Sexual Escapades of a Loneling

“I can’t believe I did that…” Sweet Mercy mumbled, before swallowing another dose of mouthwash.

“Really?” Vigilance quirked an eyebrow, watching his partner spit in the sink. “This is not the first time you’ve had ‘fun’ with a suspect.” He sat on his haunches and leaned on the bathroom door, taking a quick peek at the latch to make sure it was locked. He didn’t want anyone to barge in and find the two of them alone, with her partner’s mouth stinking of semen. “Although usually you wait for me to get out...”

“*Pthu* Oh wow, I just can’t take the taste out of my mouth.” The mare glanced at the mirror over the sink, examining her reflection, looking for any stray gooey strands on her fur. There were none. Nothing had spilled from her mouth; an impressive feat considering Loneling’s productivity. “I can’t believe I managed to swallow it all…”

“Wait, that’s what you were referring to?!” Vigilance groaned, banging the back of his head on the door. “By Celestia’s mane, you do realize that Princess Twilight saw you, right?”

“Yeah that’s pretty bad.” Sweet Mercy said calmly. She exhaled into her hoof, sniffing to make sure her breath didn’t stink anymore. “A cute prissy Princess, catching me in the act, seeing me with his thing in my mouth…” She hummed, licking her lips. “Watching my cheeks bulge, her eyes following each gulp of his thick delicious...”

“Mercy!” Vigilance clapped his forehooves together, catching her attention. “Focus. Leave the fantasies for later, right now we have to get you out of trouble.”

“Aaaw, what’s the matter?” Sweet Mercy turned to the younger stallion, smirking. “Afraid you gonna lose your partner?”

“Yes.” Vigilance said seriously. “I don’t want you to get fired over this.”

“That’s sweet.” Mercy smiled more genuinely, before chuckling. “But don’t worry your cute lil’ head boy, I’ll be fine.”

“Right.” Vigilance exhaled, crossing his forelegs. “What’s your excuse this time?”

“Simple.” Mercy sat on her ass, then raised her forehooves in front of her, like she was holding an invisible box. “Pheromones.”

“Pheromones?”

“Pheromones.”

“Pheromones…” Vigilance sighed, looking at his grinning partner with a jaded expression. “So what do we put in the report? ‘Suspect released unknown airborne substance, causing agent Sweet Mercy to lose control over her sexual desires after prolonged exposure’?”

“Well you’re the expert on reports; I’m just the terrain mare.” Mercy chuckled, before burping loudly. Her eyes fluttered, her nostrils flaring. “Oh sweet Luna…” She shook her head, fanning herself with a hoof, trying not to sniff any more of the pungent scent.

“Lovely.” Vigilance winced, the smell of spunk reaching him.

“Hey, that’s nothing.” Mercy flapped her wings, dispersing the stench. “You should have tasted it coming down!”

“That’s disgusting Mercy.” Vigilance sighed.

“Don’t be jealous, yours is pretty nice too.” Mercy wiggled her eyebrows.

“You promised never to speak of it again.” Vigilance frowned, trying not to think about his fist week with Mercy as a partner.

“Aaw come on, we had fun!” She licked her lips, making him shudder. “So young, so innocent; how could I have resisted?”

“Me and my big mouth…” At the time he had thought that telling Mercy he was a virgin would make her less insistent, but the older mare had taken it as a challenge.

“Not the only thing big about you.” Mercy purred. “Not as big as our changeling friend, but it’s passable.”

“I really wish you weren’t my partner…” Vigilance sighed.

“You’re a bad liar.” Sweet Mercy sing-songed. She laughed when Vigilance pouted, looking away. “You’re so grumpy now, the last time we did the deed you were so cute!”

“Glad that was a long time ago.” Vigilance snorted. He glanced up, looking at the clock above the door. “Now let’s just get out of here before somepony finds us. I don’t want to start any rumors…”

As if the universe was hell-bent on making him suffer the doorknob suddenly turned, the door rattling. Vigilance eeped and jumped away, his heart trying to escape through his ribcage. Mercy chuckled as the stallion scrambled to hide behind her:; she was glad he was still a timid little colt at heart. Her ears perked up when someone started knocking on the door hesitantly. Vigilance held his breath, hiding under Mercy’s tail. If they didn’t make a noise they should be oka…

“OY! PISS OFF!” Mercy shouted at the door. “We’re having a moment here!”

