“Excuse me, ladies… but I think it’s time I made this a three-player game.”

Rarity didn’t have time to react before the human hooked his hands underneath her armpits. Lifting her away from the tender moment she’d been sharing with her mother. Without saying a word, Anon heaved her up into the air, holding her as casually as if she were some common housecat.

“Y-you… brute!”

The complaint was snappy, automatic. She was quite literally being manhandled. But it was only perfunctory resistance. Rarity knew herself well: she’d been ‘warmed up’ sufficiently, there was nothing she liked better than to be subjected to the control of a stronger, stallion-ly male.

‘His hands… so rough and powerful… and he could throw me around like I was nothing if he chose!’ Rarity bit her lip, a fantasy flashing through her head of the human pinning her head against the wall and rutting her without letting her hooves touch the floor, treating her like a sex toy. ‘Temperance Rarity - we mustn’t let him know we’d let him dominate us if he chose!

Despite his rather unorthodox appearance, the large human definitely fit the bill for a strong stud. She’d never been moved so carelessly, clearly showing the difference between their two species in size and power. If he wanted to - Anon could take her in any way he liked - rutting any of her holes like she was some common whorse. Celestia, that excited her.

“R-release me you… you ass!” She growled - she had to make a good show of resistance. Pageantry was important in these things.

“Your wish is my command…” Anon sighed, dropping her none-too-carefully on top of her mother.

Rarity did her best to hold herself off of the exhausted Cookie, but her hooves slipped on the damp satin sheets... causing the two mares’ bodies to press together, sandwiched on top of one another. Her head slid past Cookie’s left ear, cheek pressing cheek. Cookie attempted a soft welcoming hug from Cookie, her tired post-orgasmic muscles no able to stabilize her daughter’s shortfall. Their two sweaty, furry chests were now smushed against each other… as well as their bellies… - and the area below.

Rarity felt it immediately on her upper pubic bone - a hotspot of sticky wetness that could only be the erectile tissue at the top of her mother’s sex pressing into her. Without even thinking, Rarity shifted upwards, attempting to pull away from the overly-intimate contact… when Anon pressed down with one of his hands, forcefully ensuring that the two squishy pony-pussies would give each other a wet, sloppy kiss.

“Oh… oh! Unffghhh!” Rarity couldn’t help but groan. The hot bulbous bud of her sex was rubbing against that of her mother’s, two stiff clitorises grinding against one another, sticky juices of mother and daughter mixing.

“Now that is a sight.” Anon chuckled from behind them.

Before she could protest, Rarity’s tail was yanked violently upwards, her hairs firmly fixed in the human’s fist. Programmed by millennia of pony evolution, she reacted just like her pony ancestors: her back arched and she winked intensely, sending a clear squirt of her nectar spraying out against Anon - a clear signal to her stud that she was ready to be bred. She threw her head back and let out an embarrassing nicker.

“Fuck, I forgot that you unicorns run hot.” Anon chuckled, before unleashing a hearty spank to Rarity’s left ass-cheek.

Rarity’s eyes shot open at the cracking sound of flesh slapping flesh. That delicate balance of the sharp, stinging pain and the desperate need of her sex was oh so delectable.

“Nice, fat, little ass on you, Rare… you been eating too much of Pinkie’s frosting?”

‘Snipe back! Show him who’s in control - oh Gods my cunt is on fire!’ She knew he was trying to get a rise out of her, was enjoying his little domination-act. ‘Let him,’ she thought ‘he IS doing a good job of it.’

“And what about your mother… she did look like she was pretty thick down there… I wonder if she’s been setting a good example for her daughter?” Anon mused.

Rarity looked down at Cookie, their noses almost touching. Another meaty slap filled the room, making Cookie’s eyes bulge with aroused focus, as she bit her lip to contain her vocal reaction to the powerful spank of her bottom. But this slap was different: not as snappy, more of a thudding thump.

“...Holy fuck Rarity’s mom... your ass is ripped.” Rarity heard Anon whistle softly. “‘Yer all muscle back here! Shit… that’s so fucking sexy.”

Rarity giggled as Cookie, who was blushing ever so cutely at the compliment that she had just received. It made her heart so happy that the human’s compliment had made the older mare feel like the sexy, beautiful pony she truly was.

But she had no chance to whisper her own agreement at the human’s sentiment.

