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Don't Fix the Dogs

Written by Eiji Otaka

Commissioned by Dizfoley

Quentin was a successful veterinary assistant at Pavlov University's animal clinic. He had graduated with top honors in veterinary science and was continuing his education with grad school. He sat at one of the desks and worked on his thesis late one night, which wasn't unusual given how much time he liked to spend there.

"Staying late again Quentin?" asked Dr. Landers, Quentin's mentor and graduate professor.

"Just for a little while, so I can make some headway on my thesis," replied Quentin looking up with smile.

"I always admire your work ethic Quentin. You'll be a great veterinarian. Make sure to lock up before you go. I'll tell you tomorrow about how the experimental breeding program was a success."

"Will do, Dr. Landers. Have a goodnight," said Quentin as the doctor left and he continued on his thesis.

After a good hour of solid work, Quentin was going to call it a night when he heard the clinic's doors open. He looked at his watch and saw that it was fifteen past ten in the evening. Everyone knew the clinic was closed this late, so his alert levels peaked as he got up from the office and crept to the waiting room. Hands clenched, he was not sure what to expect when he came out to the front desk. The dim, lights didn't help the situation but he saw someone at the doorway.

"The clinic's closed. What are you doing here?" he said suspiciously.

"I'm here to pay the good doctor a visit," says a sultry playful voice as a dark haired woman saunters up.

"Rachel? You nearly freaked me out. Why'd you come so late?" said Quentin, visibly easing of tension at seeing his girlfriend of two years.

"I've got a bitch in heat that needs fixing," Rachel said, rubbing her hand up Quentin's chest.

"Well we don't fix the dogs here, but I think I can provide some momentary comfort," said Quentin picking up on her suggestions and kissing her. He took her hand and led her to the office before they started kissing passionately. His hands rubbed down her hips and thighs as she grasped his back. Their bodies grinding together with desire for more building inside of them. Rachel moaned as he undid the top two buttons on her blouse and caressed her breast within her bra. She lifted her leg up and wrapped it around his as they kissed harder when she heard him unzip his pants and paused.

"Wait Quent. Do you have a condom on you?" she asked with concern. They both had promising careers ahead of them once they finished school, and a child would throw all of that out the window. A window neither one of them wanted to break.

"Ah damn, I think I forgot to buy more since the last time," he said checking his pockets. He looked into his wallet, but was dismayed to find nothing. "How about we just do it carefully, and I can pull out before I bust?" he said desperate for a lay.

"No way Quentin, I don't know what I'd do if I got pregnant. We've both got way too much to lose. We can just make out until we go back to your apartment and get some on the way," said Rachel as the mood started to fade.

"But this is way too hot. We never get adventurous like this. Let me see if there's something I can use here," said Quentin before running off to the lab next to the kennels. He figured the collection condoms they used for the dogs would work just fine and grabbed a couple unused ones from the supply cabinet. He was in such a rush he didn't notice he grabbed the experimental ones.

He returned to Rachel with a triumphant look on his face.

"We can use the collection condoms the clinic keeps for research, they should be more than effective."

"Are you sure Quent? Aren't those for animals?" Rachel asked with uncertainty.

"They are but I'm sure they'll work. They are far less likely to break since losing a semen sample from one of the dogs is too expensive," Quentin said matter-of-factly.

"Okay, let's do it sexy."

Rachel smiled with mirth as Quentin led her to one of the empty tables in the lab. She pulls off her panties under her blue skirt seductively and sits on the edge of the table opens her legs while Quentin unzips his pants and slides the condom on his hard 5 in a half inch cock. He grabs her rear and kisses her, passionately locking lips while he pushes his crotch forward, slowly penetrating her while looking into her bright blue eyes.