Vigilance jumped in fright, then yanked on her tail, trying to make her shut up. He tried not to panic, hoping they were lucky and whoever was on the other side of the door hadn’t recognized her voice. It would be okay, it would be okay…

“Sweet Mercy? Is that you?” Oh sweet Celestia it was the Police Chief.

“Yes! And I’m busy, so scram!” Mercy barked, unperturbed. Vigilance tried to tackle her to the ground, but the mare didn’t budge as he jumped on her back. Mercy quirked an eyebrow as the burly stallion’s weight fell over her, then smiled when his hooves scrambled to reach her muzzle. She chuckled. “I’m dealing with a naughty colt*Mmft*”

With Vigilance holding her jaw shut she glanced back at him playfully, looking into his panicked eyes with a sultry gaze. She wiggled her eyebrows suggestively and slapped her tail on his belly. The stallion froze, realizing that in his haste he had just basically mounted Mercy. To make things worse, the perverted mare was much too happy about it. He released her mouth when she licked the inside of his hoof.

“Are you harassing that poor partner of yours again?” The chief said, exasperated.

“Of course not!” She wiggled her ample rump, rubbing her nethers on his groin, making Vigilance squeak loudly. He tried to jump back but the mare wouldn’t have any of it. Mercy grabbed his forelegs with her strong dexterous wings, pinning them against her sides, holding him in place. “He’s just giving me a back massage.”

Vigilance tried to think of anything else but the fact that his barrel was resting on top of a beautiful mare’s plump backside. He had managed to squirm back, almost dismounting, but Mercy’s powerful wings had immobilized him with his hooves curled around her flanks. He was a strong stallion, muscles rippling under his brown coat, but he knew by experience that she was stronger. So he didn’t struggle, he just thought of the most unsexy things he could imagine.

“Lieutenant we talked about this!” the chief tried to open the door forcefully, shattering Vigilance’s concentration. “You already attended every sexual-harassment seminar in Equestria! I’ve been lenient given your ‘condition’, but if you can’t control yourself…”

“Want me to come after you instead?” Mercy challenged, her voice sensual. Her tail started to caress Vigilance’s underside, making his breath hitch. “I like mature stallions too!”

“…” The chief hesitated, then grumbled. “Just don’t break him like your last assistant, he’s still afraid of mares the poor stallion.” He then trotted away, the clopping of his hooves hurried, before shouting at the door. “And get back to work!”

“You heard that?” Mercy murmured, her tail teasing his quivering sheath. “Better make this one a quickie.”

“Let me go Mercy…” Vigilance said desperately. He could feel his length growing, spurred by her soft hazel tail. “You promised… You said you wouldn’t mess with me again…”

“You started it, rubbing yourself all over me.” Mercy curled her tail around his shaft, bringing his cock to full mast. “Not fair to tease a mare like that.”

“I didn’t want to…” He gasped, his tip brushing against her nethers. “Mercy I…”

“You’re such a good little boy all the time,” Mercy flexed her wings, pulling him closer. “You’ve got to learn to have fun from time to time.” She purred as his cock parted her lips, just shy of sinking into her.

Vigilance breathed hard, feeling his hardness welcomed into her soft folds. Her honey pot was quickly becoming slippery, her arousal trickling on the underside of his cock. His eyes widened when she started winking, her pussy kissing his blunt head, begging him to thrust inside. He could hear the obscene wet sounds as her lips curled around his cock, the suction sending pleasurable spikes down his length. He resisted as long as he could, but his body could only take so much.

Mercy felt his will crumble, so she slapped her tail on Vigilance’s ribcage. His hips jerked, instinctually seeking her warmth and his head popped into her. Mercy moaned loudly, making him snort in excitement, but Vigilance resisted the urge to hump into her. He closed his eyes, panting, trying not to enjoy her velvety walls. His mind battled his instincts and he managed to hold still, even when Mercy started to wiggle her rump.

“C’mon, you need this as much as I do.” Mercy whispered sensually. She could feel his cock quivering at her entrance. “Just fill me up real quick!”

“No,” Vigilance panted, his gaze determined. “I don’t want this. This is not making love...”

“Damn right.” She whipped her tail across his side again. “This is just plain old sex, now shut up and screw me!”

“We are not animals.” Vigilance was slowly regaining control over his body, even if his cock was still flexing in need. “This sort of thing should be between two ponies that love each oth…”

“Just imagine I’m Princess Twilight.” Mercy interrupted, getting frustrated. Her cunt was spasming like crazy around his flare, but he still resisted. She smiled when she felt him tense up; she knew she had struck a nerve. “Come one, close your eyes and just dream about that sexy purple alicorn. You heard Loneling, she was interested in you.”