Another meaty thwack filled the room, but she didn’t feel the imprint of a hand against her flank with this one. Instead, this slap was accompanied with the feel of a heavy sausage-like rod against the inner cleft of her buttock, its impact loud enough to quiet the sounds of panting and groaning mares.

Rarity glanced back over her shoulder to confirm her suspicions: resting against her plot... its pink mushroom-topped length more than large enough to poke through her tail hairs and tower proudly over her back... was Anon’s big, fat, stallionhood.

The human shot her a cocky grin, waggling his hips slightly, making the impressive shaft bob with its hefty weight.

‘That damn thing is so… huge! Gods above!’ Her mind was torn between whether she should be scared of the beastly thing… or if she wanted the human to yank her tail harder and ram it deep into her small, tight body. She bit her lip with desire, not caring that the human might see just how desperate she was for him.

“Hmm… hmm… hmm…” Anon feigned musing over a problem, tapping the underside of his chin. “Here’s a sticky pickle…” He gripped the lower part of his shaft so he could direct his throbbingly erect penis, pulling it down across the underside of Rarity’s dock.

“Do I choose the annoyingly snobby piece of ass?” Anon had timed his question to finish just as he drew his fat cockhead across Rarity’s dripping, drooling pink folds.

‘Celestia he’s big!’ Just the feel of that size against her made her tense up with anxiety. ‘How had anypony taken that… girth!?’

“Or…” Anon’s cock dragged down away from Rarity’s snatch, booping her lovebud then sliding off her. “...do I start with her ever-so-fuckable mother?”

Rarity felt Cookie tense up underneath her - a similar reaction to her own. She must now be feeling just how massive the challenge ahead of her was. Cookie’s eyes bulged, her pupils shrinking with shock and fear.

“...Oh...oh b-buck… that’s t-too big…” Cookie’s whispered statement barely reached Rarity’s ears. Rarity bit her lip to avoid chuckling at her poor mother’s trepidation - for somepony with limited experience, Cookie would be surprised that such organ sizes were even possible.

“Eh… why choose?” Anon chuckled... before thrusting forward.

Rarity squealed in surprised - Anon’s fat sausage slid against her swollen clit, mashing it rudely out of the way as it drooled a trail of juicy slickness all the way up to her belly button. His two hands made their way onto the small of her spine - just above the curve of her sumptuous alabaster ass. Pushing down with force - trapping his thick manhood between the sticky fur of Rarity’s belly... and that of her mother’s.

He was using the two of them as the slices of bread for some kind of obscene… cock-sandwich!

And now he was starting to thrust.

She moaned out: her fat, sensitive bulb was being crushed by the imposing thickness of Anon’s cock; her clit grinding against the slick surface of flesh as it pistoned back and forth, powered by strong hips. Each stroke sent out meaty thwacks, as Anon collided against the two plump mare plots with all the force he could muster.

Rarity had never felt anything like this!

Her big blue eyes spun in her head, refusing to respond to any attempts to get them to focus: too much pleasure was roiling through her mind… peaks of ecstasy punctuated by each violent thrusting pop against her ass... jolting her with impact after impact as Rarity and Cookie were pounded from behind.

Her burning nethers spurted hot sloshes of fluid over Anon’s pistoning shaft. It had a mind of its own, gaping and winking... begging to be filled in place of the overstimulating impacts striking directly against her clit.

She could only imagine that her mother was feeling the same pleasure. A quick glance, in between one of the bouncing thrusts, through the haze of her unfocused vision confirmed her suspicion... Cookie’s neck and back were arched off of the bed, her tousled, long, unkempt mane gloriously strewn about, indicative of some serious pleasure-induced head thrashing.

At least, that’s what she thought she had seen.

Rarity’s mind was starting to fizzle - she was having trouble maintaining coherent thoughts - each one popping in and out in an instant before they were washed away in a sea of dopamine. Soon her thoughts were replaced only with the burning need to have more pleasure. More, more, more! Why couldn’t she be bred!? Why couldn’t she have release?

‘C-cock… cock… p-please… fuck… fuck… please… cum… let me… cum!’

Rarity felt her right leg begin to twitch, her twitching hoof kicking involuntarily at the air… Her whole being was now reduced to tension, sweat, and sex. Her body pressed down in wracking agony, driving vainly against the pistoning pleasure-source between herself and her mother.

Receiving both too much pleasure - and not enough at the same time.

