the ceiling, Gleam sat her enormous ass down on Dusk's face, pinning the poor thing under one hundred and sixty pounds of power and drumming her fingers on his chest.

"Cadance told me you were quite a fan of going in the back door," Gleaming chuckled. "So, why don't you get it nice and wet with that slut mouth of yours, and maybe I'll consider letting you have a go on it. Deal?"

"Mhpmf," Dusk nodded.

"Atta boy," Gleam winked, playfully patting him on the stomach.

Dusk wasted no time getting into his meal, clapping his hands to Gleam's big, muscular ass and letting his fingers dig into the soft, supple flesh before hitting that iron wall of muscle. His tongue lay flat and desperate against his big sister's asshole, slowly dragging itself over her puckered back entrance as Dusk lost himself in the scent of her body. The heat from her radiated onto him like a sun, his entire body feeling flush and warmed through like nothing he'd ever felt before.

Her taste hypnotised him, the scent of her body wafting into his nostrils as he lost himself more and more into his lust. He felt Gleam's loving touch on his stomach, gently massaging the smooth and gentle curves of his belly, her fingers tracing and dragging patterns onto his flesh just as his tongue did to her asshole.

The mare was enjoying herself, that was made more than obvious through the shiver that wracked her body to such a powerful degree, it made the bed shake underneath the two of them. She moaned audibly before Dusk even had his tongue inside her, his hands massaging her enrapturing backside, unable to fit her cheeks into his hands simply due to her ass being so damn big.

Her hands slid down Dusk's body and began to idly play with his cock once again, rubbing her thumb over the tip of it, fingers toying with and massaging his balls. She wasn't trying to make him cum, that was obvious, but she seemed to be in the mood to fidget with something while Dusk licked her to heaven and back, and her brother's fifteen inch bludgeon seemed to be the next best thing.

Gleam began grinding her ass back against Dusk's muzzle just as he pushed his tongue past her sphincter, stealing another, much louder moan from the white unicorn as her grip on his cock tightened to an almost-uncomfortable degree.

"That's a good girl..." Gleam groaned, tickling Dusk's stomach with her offhand. "That's a good fucking girl."

She was getting riled up. He could hear it in her voice. She had that specific grunt to her voice that she always had whenever she was getting impatient with something. Whether it was training, going somewhere, or, in this case, fucking, Gleam was starting to get a little tired of the run around and wanted to get to the meat and potatoes, so to speak.

He could've started a countdown to when she was going to crack... but the timer wouldn't have been too long, as Gleam was desperate for a good dicking by this point. She removed herself from Dusk's near-flattened form, looking down at his sweating, panting body as he lay in quite a deep impression on the bed after having so much of Gleam's weight pressed down on top of him.

The captain of the guard looked down at him with an eager smirk, leaning over his form and pinning him down to the bed again by his soft, little arms. Her mouth locked with his once more, tongues sliding passionately over each other as they lost themselves in the other's touch. Dusk wrapped his arms around his sister's waist and she hoisted him up from the bed, placing him on his knees and squeezing him into her tits.

They were both covered in sweat at this point, the heat of their bodies and the rather raunchy steam running through their veins was making them both rather desperate for a big finish. Gleam opened her legs as she remained on her knees, sliding her hand down Dusk's shaft and aiming his cock right against the dripping wet opening of her tight snatch. Dusk looked up at Gleam with a cocked eyebrow, confusion plastered on his face as he opened his mouth to speak to her.

"D'you want me to put a condom on?" he asked with a quizzical glance.

"No, no... we'll cross that bridge when we come to it," she said with a shake of her head. "It'll feel better this way."

"Al... Alright," he nodded, following her lead as she slipped him inside her.

Dusk's confused look melted away to one of pure desire, arms clutching at Gleam's wide hips as hers did the same to him, soon snaking her hands over his hips and clutching at his thick and full ass once again.

"F-Fuck..." Gleam grunted, teeth clenched down hard enough to make her jaw sore.

"Y-You want me to go easy?" Dusk asked in a worried tone.