“Somewhat…” Vigilance tried not to think about the mare of his dreams, but he couldn’t stop a feeble hump, sinking a little deeper.

“Yes that’s it.” Mercy spread her hind legs, licking her lips. “You know you want to.”

“I don’t!” Vigilance said weakly. “If you weren’t holding me…”

“Okay then.” Mercy folded her wings, releasing her grip on the stallion. She looked back, smiling sweetly. “You’re free.”

“Uh?” Vigilance was shocked, not excepting this.

“If you don’t want a good ride I’ll just have fun with Loneling, you can get off of me.” Mercy said simply. She turned to the door and took a step away, but the stallion’s hooves grabbed her, keeping her close. She smirked, knowing she had him. She put on an innocent mask, then shot Vigilance a surprised glance. “What are you doing?” She asked with false concern, her voice imitating Twilight’s tone.

“I… I can’t….” Vigilance panted, his mind drowning in lust. He gave another weak hump, his barrel sliding over Mercy’s soft behind, bringing his hips closer to her rump.

“Shhh, look at me.” She said calmly, holding his gaze with her own, making him stare into her deep purple irises. The same color as a certain alicorn. “Try to calm down. You aren’t going to force yourself on your Princess, are you?” She gasped with mock surprise as he humped harder. “Mister Vigilance, you can’t do this!” She whispered in a perfect imitation of Twilight’s voice. She whimpered when the stallion heaved, shuffling his body over hers, his hooves digging into her ribcage. “You’re so big, I don’t know if I can take all of you!” She said, acting scared.

The stallion snorted and threw his hips forward, sinking his cock properly into Mercy’s soaked pussy. She couldn’t stop a genuine moan from escaping her mouth when his medial ring plunged through her lips, scrapping against her clit. Vigilance’s eyes widened when he heard her, regaining his senses. They stared at each other, Mercy with a smug grin, him with a bewildered expression.

“I hate you so much right now…” Vigilance whispered, his flanks quivering.

“Well you better punish me then.” Mercy said in her own sultry voice. She tried to step away, pretending to escape, but his hooves gripped harder, almost painfully. She had him. She planted her hooves, bracing herself, knowing what was about to happen.

Vigilance snarled and lunged at her, humping and bringing her closer at the same time. Mercy laughed in triumph as their hips collided, his cock ramming into her oozing pussy to the hilt. Her walls rippled around his shaft, trying to draw him deeper, but his length stopped short of her deepest barrier. Vigilance drew his hips back and quickly rammed back inside, his short but powerful thrust making her hooves slide on the smooth tiles. She just had the time to find her footing again when the stallion gave her another rough hump, then another, and another.

Vigilance was seeing red, furious about being toyed with so easily. He tried to stop his body with all his might, but it just felt too good. Her insides were so soft and warm, hugging his hard length snuggly. He pushed all the pleasure and desire away, focusing on one idea: he was better than this. With a snort he hilted one more time, his cock spurting a stream of precum, then he remained still.

Mercy was in heaven; the fact that the stallion mounting her was her partner, the goody two shoes that had rebuffed her offer for friendship with benefits, only made it better. Her only regret was that although he was bigger than average, his cock wasn’t long enough to fill her completely. But she knew one changeling who would satisfy that itch later. She was wondering if she could get Vigilance and Loneling at the same time when the stallion gave a powerful thrust, showering her cervix in precum, then stopped.

She growled when Vigilance started to shuffle back, slowly taking his wonderful cock away. She looked back, frowning at his determined expression. He had grown a back bone after being with her for so long, but she refused to let him win this round. She shivered when his cock slipped from her cunt, a gush of precum and feminine arousal splashing on the ground. She stayed unmoving as the stallion huffed and puffed, finally managing to dismount.

Vigilance grinned when his forehooves touched the ground, ignoring his cock beating against his barrel in protest. He was about to step away when Mercy’s tail slapped his muzzle, the hairs dripping with the mixed scent of an aroused stallion and a receptive mare. He inhaled sharply, choking on the heavy perfume. He shot an irritated glance at his partner, their eyes meeting once again. She smiled invitingly, shaking her rump. He breathed harder, the heavy smells assaulting his mind, his hooves kicking in place. He felt a splash of liquid on his chest and looked down. Mercy’s slit was winking like crazy, squirting her juices, letting him see her oozing insides. His legs flexed, his body clamoring for him to mount the willing mare, but he resisted. He closed his eyes, concentrating.

“I bet she likes it rough.”