A hazy blue glow filled her feral vision - the powerful charge of latent magic building up in the base of her horn, overflow from the chaotic sea of lustful energy boiling in her mind. But it wasn’t just her horn.

The same glow was building in her mother’s magical protrusion, sparks were even flying from it’s tip - each popping fizzle leaving acrid gunpowder trails of scent just off their muzzles.

Rarity’s gasping mouth stretched forward without even thinking - just acting instinctively - wanting to take Cookie’s horn into her... a wanton desire to be filled, to be satisfied, to suck sex- energy to slate her tremendous thirst.

The moment her lips touched her mother’s purple horn, it fired. Sparkling showers of lust-charged magic filled her mouth, energetic little tingles racing through her puffed out cheeks - her mother’s climactic magical explosion down her throat. Cookie came, exploding underneath the sweaty mass of her daughter and a grinding, merciless cock.

As the magic surged into her core - filling her... Rarity felt that final, delicious collapse. The dam of tension, repression, agony… overflowed, cracked, spilled out a torrent of ecstasy. A crashing wave of pleasure raced through her body, cascading out to her extremities with terrifying force, sending spasms out through her nervous system to each of her hooftips… and out the end of her horn, a small chaotic fountain of magical sparkles brightening the room.

“Fuuuuuck! I’m cumminnnnnng!” She announced at the top of her lungs, releasing her mother’s horn from her gullet as she bounced up and down.

Her powerful orgasmic contractions were making her buck harder than an Appleloosan bull. With each plaintive, arching hump of her back, Rarity’s tired marehood winked out with the last of its strength, sending spurting gushes backward to splatter against Anon’s groin and legs.

Her scream trailed off into an exhausted gasp just as the second wave of endorphins hit her… and she was filled with a giddy joy, a sense of total satisfaction...

And just off her nose was her mother, twisting and moaning, mouth open. Rarity felt so… warm… so joyful… it felt… so natural to just…

Rarity covered her mother’s mouth with her own, kissing Cookie deeply.

This was not like any of the innocent kisses the two had shared over so many years - no mere peck on the cheek - this was a kiss of lust and passion... of reeking, raunchy sex. Her tongue pressed against her mother’s, slipping underneath it to explore every hidden crevice and the back of her throat.

“Mmmf...mmf…” Rarity couldn’t tell who was moaning: but it didn’t matter - both of them had become one twisting, writhing, orgasming creature, conjoined in a tangle of sweaty grasping limbs and tongues and dripping orifices.

Slowly, like deep-sea divers coming back to the dim light of the surface, the two mares returned to their senses - their gasping heartbeats slowing... their impossible sensations deadening... feral thoughts calming. The two mares’ eyes met, no longer lost in the senseless abandon of climax… still widening with the continuing thrusts from Anon.

“Mmm…. R-rarity…” Cookie groaned out warmly, ruefully breaking the kiss with her daughter. “H-honey… I-I love you… so much.”

Rarity smiled at her mother, a tear in her eye, her heart filled to bursting.

Lighting her horn, and with the deftest of magic skills, she slid her telekinetic field down her body to take hold of Anon’s penis just as it withdrew on an outstroke. With a little nudge downward, she repositioned the fat human cockhead: lining it up perfectly with her mother’s marehood just as the human drove his hips forward.

“Oh FUCK!” Anon’s cry pierced the room, punctuated by a wetter and louder smack than any before.

But Rarity wasn’t listening to the human - she kept her focus on Cookie’s face.

She watched the mare’s cheeks puff out in exertion - eyes going wide with shock and surprise the moment the giant cock speared into her - the human had hilted her in one solid stroke. Rarity was sure the human had buried himself all the way into her mother’s womb: she could even feel the bulge near her own bellybutton - the terrific length of the ape-like beast was filling her smaller mother entirely.

“Ah ah... Ahhhhhhnnnnn!” Cookie choked, before letting out a plaintive wail, a mixture of surprise, agony, and pure satisfaction. Rarity quickly pressed her cheek against her mother’s, nuzzling and cooing in her ear, trying to calm her… to encourage her to give in…

“Take it, mother… feel it!” She whispered to the trembling older mare. “Take all of that human cock… it’s what you wanted… what you need.”

“F-fuck me, she’s tighter than a fuckin’ schoolhouse foal.” Anon snarled, his vulgarity punctuating the solemn communion of mother and daughter. Rarity could feel his fingers digging into her ass, as he clenched reflexively under what must have been the terrific sensation of Cookie’s powerful, clenching cunt.