"No... I want you to make me cum," she responded with a furious shake of her head. "Go as hard as you can... don't waste time warming up..."

Dusk did as instructed and geared his hips up for a pounding. Her innards were hot enough to melt him and her pussy was almost too tight to focus on anything else. He felt his own jaw beginning to ache once his teeth clamped down, face buried into his sister's sweaty, mountainous cleavage as he threw everything he had into his thrusts. He felt Gleam bounce of the bed slightly, catching her off-guard as he began to pound her without any kind of warning.

Her hands worked on his ass in more ways than just one, putting as much effort into pulling him forward, trying to push him deeper inside her cunt, as she did with groping him. Her jaw hung open, the tip of her tongue hanging out of her mouth as she screwed her eyes shut, blocking out anything else in the world around her other than the sounds of her brother's cock slamming home into her cunt, and the sound of her brother panting as he brought her the best pleasure she'd felt in a long time.

She felt years of regret begin to pour out of her, all those nights of frustration, the stomach-fulls of anxiety and emotion, and so many fantasies of times just like this with Dusk bleed out of her being. She felt a weight of her chest, as strange as it was, for doing this with her little brother. Cadance was onto something when she said that their relationship was being damaged by their refusal to consummate like this.

Gleam couldn't look at Dusk for very long in person, couldn't bare to be around him because of how his presence made her feel. She was never one for little crushes or being shy. Even when she'd started falling for Cadance, there wasn't a single moment where she'd been afraid or unsure of letting her know about it. She'd spoken to Cadance without so much as a nervous tone in her voice and things had gone perfectly from there.

But with Dusk... something about him made her quiver like a schoolgirl, made her heart thunder in her chest, and formed a knot in her throat so big that it almost hurt to talk with it. She'd hid all of that away for so long, lied to Cadance, lied to Dusk... and lied to herself about what she wanted.

He was what she wanted. She wanted his body pressed against hers, she wanted his taste in her mouth, and she wanted his cock buried as deep in her as it could go. This right here, hearing him pant and moan about how her pussy made him feel, seeing the sweat drip down the small of his back as he tried his hardest just to get her off, and watching his cute, tiny, girly little body man up and give her a pounding the likes of which she hadn't had, even from stallions twice his size was... was something she felt was long overdue.

"I love you," she muttered to her little brother, hugging him into her tits again, nearly smothering the purple heartthrob in her breasts.

"I love you too," Dusk panted, his hands now clapped onto Gleam's ass for all the leverage he needed. "I'm sorry I never told you about this before... I'm... I'm really sorry I made you wait this long."

"D-Don't be sorry..." Gleam said with a pleasured smile. "It... it just made it more worthwhile to... to finally get here, y'know?"

Dusk trembled for a brief moment, his eyes screwing shut for a brief moment as he seemed to be in some kind of turmoil.

"Dusk... Dusk, what's wrong-" she began before being cut off as her little brother nutted up good and proper by forcing her down onto her back. "H-Hey!"

"I love you!" Dusk exclaimed, pinning her underneath his small body as best he could, staring deep into her eyes.

"I said that I don't bottom, Dusk!" Gleam groaned, trying her best to sound mad and failing miserable to keep the pleasure out of her voice.

"Well you're gonna do it for me!" Dusk countered with a shake of his head and a wide smile.

"Y-Yeah?" Gleam grinned confidently. "You think you're some kinda stud, do you? You say you really love me?"

"Of course!" Dusk nodded.

"You gonna be my strong stud?" she giggled.

"Always!" he said, voice dripping with arrogance.

"Then prove it..." Gleam said, an almost sadistic grin spreading onto her beautiful, sweat-slicked face.

She wrapped her legs around Dusk's waist, locking him in place and making it impossible for him to pull out when the time came for him to blow his load.

"Stud your big sister," she finished.

"G-Gleam?" Dusk asked in confusion. "Are... are you sure?"

"More sure of anything," she said, getting pretty damn close to her own orgasm as Dusk's thunderous pounds continued to stir up her insides. "I love you, Dusk... that means something to me... you've always been a part of my life and I always want you to be... and you can't get much more important to me than if you're my husband, right?"