Mercy’s voice sliced through his meditation, but he didn’t open his eyes. He ignored the wet sounds of her winking pussy, breathing through his mouth to avoid her heated scent.

“And I know you like it that way.”

Vigilance remained stoic as her tail teased his neck, but his will was dwindling.

“Yes, I know that’s what you want.” Mercy purred. “You like to pretend you are nice and kind, but deep down you’re a beast.”

Mercy arched her back and bent her forelegs, lowering her front and raising her ass.

“So you want to dominate a mare?” She hissed. “Well I don’t think you have the balls.”

Vigilance felt a shapely rear collide with his chest and he reared up without thought. When he opened his eyes in a panic it was too late, his barrel already sliding over her posterior. He glared angrily at his partner, but when he saw her there, hunched under him, her ass raised and head down in a position of total subjugation, his mind went blank with lust. Whinnying he humped into her, hilting instantly, before carelessly shoving his hooves on her back. Mercy cried out in pleasure as the enraged stallion pressed her to the floor, like he was trying to crush her, her cheeks flat against the cold tiles. Vigilance had decided that she was his, he would take her just the way he wanted. Mercy gritted her teeth, waiting for him to get started, but she still yelped when the first mighty thrust rocked her body.

Vigilance snorted, not thinking about anything else but pounding his mare into the ground. He humped without care for her well being, his hips slapping on her rump with brutal force. He grinned when she started squealing with each thrust, and picked up the pace. His cock surged in and out of her cunt with unrelenting power, dragging his medial ring over her clit everytime, sending her into a mind shattering orgasm. Mercy’s eyes rolled into the back of her head, her body going completely limp.

But Vigilance was not done. On the contrary he just humped harder. Every thrust rocked Mercy’s backside, her back hooves leaving the ground as he pounded into her without mercy. With her ass raised and back arched his cock dug deeper and deeper, until he finally managed to reach her depths. The stallion threw his head back as his growing flare impacted with Mercy’s cervix, and the mare regained consciousness just in time to feel his flare stretch her deeper than he had ever gone. She felt his balls collide with her belly, heard him grunt and winced when he pounded her pussy one last time. She felt his flare kissing her cervix, slowly prying it open. Her walls sensed when his shaft bulged with a rush of spunk. She smiled, contracting her cunt around his spasming cock.

“Fill me up.” She ordered.

Vigilance’s semen exploded into her womb without restraint, painting her insides with his colors and scent. The gush was long and heavy, making Mercy’s continuous orgasm soar. The stallion then withdrew his length, before quickly plunging back to shoot another strand of thick spunk. He pounded harder and harder five more times, Mercy moaning as she felt her womb slosh with his cum. The stallion then collapsed on top of his mate, shooting one last jet of potent seed as he went down. The two of them stayed in the awkward position, Vigilance doing his best to stay hilted, his shaft pulsing weakly. After the last aftershocks his flare subsided, letting her cervix seal his spunk inside her womb.

Mercy chuckled as her partner panted on her back, Vigilance sliding down until his muzzle was pressed on her neck. He sneezed when her mane tickled his nostrils, his cock jerking with his body. The two ponies took the time to regain their strengths, the stallion’s soft shaft remaining inside his mate. Vigilance was about to try and dismount when the doorknob rattled again. They both froze, looking at the door. The door shook with a strong shove, but the bolt held. Whoever was on the other side seemed to give up. They both breathed a sigh of relief.

The latch suddenly started glowing green, then with a sharp metallic *click* it snapped open. Vigilance eeped and hugged Sweet Mercy tightly, knowing that they were about to get busted. The mare tried to shove the scared stallion from her back, but it was too late. The bathroom door swung open, bathing them with the bright corridor light. A shadow stepped through the glare, slowly entering the bathroom, revealing itself to be… Another Sweet Mercy.

The two interconnected ponies stared with wide eyes as the azure mare looked at them with a deadpan gaze, before she stepped into the room fully. The second Mercy then closed the door, locked it, then trotted towards them. There was something in her expression that was familiar to the Mercy on the ground. Suddenly it clicked.

“Loneling?” Mercy asked, incredulous. She flinched when her replica was consumed with green fire.

“Correct.” Loneling said, stopping just in front of the still linked ponies. He sniffed them curiously.

“How did you get out of your cell?” Mercy tried to extricate herself from Vigilance, but the stallion was still frozen in place, mortified.