“F-fu… muh…” Cookie whispered out, her eyes shut tight and her nostrils flaring. Rarity leaned in closer.

“What was that, mother?”

“F-f-fuck m-me!” Cookie’s impassioned plea barely escaping her gasping lips.

Rarity looked over her shoulder and shot a steely glance at Anon, his face contorted with exquisite pain as he held fast, enduring the tightness of Cookie’s spasming marehood.

“Well? Don’t just stand there and grimace, you savage!”

Anon could only manage a cock of his head in confusion in response to Rarity’s command.

“...fuck her!” Rarity motioned downward at her mother’s plot.

Anon chuckled, shaking his head and digging his fingers even deeper into Rarity’s soft, pillowy ass-cheeks, finding purchase for his renewed thrusting. “This shit is fuckin’ dirtier than the time I cucked Fluttershy’s dad.”

Rarity ignored him, looking back down at her mother as the heavy thrusts began to find their rhythm once again. Each jolting plunge fired tremors through Cookie face, the flush and sweat making her look years younger - like some kind of PornStable.com star…

And she was taking it like a star too: crying out at each resounding smack as Anon hilted in her, crashing his hips into Rarity’s plump rear making Cookie squeak… each slow withdrawal making her mewl with dissatisfaction from being emptied of Anon’s stallionhood.

Rarity waited until she had a good grasp of Anon’s tempo, letting the human find a pace that worked for both Cookie and him. The rhythm of his rutting lent an almost musical quality to the sounds that filled the room. Squelching, obscene drips and sucking sops, fleshy collision of meat on meat, and thudding impacts of what Rarity could only imagine were the human’s great, swinging balls… it was a symphony of flesh!

With the tempo well in hoof, on the next penetration, she made her own contribution. Pressing down against her mother with her hips just as Anon plumbed Cookie’s cervix once again, driving her dripping sex against her mother’s, grinding clit on clit again… except now Cookie was also being absolutely stuffed.

“O-oh… b-b-buuuuuuuck!” Cookie’s wail was immediate, teeth clenching as she was wracked with her third orgasm, and perhaps her most powerful one.

Rarity darted in, hoping to tackle Cookie’s mouth with another deep Prench kiss - but the mare’s chaotic and wild thrashing made it impossible. Even attempting to get near Cookie’s sparkling horn and wildly chomping mouth was dangerous… all she could do was observe and grin… and perhaps regret that she wasn’t the one experiencing that pure euphoria. If her mother’s orgasms were anything like her own, the rhythmic milking ripples of her winking marehood would feel incredible, especially as they squeezed and coaxed such a fat human rod.

“H-holy f-fucking shit…” Rarity felt Anon’s fingers painfully biting into her rear. Still growling, the human slammed forward into a mating press and held himself against the two mares. “I-... I can’t… f-fuuuuuuuuuuck!”

The human was making those tell-tale ejaculatory and violent final short thrusts now… Rarity could feel the gentle throbbing of the cock-shaped bulge in her mother’s belly...

Anon must be depositing his seed inside Cookie, filling that desperate emptiness her. It might just have been her imagination, but Rarity was sure she felt her mother’s fuzzy tummy expanding with what she could only imagine was a copious amount of human spunk.

Anon was really cumming in her mother!

“It’s… s-so much… oh....!” Cookie gasped out, roused from the depths of her overpowering orgasm by the sensation of being entirely crammed with virile human seed.

Sticky, wet splashes of thick, gooey fluids dripping onto her floor made Rarity’s ears flick backward - the human must have stuffed her poor mother so full that he was now overflowing the confines of her sticky snatch.

Her contemplation of just how large a load Anon had released was interrupted, however.

A heavyweight fell onto Rarity’s shoulders, crushing her down against Cookie, as Anon slumped down onto her back, transforming the three into a wet, sweaty, exhausted pile of human and pony limbs… all basking in the beautiful afterglow of sexual exhaustion.

“Ooof…” The air was driven from Rarity’s lungs as the far larger male lay atop her.

She would have complained, but the whole thing was strangely comfortable - being sandwiched between the surprisingly sexually-skilled human, and her beloved mother.

Especially her mother.