"Gleam..." Dusk purred quietly, seeing the blazing truth in his sister's eyes.

"Breed me, baby..." she whispered to him, gently stroking a strand of sweat-stuck mane out of his gorgeous purple eyes. "Show me you love me."

Dusk groaned louder than ever, that sentence alone lighting a fire in his cock that threw him into overdrive. he squeezed onto Gleam's strong body, pounding her womb with his monster cock in a desperate attempt to push himself over the edge. It wasn't just about cumming anymore, this was a way bigger deal. His big sister wanted a baby, and by every power he had, he was gonna give her one.

Gleam's eyes rolled back into her head as Dusk hip's threw her into orgasm, her cunt clamping down on his cock as her tongue fell out of her mouth good and proper. The sweating stallion wasn't far off his mark either, managing to hold on for another thirty seconds of womb-shattering work before he popped like a champagne bottle.

An orgasm as powerful as a tsunami flooded Dusk's body just as hard as his cum flooded his sister's womb. Streams, thick and hot, poured from the tip of his cock, audibly splashing inside his sister thanks to the sheer power of the spray and enormous volume of thick, sloshing cum he fired. Her womb was filled to the brim in a matter of seconds, but the desperate stallion didn't let up.

He continued to cum, spraying like a fire hydrant into his sibling's deepest reaches, swelling her tight-packed womb out beyond its limits. His body was wracked with shakes and shivers, biting down on his bottom lip hard enough to draw blood and crying out in euphoric bliss as he overfilled his sister's sweet, tight cunt. Gleam recovered from her own orgasm just enough to grab hold of him, clamping her brother down against her body as he impregnated her, filling her womb with the seed that would grow the next branch on their family tree.

"I love you," Dusk muttered into his sister's embrace, hot and sweaty in ways he'd never felt before.

"I love you, too. I love you so much," she squeaked out, kissing him again and sliding her tongue into his mouth. "Don't pull out yet... just... stay with me..."

Dusk nodded quickly, closing his eyes and resting against her soft, warm, and loving body. Even when he finally fired his last few spurts, Dusk made no attempt to move. Nor would Gleam let him should he try. They had nowhere to be, and nowhere they wanted to, except in the other's arms. The sweat soon gave way to exhaustion, and the exhaustion soon gave way to sleep. With quiet yawns and tired shuffling, the two found the most comfortable position against each other, and drifted off into a peaceful, warm, and loving sleep.

Ready to face a new chapter of their lives together in new, beautiful ways...

Afterglow

"D'you not have anything that fits a little better?" Dusk asked, flailing the overly-long sleeves of the silk dressing gown he'd been given around. "Something that doesn't make me look like a ghost with dwarfism?"

"Y'know, I would..." Gleam said with a playful smirk, walking over to her younger brother and gently prodding him in the head with her finger. "But silk's a really thin material... and I like how it sits on your hips, all curvy and smooth..."

"My hips, huh?" Dusk asked, looking down at his front and raising an eyebrow at the small silk mountain that was the gown resting on his flaccid cock.

"Well..." Gleam grinned with an exaggerated shrug. "That looks really nice, too."

"You not want me to just open it and give you a better look?" he asked.

"Normally, I'd say yes, but..." Gleam said, biting her lip with an ungodly lustful expression as she traced her brother's thin waist with her fingers, dragging them over the tied sash that kept the gown closed before watching them curve over his bottom-heavy frame, wide and womanly in the most delicious of ways. "Fuuuuck..."

"I hope this doesn't lead to you thinking I'm just a sex object," Dusk glowered, crossing his arms over his narrow chest.

"Not at all, baby," Gleam smiled, kissing him on the lips before casting her eyes over her shoulder. "You wanna, uh, snuggle on the couch?"

"You in the mood to relax and watch a movie?" Dusk beamed.

"Kind of... I mostly just wanna feel up your ass while you're wearing silk," she grinned in a lecherous fashion. "It's like one of my top non-sexual fetishes."