“Picked the lock with my magic.” Loneling said simply. “Getting out was far too easy, I recommend looking over your prisoner containment procedures.” He stared at Vigilance’s embarrassed face with a strange intensity. The stallion gulped and started to move back, only to stop dead when the changeling hissed quietly, his black body tensing up like a cat about to pounce.

“Oy, what are you doing?” Mercy snapped, quirking an eyebrow at the changeling’s strange behavior.

“Oh… Sorry.” Loneling shook his head, regaining his stony expression. “Territorial instincts.” He shot Vigilance a quick glance, his wings buzzing furiously for a few instants, before looking back at Mercy. “A changeling doesn’t take kindly when his female is taken from him.”

“Say what?” Mercy asked, incredulously. She heaved with her powerful forelegs, standing up with Vigilance holding on to her back like a monkey. “Your female?” She tried to buck Vigilance off, but the stallion held on, intimidated by the changeling’s strange behavior.

“Yes. I felt something happen to you, so I came to investigate.” Loneling’s horn ignited, his magic grabbing hold of a squeaking Vigilance. “Let me help you with that.”

Vigilance was carefully levitated from Mercy’s back, the stallion gasping when his limp cock slipped from her slit with a messy deluge of mixed fluids. He was then slowly lowered to the ground, away from his partner. He scrambled to hide himself as soon as he touched the bathroom tiles. Satisfied, Loneling went around Mercy, the mare looking at him with a frown.

“Oy, don’t avoid the question. What do you mean by that?” She flapped her wings, trying to give the changeling slinking by her side an angry slap. He quickly ducked, dodging her feathers. “Since when am I yours?”

“Right now you aren’t.” He dodged another slap, moving with feline grace. “Something I must rectify.” Loneling prowled to her backside, quickly sniffing her dripping slit. His tongue darted out, collecting a sample of mixed fluids.

“What the hay are you doing?!” Mercy jumped away, rounding on the changeling.

“Analyzing. Making sure.” He answered. “And results are conclusive.” He looked at her with an almost imperceptible frown. “You allowed yourself to be inseminated when you are entering your estrous cycle.”

“You are?!” Vigilance cried, his head popping out of one of the open bathroom stalls. “Mercy what the hay! You didn’t tell me to pull out!”

“No I’m not!” She hissed, looking between the two males. “I took my medication, do I smell like I’m in season?”

“Pheromones.” Loneling said, a small hint of irritation bleeding into his voice. “I told you they would make your body follow your basic reproductive instincts. Stronger than your silly medicine.”

“Oh horse apples…” Mercy looked between her legs, some of Vigilance’s thick seed still dripping from her pussy. “That dummy spurted a lot inside…”

“This is a problem.” Loneling’s wings buzzed with agitation as he tried to go around her again. Mercy matched his motion, keeping a curious eye on the changeling. “If I am to fill you with my eggs, you being impregnated by a pony would be dangerous for my brood, so I will wash his inferior seed out and oviposit you right now, yes?” The changeling said with a dash of urgency, his transparent shaft starting to emerge.

“Try it and I’ll tear your cock off and beat you silly with it.” Mercy growled half seriously. The two of them circled each other, waltzing around the center of the room.

“I doubt it.” Loneling kept a straight face, his intense gaze never leaving his target.

“I’ve been a cop my whole life, I can take you.” Mercy purred, aroused by the changeling’s confidence. It was a far cry from the way pony stallions usually responded to her threats. The way they were revolving around each other was almost like a sensual and aggressive square dance. She loved it.

“I was part of the army that took over your capital.” Loneling suddenly rushed her, his impatience getting the better of him, his basic military training enough to make him a dangerous foe. But Mercy kept her distance, dancing away gracefully, flapping her powerful wings to out maneuver the darting changeling. He lunged, quick and sharp. She evaded, smooth and elegant. She chuckled at the change of tempo; if the changeling wanted to tango, she was game. After a few frantic moments of furious pursuit, Loneling shook his head, calming down. He returned to his slow methodic circling.

“If I remember correctly you got your flanks kicked under an hour back in Canterlot.” Mercy snorted, enjoying the waltz again. The mare was giddy inside, this was so exciting! “You don’t scare me lil’ guy.”

“But you do not wish to carry his foals, correct?” Loneling said, his wings buzzing in agitation.

“I don’t want your eggs either buddy.” Mercy lied, keeping a straight face.

“Then I will only use my seminal fluids.” Loneling pressed, his wings almost taking him airborne. “You don’t wish to carry his offspring, and neither do I.”

“Hey…” Mercy tilted her head, realizing something. A grin spread on her muzzle, her wings fluffing on her back with glee. “Is this your twisted way of saying you are jealous?”