He was too focused on the task at hand to give any care to the experimental lubrication coated on the inside of the condom, chalking it up to it just being different from a human condom. What he didn't realize was the concoction lining the rubber was a canine sperm enhancer that was infused with doggy DNA. Slowly building rhythm while he thrust into her, Quentin didn't notice the concoction soaking into his shaft. They were too lost in their naughty passion to pay attention to the changes starting with Quentin's genitals. He moaned as he felt his cock throb inside her, each thrust going deeper into her juicy inner walls. Enveloped in his lustrous desire, Quentin failed to give much attention to his cock growing and changing, he only felt Rachel's pussy getting tighter. Each thrust sent a mutative surge through his cock, causing the head of his phallus to rapidly redden while he regrew his foreskin. The tip of his penis steadily leaked precum as it pointed, throbbing with sensitivity as the newly-formed foreskin, slowly slid down to the base of his shaft into a thick fleshy sheath. Quentin grunted and panted wildly with the sounds of Rachel's moans ringing like music in his ears. His balls churned and swelled as the hair on his trimmed ballsack thickened with pale white fur. Growing testes filled with mutative canine hybrid semen and corrupted all the human seed within.

Lust washed over Quentin, filling his mind increasingly wild desire. There was no hesitation when he reached up and ripped open Rachel's button up blouse, and quickly nuzzled his face between her bra-covered breasts. He panted with a lengthening tongue while he thrust, drips of saliva flinging from the tip. His nails darkened and grew out into black claws while he gripped her back to better guide his thrusts. He groaned and growled in ecstasy, unaware of his doggy cock's knot swelling inside of Rachel, only committed to thrusting rapidly into his bitch's warm pussy.

Rachel could feel the changes to his cock inside her vagina, but ignored it for the pleasure. That is, until she felt the unfamiliarity of his knot bulging within her walls. She started to pause with confusion, but the rapid passion of Quentin's thrusts was spearing her g-spot over and over. Her moans caught in her throat as heat blossomed through her body followed by tingling shivers of orgasm. Her cunt contracted and squeezed Quentin's doggy cock, locking onto his knot much to Quentin's pleasure. He rolled his head back and let out a low growl while his warm heavy balls that churned with infectious canine cum pulled up. His eyes fluttered and his leg twitched as he came like a geyser. The collection condom quickly filled to its limit with his freshly corrupted yellow spooge before breaking and filling Rachel's pussy with contaminated spunk.

Rachel moaned and whined at the feeling the condom filling like a small balloon inside before bursting and packing her nethers with infected liquid warmth. Her toes curled before she wrapped her legs around Quentin's waist as her body rapidly accepted the infection. She basked in the glow of orgasm for a few moments longer until her rationale started to break through with the feel of cum sloshing within her inner walls.

"Ugggh.... Q-Quent? Quentin! I-I think the condom might have broke. Ugghh... Fuck.... Quentin? D-did you hear me?" Rachel says between moans, panic fighting against the ever present pleasure, but Quentin was too caught up in his own enhanced virility to stop and listen. The room had started to smell of dog sex as he redoubled his efforts of thrusting inside her. He could only think of getting a second orgasm, a growing whisper in the back of his mind telling him to breed as much pups in this bitch as possible as his brain chemistry shifted..

Rachel gave a high pitched moan as his pointy tip jabbed into her hotspot once again. Her pussy contracted and massaged his shaft instinctively as it darkened and swelled into a juicy bitch's cunt. Her thick labia folds were soaking increasingly corrupted fluids into Quentin's furring crotch. The white fur crawled up both their crotches like creeping shade as he rapidly pumped his cock into her. She was too busy letting her panic lose to the pleasure to notice the mottled gray and black fur moving down her warm thighs as he ripped away her bra. His doggy tongue slurped and lathered her nipples as they turned black and stuck out like a soft fleshy thimble under her swelling breasts.

Black fur sprouted up his spine as it popped and lengthened, each growing segment covering with black fur until it was a fully grown tail tipped with white. Rachel's lips shaded to black dripping with drool as her own tongue lengthened, hanging out the side of her mouth as her teeth stretched into fangs. Rachel tried not to moan as Quentin continued rocking into her depths. She gripped his shoulders while black and white fur started to poke through the seams of his yellow polo shirt. Her fingers and toes swelled as her recently manicured nails curled out into thick black claws, slightly ripping into his shirt as her shoes started to feel a bit tight. Their ears became increasingly wide and pointed as the cartilage inside popped and multiplied. The changing ears covered with fur, rising to the top of their heads and growing floppy as they fucked.