"Molesting your little brother in a mare's gown is pretty sexual, Gleam," Dusk said with a roll of his eyes.

"Then I guess I'm about to become your sex-pest of a shadow, little brother," Gleam said, giving Dusk a gentle pat on the head. "Alright then, my squeaking little homosexual, what d'you wanna watch?"

"I'm... I'm not bothered, really," Dusk waved away, scratching his neck as he spoke. "I think anything in the background'll be fine. I just wanna spend more time with you."

"Awww, c'mere you!" Gleam exclaimed happily, hoisting Dusk upwards and squeezing him against her chest.

She kissed him passionately, feeling him wrap his legs around her waist and rest his weight on her body, pressing every single inch of his beautiful form against her buxom, nude chest.

"Fuck, I still can't get over how big that thing is," she smirked in regards to his cock.

"You're too kind," Dusk sighed, resting his head on Gleam's shoulder and allowing her to carry him downstairs.

Back in familiar territory and probably still able to see the stains on the couch from his last time with Cadance, Dusk was almost violently-thrown onto the aforementioned three-seater with a skillful shotput-esque heave from Gleam. The little femboy bounced as he hit the sofa, yelping in fear as he flew through the air, before Gleam disappeared into the kitchen.

"Hey!" he snapped angrily.

"But you flew so majestically!" she countered. "You find something to watch from the DVD rack. I'm gonna make some snacks."

"You can't just..." Dusk growled before conceding with another, heftier sigh. "Yes, dear."

"Ooh, I like that already," Gleam sniggered.

Dusk rolled off the couch and hit onto the floor, making his way to the DVD shelf and perusing the titles they had on offer. Gleam and Cadance seemed to either have a lack of taste or a sense of humour, as while there were movies up here that truly changed the face of cinema, there was also no lack of utter dogshit titles that had their greatest achievement be the fact the camera lens was taken off during filming. He hummed a cute little tune to himself as he searched, gently dragging his finger over the plastic cases as he went through the hundreds of volumes.

"Check the shelf right down at the bottom!" Gleam called out.

"Has that got some good choices on it?" he responded.

"No idea!" Gleam shrugged. "I just wanna watch you bend over!"

"Of course," Dusk chuckled, rolling his eyes... and complying all the same.

He kept his heels together, his thighs straight, and leaned his back over, making sure to jut his back end out as far as possible without appearing unnatural to properly show off his big, round, silk-clad ass for his older sister's amusement. A loud wolf-whistle brought a smile to Dusk's face as he returned to searching through the DVDs. Eventually, he came across a shelf full of box sets, ironically enough on the bottom shelf, that he imagined would take up a lot of time. He began looking through them, wanting to see which had the longest run time and, as he often liked, a special feature list that included behind the scenes stuff to really sink his teeth into.

"This one any good?" Dusk asked, holding a box-set of an arachnid-themed superhero over his head and waving it at his sister without looking.

"First one was great, second one is literally the second greatest superhero movies ever made," Gleam listed off. "And the third one was fucking garbage. Great fight scenes, though. CGI still looks good even today."

"Is... is this the same thing again?" Dusk asked, picking up a two-disk box-set he could swear was the same thing but with a slightly different cover art.

"No, that's the first reboot," she answered in a bitter tone. "That was the one where they basically just did everything the first one did but did it all awfully. The actor they got to play the main dude was legit perfect casting from the comics, but the writers fucked him over bad."

"Wait... there was a second reboot?" Dusk asked in confusion. "D'you have that one as well?"

"No," Gleam spat, her voice dripping with venom.

"Yikes... sore spot for you?" Dusk asked.

"You know how I was like... Autistic when it came to comics back in the day?" she asked.

"You mean you're not now?" Dusk jabbed.

"Ha ha, funny..." Gleam sighed, rolling her eyes as she focused on the snacks. "To cut a long story short: I know basically everything about the dude in the spider outfit and how it's supposed to work, and that second reboot fucked everything up about it."

"How bad?" Dusk asked.