“I am just looking out for your best interests.” Loneling said, a small inflection of emotion making his voice reverberate.

“Oh my Luna you are jealous! That’s so cute!” Mercy gushed, grinning from ear to ear. She laughed when the changeling lunged at her again, wings buzzing loudly. She side stepped, dodging out of the way, but her hoof slipped on one of the strands of slime dripping from her nethers. She fell on her side with a *hoof* and before she could stand up Loneling was towering over her. She snorted with humor at his intense deadpan stare. “So that’s what you look like when you are pissed, uh?”

“It is only natural to wish to eliminate the competition when there are two males for one female.” Loneling stepped over Mercy’s prone body, careful not to tread on her limbs. “I am being very civil by not attacking the other party directly.” The changeling shot Vigilance a light frown, the equivalent of a death glare for him. The stallion smiled sheepishly, before ducking back into his stall, wondering what he had done in a previous life to deserve all of this.

“Oy!” Mercy grabbed Loneling’s head as it came over hers, making him look at her. “I didn’t promise you anything you clingy bugger.” She left one hoof on his cheek, the other grasping his ovipositor. She stroked his cock slowly, helping it grow hard, the length hovering between their bellies. “I told you I would think about it…”

“And then you drank my semen.” Loneling stared into Mercy’s purple eyes, enjoying her gentle massage. “I thought it was your way of saying you were interested.”

“I am interested you dolt.” She breathed. Her hoof ran all over his length, her nethers burning at the idea that this huge shaft was going to be inside her momentarily. “But let’s get this straight right now, you don’t own me.” She stroked him harder, her heart beating faster. “You will never be enough, I am a mare with special needs…”

“You suffer from a severe case of hypersexuality personality disorder.” Loneling deadpanned. He pressed his ovipositor on her belly, his lube running freely on her coat. “More commonly known as nymphomania or sex addiction. I could tell since I first sensed you.”

“… Are you sure you’re not a shrink already?” She grumbled with a small blush.

“I have been trying to tell you that I can help you with your issue since the start.” Loneling murmured gently. “I can match all your needs and easily surpass them.” He punctuated his claim by spurting a thick jet of precum on her belly, before smearing it all over her fur, furtively marking her. “I can be anything you want, fulfill your most depraved fantasies.”

“I highly doubt that, you’re way too gentle for me.” Mercy chuckled. In truth his normal impassive nature made her swoon, but she wanted to test his commitment. “I like them more aggressive, I like it rough, I need a beast to satisfy me. Can you do that my little ling?” She grinned confidently, wondering if the soft spoken changeling could actually be anything else but gentle.

“A demonstration then.” Loneling said, concentrating.

His horn flashed and he was consumed with green fire, making Mercy cry out and protect her face with her hooves. But the magical flames didn’t burn, it wasn't even warm. Mercy opened her eyes gingerly and she found herself confronted with terrifying sight. She was nose to nose with a huge black wolf, his fur bristling angrily, muscles rippling under his pelt. His predator eyes were focused on her, slobber falling on her muzzle, dripping from his maw full of dangerous fangs. The sight of the deadly looking beast pining her down made her heart race, her breath stopping when the enormous animal licked its lips, apparently deciding how to eat her. The wolf then spoke in a deep rumble

“I can match and go beyond all you ever dreamed of.” His low voice echoed in her chest, his savage breath washing over her snout. “I was trained to please a mare much more insatiable than you.” He pressed his enormous cock on her stomach, making her squirm. “If you need a beast, I will become one.”

“Not bad… A little literal but I’m not complaining.” Mercy panted, her hooves grabbing Loneling’s new equipment. She examined the veiny surface, so different from his smooth ovipositor. His head was tapered, his shaft widening and contracting until she reached the fat protuberance at its base. She played around with the canine knot, wondering what is would feel like when it expanded inside her. “And then what? You fill me with your eggs and you go on to the next mare?”

“I will stay with you if you wish me to.” Loneling rumbled, completely truthful.

“That’s a big commitment.” Mercy smirked, hugging his cock to her body, making him lie down on top of her. “Why would you do that?” They were muzzle to muzzle, she could see her own flushed face reflected in his yellow irises. She felt his thick scruffy fur all over her belly, coarse and unkempt. A true animal.

“Because pleasing mares is what I do.” Loneling thrust his hips, grinding his length between their bodies. “Because I can help you with your needs.” He licked her cheeks, his fat canine tongue brushing her fur back. “And because you are like her.”