Perhaps it was just the flood of oxycontin, the warmth of her afterglow, but being snuggled in so close with Cookie, for the first time in years... and in such a setting - never before so close… it just felt… right.

Rarity nuzzled the dopily grinning Cookie, rubbing her nose against her mother’s left ear, playfully teasing her. “Well, mother… I hope you got what you were hoping for.”

Cookie giggled, nodding slightly before returning the nuzzle to her daughter. “Mmhm… that… that was incredible! I wonder if… next time-”

“Next time!?” Rarity’s jaw dropped.

“-yes… I mean… we’re all so close now that we’re living in Ponyville, how could I not?” She chuckled. “But I was wondering… if I could try that stuff all the other mothers were ranting about… y-you know… b-butt stuff?”

“Mother!”

“Fuck yes we can.” Anon groaned happily, still resting limply on top of Rarity.

“Anon! Hush!” Rarity groaned, frustrated that she’d gone through all of this… putting up with this sexual odyssey… gaining a new human fetish… and a new mother fetish... just to seemingly arrive back where she’d started: her mother still wanted to try daring sexual activities with this impious man!

“Oh, you’re perfectly welcome to come too dear.” Cookie smiled. “I… I loved doing this… with you.. Especially with you.” Cookie licked a small smear of some unspeakable fluid from her daughter’s snout. “I’m so proud of you, Rarity… you’re so sophisticated… so mature… so sexy…”

Rarity found herself speechless, any reply snuffed right out. The affection she was feeling from her mother was so complete in that moment - the love of a mother, a mare… a lover. All she could do was blush.

What a perfect moment.

“Fuck me your family is into some kinky incest shit Rares.” Of course he would interrupt. “Shit, why don’t we make this a family affair, get that little sister of yours to come along next time - teach her a little sex-ed?”

Both Rarity and Cookie’s faces darkened immediately, frowns and furrowed eyebrows marring their once pacific faces growls as they reacted to Anon’s joke.

“Absolutely not.” Cookie growled, fire in her voice.

“Anon if you don’t stay a hoofball field’s length away from Sweetie Belle at all times, I will personally geld you.” Rarity snapped her teeth together menacingly, the click of molars making Anon shiver. “Don’t even joke about that, she will never participate in anything even like this-”

Rarity’s closet suddenly burst open, a certain cream-colored unicorn teen falling flat on her face in the middle of the room.

“Awww, but why not!? You and mom always get to do all this fun family bonding - plus Applebloom says family-sex stuff is really fun!”

Nopony moved.

Rarity and Cookie simply stared at the filly, who had obviously snuck into the room before all three had entered, their mouths hanging open as they realized the depravity of the show that they had just given the precocious filly.

Neither had any idea what to do or say - how to react.

Anon helped out with that. Sort of.

“Fuck this shit! I ain’t going to jail!” The human sprang to his feet, twisting away. Rarity heard the disgusting *schlorp* as he pulled out from Cookie and saw the poor mare wince as the fat semi-erect sausage popped out of her with a gushing torrent of semen in its wake.

“W-woah… th-that r-really is big Mr. Anon…” Sweetie exclaimed, covering her blushing face.

Anon’s ten-inch, half-soft schlong was bouncing just a couple of hoof-lengths from her face, dripping globs of thick cum, as well as clear transparent strands of marejuice fresh from her mother and sister’s pussies.

“Oh shit, oh shit, oh SHIT!” Anon looked around the room in a panic, grabbing his pants. “Do you guys have a pony-Chris Hansen? Was this all a fuckin’ setup? I can’t go to Tartarus, those supervillains will stretch my ass more than Discord stretches Yellowshy!”

With a final panicked shout, the human dove at Rarity’s bay window, shattering the glass as he fell from the second story, covered in glass, half-naked, covered in sex-juices, with his penis hanging out.

All in all… not that unusual for the human.

The three ponies left behind were still mute, locked in a state of shocked silence, nopony quite knowing what to say next. Rarity and Cookie slowly looked back from the broken window to the teenage filly, mouths still agape.

“F-f-family hug?” Sweetie offered.

END

Author's Note

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And that concludes the fic!

I really had a fun time writing this one. I started out with only mild interest in Cookie, who really doesn't have a lot of canonical story attributed to her... a real tabula rasa... but she grew on me like CRAZY... a very cute mare, indeed!

I really hope you enjoyed, and if you can leave a comment it would mean a lot to me. In particular, let me know:

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