"Like 'the main character is supposed to be a superhuman with genius-level intellect in the comics and yet doesn't make his own proper costume, loses every major fight somebody doesn't bail him out of, and can't think of his way out of a wet paper bag' bad," Gleam ranted.

"Sounds shit. Anything else about it piss you off?" Dusk asked his raging dork of a sister.

"Yes. The fact that it's a movie that doesn't know anything about it's main character to the point where they wrote him to be the exact character the dude was invented originally to stand against..." Gleam growled through gritted teeth. "And a bunch of retards that don't read the comics banded together to say that this was the best version of the character to ever exist and there was nobody better than him!"

"So why not go back to reading the comics again?" Dusk asked. "You used to all the time until like... ten years ago."

"Because the comics fucking suck nowadays," Gleam growled. "I stuck through the run from the guy that made him a magic superhero-

Gleam was cut off with a brief muffled sound effect, something similar to having a hand put over her mouth, followed by a familiar voice taking over.

"Gleam, I've heard this a thousand times already," Cadance said in a kind voice that was clearly hiding seething rage. "If I have to hear you go on about your faggoty spider boyfriend one more time, I'm going to drown you at the bottom of the lake."

"I haven't heard it before," Dusk pointed out.

"Well, that's too bad, sweetie, because I'm not listening to it-" Cadance began, walking out of the kitchen with a smug expression on her face before she laid eyes on Dusk.

Her voice died in her throat, eyes wide in shock as the stared at him. Dusk felt a nervous lump form in his throat after a second of silent gawking, only to have that nervousness turned to terror as Cadance clapped her hands to her cheeks and squealed like a fourteen year old girl. She bolted over to him, wrapping her arms around him and nearly tackling him to the floor as she locked him into a bone-crushing hug.

"You look amazing!" she exclaimed, running her fingers through his mane as it hung down to his back, sliding her hands over his small, soft chest, and eventually cracking a hand to his big, bouncing ass as she finished feeling him up. "You need to start wearing mare's clothes more often! You fill them out so well!"

"What?" Dusk exclaimed. "I'm okay, thanks."

"No, no!" Cadance denied. "You and me need to go shopping tomorrow so we can get you some proper mare's jeans. Those nasty slack pants you were don't show you off good enough! D'you also want me to teach you how to start doing eyeliner properly? Because you've got a fucking gorgeous eye colour, and I know just what you need to highlight it and really make it pop!"

"Cadance, I'm not gonna start cross-dressing just because I borrowed your dressing gown," Dusk said with a laugh.

"Oh... but you'd be so beautiful," she pouted, crossing her arms and scrunching her muzzle up at him. "Will you at least consider wearing panties? For me? Just once? We'll obviously have to find some with enough stretch in the fabric for that tree trunk of a cock of yours, but still! It could be done!"

"Leave him alone, Cadance," Gleam chuckled as she walked back into the room with several bowls of popcorn, a few bags of chips, a good amount of two litre bottles of refrigerated soda, and some candy. "He's a person, not a fetish."

"He's my fucking fetish," Cadance giggled, cupping Dusk's cheeks and kissing him passionately on the lips. "Only way he could make my pussy wetter is if he let me watch him get ploughed by some seven-foot steroid junkie of a stallion."

"I'm girly, Cadance, not gay," Dusk blinked in a dry tone.

"Ain't nothing gay about liking dick, sweetie," she shrugged dismissively. "Just means you have taste."

"Anyway, focusing up here," Gleam chuckled, snapping her fingers to get attention back on her. "Cadance, I have to tell you something."

"Wassup, bitch?" Cadance asked, draping herself over her taller wife and burying her face into her neck.

"I'm... well... we're expecting another one now," Gleam admitted after a moment of hesitation.

Cadance leaned back from her wife, looking between her and Dusk with a slightly-surprised look on her face. Dusk's cheeks flushed red as Gleaming's arm wrapped around his shoulder, pulling him close against her body and hugging him tightly. Cadance's look of surprise turned into a warm, glowing smile. Her voice dropped down a few notes, her erratic behaviour vanished, and her playful sluttiness was gone in a moment's notice, replaced with an aura of calm and beauty that Dusk often didn't see in her.