“'Her'?” Mercy breathed, her nethers burning more than ever. “Who's 'her'?”

“Your mind, it’s so depraved and lewd, just like Mother’s. I didn’t think I would ever find a pony that could match my Queen, but here you are.” Loneling brought his fanged muzzle down, sniffing her jaw. “When you were playing with my ovipositor, your desire was so delectable and nourishing, it was truly addicting. I want to feed off you forever.” He nibbled at the base of her neck, enjoying feeling the racing heartbeat under her coat. “I am used to sharing my mates, I have never been protective of a female before; but you are so delicious…”

“That’s all I needed…” Mercy mumbled. “A changeling obsessed with me...” She pushed on his great bulk, barely managing to push him away. Loneling sat back obediently, panting like a dog, his massive red cock quivering on top of her belly. “Okay you little creep, that’s how it’s going to be,” she propped herself on her elbows, staring at the beast sitting between her legs. “show me a good time, make sure I don’t get knocked up by Vigie and we’ll talk about eggs later.”

“Will you become my personal broodmare?” Loneling panted, eyes shining with desire.

“Uuuh…” Mercy quirked an eyebrow, looking at the changeling carefully. “Is that your own special way of asking me out?”

“No, I’m asking if you will let me share your life.” Loneling tilted his head. “Why would I want you to go out?”

“You are one weird little bugger, let me tell you…” Mercy smirked. “But that might be perfect for me.”

“So you agree?” Loneling growled in anticipation, grinding his cock on her nethers, precum flowing continually from his pointed head.

“Maybe.” Mercy chuckled at his impatience. “I’m not going to tie the knot with a changeling I just met.” She looked at his red veiny shaft. “And speaking of knots, are you going to screw me or what?”

“I have to warn you, when I transform I naturally take some of my new form’s instincts to better blend in.” Loneling shuffled back, his front paws grabbing her flanks awkwardly. “I may become a little violent.”

“Oh, you sweet talker you.” Mercy’s breathing accelerated, watching the massive cock glide back over her small teats, leaving a sticky trail behind.

Loneling scooted his hips backwards until his tapered head was level with Mercy’s sopping slit. She groaned with desire, opening her legs wide to welcome the huge intruder into her sopping folds. The changeling shifted, carefully taking aim, then gave a feeble hump. He whined softly as his pointed head sank into her slit, before hunching over his mate and taking a dominating position over her. He looked into Mercy’s wide eyes, growled dangerously, and he lunged forward.

Mercy screamed in pleasure, the monstrous cock bringing her to an instant orgasm. And that was with only with a small portion sinking inside. She could feel Loneling thrusting fervently into her, never stopping his shallow humps as he squirted precum constantly, her pussy quickly becoming an oozing mess. The bestial shaft gradually traveled further into her, the changeling’s hips shuffling closer with each animalistic shove and soon enough her behind was lifted from the ground. Loneling was supporting her weight with his shaft alone, Mercy helping him by closing her thighs around his hips. His mind was slowly losing itself to the wolf instincts and his ear twitched when he heard a soft whimper. He looked away from his euphoric mate, his gaze finding a horrified Vigilance, his head poking from the top of his stall. The stallion squeaked fearfully when the changeling spoke to him with his deep baritone.

“I would appreciate if you didn’t use Mercy's reproductive organs again.” Loneling rumbled cordially, pounding harder with each word. “I am not used to feel this strongly about a female and if you do it again I might just bite your head off.” He was now positively pummeling Mercy into submission, the mare too lost in pleasure to scream. Loneling smiled a terrifying fanged smile. “I want us to be good friends, your passing away would not be conducive to that goal.” He then rammed into Mercy hard enough for his knot to bump into her pussy, almost popping inside and making the mare squeal. Loneling’s mind snapped, the changeling making place for the wolf, his smile turning into a feral grimace. The wolf howled, humping faster, trying to jam his knot into his mate. Mercy was jostled painfully, and she decided that a change of position was in order.

The wolf yelped when Mercy slapped his snout with a hoof. The mare twisted away like a snake, the beast’s red shaft slipping out of her sloppily. The wolf snarled, feeling the cold air on his length, his hips humping into nothing. He looked down, seeing that his mate had escaped, then he heard a whistle. His head whipped around, growling dangerously until he found his target. Mercy had taken the time to get back up on her hooves and she was now swaying her behind towards the crazed animal. He stared at her leaking pussy, his precum mixed with stallion semen dribbling from her, before he snapped his jaws and lunged at her.