"That's perfect," she said in a warm tone, taking a hand from both of them and holding it lovingly. "I'm hoping this wasn't a simple act of lust that you'll come to regret soon?"

"No," Dusk said with a shake of his head. "I want this... more than I've wanted anything for a long time. I want to love Gleam as much as I can, and I want to be with her for as long as the world will let me. I want to make her happy and give her everything she wants, and... and a foal between the two of us felt like it was the right thing to do to express that."

"Couldn't have said it better myself," Gleam smiled, leaning down and kissing her younger brother, her tone dripping with passion as she squeezed his small frame against hers.

Cadance watched the two of them lovingly embrace one another, seeing Dusk rest his head on Gleaming's shoulder and the elder sibling wrap her arms around her baby brother in a protective, loving shield.

"Present company excluded, of course," Gleam winked at her wife. "I don't think I've ever loved anybody as much as I love you, Dusk. I feel like an idiot for trying to pretend I didn't and feel even stupider for thinking that shoving you away was going to get rid of it. You're... you're everything to me, little brother, and... and this was right, you know? I can't find the words to put it together. But the idea of you standing next to me... and me bouncing your baby on my lap..."

Gleaming chuckled quietly, moving back and staring into her brother's eyes, warm and loving.

"There's not a thing on this planet that feels more right than that, y'know?" she asked.

"Yeah, baby," Dusk nodded. "I know."

"Alright, so..." Cadance said, dragging a finger along Gleaming's horn and doing the same to Dusk as she waltzed over to the couch, sitting down in her usual corner and leaning back comfortable. "What are we all then?"

"I'm kinda thirsty," Gleam said, unscrewing the cap on one of the bottles of soda.

"No, you dork, I mean what are we all as a group?" Cadance chuckled. "Are we a three-way? Is Dusk gonna be honorary? Do we want a ceremony to add him?"

"I don't really wanna put you guys through all that effort," Dusk said with a shake of his head. "And I think it'd just make your marriage look, I dunno... lesser if you added me to it officially."

"I disagree. I think having you would make it stronger," Cadance countered.

"No, I think what Dusk means is that it'd made you and I look like we weren't all that crazy about each other," Gleam cut in. "If we start adding thirds and fourths, it might seem like we don't love each other to the wider public."

"This is why I hate living in a monogamous society," Cadance glowered. "People are too afraid of the world rejecting them to do what makes them truly happy, and this is another stupid one."

"And avoiding launching into another rant about that little subject," Gleam chuckled as she turned to Dusk. "If you're not up for a big ceremony and extravagant wedding... we could always just keep this regular on the down-low, y'know?"

"I am also in agreement with this," Cadance nodded. "I'm not expecting you to move in and start wearing a wedding ring or anything, but if you wanna come over every few days for a quick fuck and to help with the kids, that'd be all I'd need from you."

"So no public dates, then?" Dusk asked in a slightly-downturned voice.

"What? No, no, of course we can still go out and do stuff if you want!" Cadance beamed. "It's just whatever you want, is all. I don't mind."

"Yeah, me either. Dinners, movies, days out," Gleaming shrugged after chugging from the bottle. "Anything you wanna do, I'm game, sex or not."

"That sounds... that sound great," Dusk said with a wide, glowing smile.

"Now, c'mere, you little runt!" Cadance exclaimed, holding her arms out and gesturing for Dusk to lie on top of her. "I wanna feel that ass through the silk!"

"Uh, not before I do," Gleam challenged, snatching Dusk up and pinning him onto the couch, nearly crushing the life out of the poor stallion.

"Gleam, he's got an ass big enough for both of us, remember?" Cadance giggled.

"Thanks," Dusk wheezed out from underneath the near-two-hundred pound mare on top of him.

"Don't mention it, sugar," Cadance winked before violently slapping Gleam on her own bare flank. "Now, move, bitch! His ass is mine!"