Mercy laughed and dodged out of the way, letting the feral creature slide on the smooth tiles, crashing loudly on the wall. He snarled and jumped after the snickering mare, missing her again by a breath. The little game went on, Mercy teasing the wolf like she was playing with a puppy, but never letting him touch her. Until she had had enough. She chuckled as the snarling beast got up from one of his many crashes, then presented herself obediently, tail flicked away and lips winking obscenely. She heard the wolf leap and she braced herself.

She cried out as the huge animal's weight fell on her back, his cock spurting everywhere on her nethers as it tried to find her slit. The wolf was humping instinctually, rubbing his shaft on her fur, until an errant thrust found its mark. He snarled and squeezed his mate with his front paws, making sure she would not escape again, then he surged ahead. She was filled completely in just one thrust, his knot popping into her and pressing on her clit, making her cum violently. The huge cock battered against her cervix, the tapered head sinking into her womb without resistance, not stopping one second before retreating and pounding into her once again. The canine knot plunged in and out with indecent wet sounds, stretching her slit more and more.

Mercy moaned in ecstasy, enjoying the brutal pounding. This was what she always wanted, to feel so full and stretched, the emptiness inside filled with warmth. Yet there was one last void that needed to be filled, her womb not satisfied by Vigilance’s release. But she knew she wouldn’t have to wait much longer: she could feel a pair of heavy balls slapping her thighs, brimming with wolf spunk, just waiting to be released into her.

As if reading her mind the beast’s knot mushroomed obscenely, becoming almost too big for her poor abused slit. Undeterred, the wolf rammed his cock into her violently. Mercy saw stars flash before her eyes when the tapered end of his huge cock crashed into her cervix, prying it wide open. The knot at the base of his cock was lodged surprisingly deep into her, now too wide to slip out of her slit. And it was still growing. Now stuck into her the wolf held still, panting like a dog as he prepared to fill her up.

Mercy took her situation in: she was being mounted like a bitch in one of the police station’s bathrooms, a huge wolf knotting her cunt, her partner watching her get utterly wrecked. This was everything she had ever wanted and more, like the changeling had promised. She felt his cock jerk and grow much bigger and she braced herself. Even then she was unprepared for what followed.

The wolf snarled, humping into its mate, punching his knot even deeper. His tapered end stretched her cervix and rushed inside her womb. His cum surged through his cock, his shaft bugling even more, stretching her to her absolute limits. He looked at Vigilance again, growling, challenging the pony to stop him from taking his female and staking his claim. The stallion remained awestruck, unable to look away. He cringed in fear when the wolf pounded into his partner one last time, howling triumphantly.

A deluge of watery semen blasted into Mercy’s womb, the first shot alone surpassing Vigilance’s performance. The onslaught came in urgent erruptions, not diminishing in quantity or power. She was filled by the third shot, and by the sixth her belly was starting to grow alarmingly. But the wolf didn’t stop, he kept staring at his perceived rival as he washed his weak seed away from his mate’s womb. Vigilance looked at the monster claiming his partner with a horrified expression, a little scared for her well being. Mercy brought a trembling hoof over her stomach, eyes going wide when she felt her womb balloon like a ten mouth pregnant mare. She was huge, filled to her limits, and she loved it. And the wolf was not finished with her yet.

Mercy gurgled in ecstasy, her body spasming with pleasure as the wolf pumped more and more into her. She cried out in ultimate blissful agony when her cervix popped open around his tapered head. She lost consciousness as a geyser of thin spunk gushed around the wolf’s knot, pushing his cock out of her battered cunt. She fell on her side, the red shaft spraying its gooey load all over her body. The beast watched proudly as his seed matted his mate’s fur, knowing she would now carry his scent, telling all other males who she belonged to. But the wolf’s sensitive nose detected a hint of stallion scent on his seed as it left Mercy. With the quantity he had released, he should have taken care of all his pony sperm, but he wanted to be sure. The wolf growled and hunched over his passed out mate, his cock ready for another round.

Vigilance averted his eyes when the wolf started pounding into his limp partner. He winced when it started to fill her again immediately, almost desperately trying to mark her womb as his. He looked at the clock over the door, wondering how much longer the changeling could possibly go on for. He hoped not too much, because the puddle of cum was quickly spreading towards his little refuge, pooling around the toilet bowl he was standing on. He idly wondered if the hospital would take him as a night guard again. He could barely deal with one sex addict, he could not fathom also having to deal with a creature whose sole purpose was having sex and who could transform at will.

As Princess Twilight had so elegantly said: Nope, so much nope.