Once more Quentin's cock surged as they both pushed each other into orgasm, and filled Rachel's womb with at least a pint of canine breeding batter. In between their moans, pants and growls slipped out inhuman lips. The glow of sex fading a bit, they were able to settle a bit. Quentin looked up at Rachel as she looked down at him, both their eyes going wide as the sight of each other. The grey and white fur on her cheeks, the floppy furred ears, the sight of his changing girlfriend locked into his lap, left his mouth agape. Rachel was just as freaked out if not more. She figured a guy could have some stubble on his cheeks but black fur on his forehead? The long salivating tongue hanging out his mouth that was filled with glistening fangs was filling her with dread and she could see his nose darkening every second she looked.

"Oh my god! Quent! What's happening to you?" she screamed.

"Me?! What about you?" Quentin yelled back in near disbelief.

Rachel was confused for a moment before she got a look at her hand that was gripping Quentin's shoulder. Grey and white fur was covering the back of her hand and crawling up her forearm. She immediately let go of his shoulder staring at the black claws that tipped her swollen fingers. Rachel looked at her other hand to see the same thing happening as panic set in.

"No! No! No! This can't be happening!?" Rachel nearly jumps as the buttons on the top of Quentin's polo pop off to reveal white fur underneath.

Quentin had been too caught up in the sex to notice his muscle fibers had been growing a bit, adding a little more bulk to his frame as long bushy fur spread over his body.

"I-I don't know how it's possible but it I think it's the condom. People don't just turn into dogs," said Quentin trying his best to rationalize it.

"Fuck! I think the condom broke. I was trying to tell you earlier, but it... It felt too good. I'm not trying to be some fucking dog the rest of my life Quentin, it's bad enough I could get pregnant," said Rachel, though part of her felt excited about the idea of having pups growing inside her, " I need you to get out of me now, so we can get that weird ass condom off and flush this cum out of me asap."

They both tried to push away from each other, but Quentin's knot wasn't ready to deflate and kept them locked together. The two lovers start bouncing and pulling, trying to break free, which ironically ends up more like humping, and their bodies start reacting as he builds up inside them.

"Uuuughh....Quentin... Please you've got to pull out. It feels to good....I'm getting horny again." Rachel says between pants and whines.

"I'm trying but... Fuck... God you feel so hot. Grrrr..." Quentin growled with growing lust as he watched the blue merle fur crawl down Rachel's busty chest to meet the white fur crawling up her stomach. Rachel panted as her walls massaged Quentin's doggy cock, which caused his hips to reflexively start thrusting again in response. Both of them growled and moaned as their minds were assaulted along with their bodies by canine lust and the powerful instincts to procreate while they continued to change. Rachel kicked her furry legs out as her heels popped and feet stretched into hindpaws, her shoes tearing apart as canine toes curled and rough pads puffed underneath. Her spine bulged out and extended, lifting up her skirt as a fluffy gray-black spotted tail made itself known. They both barked and growled as their faceplates cracked and shifted forward, their noses turning a wet black and twitching as foamy drool hung from the dark lips of their growing muzzles.

The were convulsing and shaking wildly as their brains burned with doggy lust, thoughts warped and corrupted with bestial desire. Breeding and making more canines dominated their thought processes. Goals and aspirations twisted to fit the needs of two animalistic breeders. Sire as many pups as possible, impregnate and be impregnated by any and all who could, and bring out the dog in other humans to make more breeders for the kennels. That last thought was new and growing into a pillar of purpose in their increasingly corrupted minds with every sloppy wet thrust.

Thick white fur covered Quentin's abdomen up to his chest to mix the the black fur there unevenly. The black coat of fur finish spreading across his back, down from his shoulders, and up to meet with his head hair as the brown follicles changed, slowly shading black to match his furry overcoat.

His eyes rolled up as he continued thrusting into his bitch, drool slinging from his muzzle as it covered in white fur, the black fur on his cheeks and forehead split by a spear of fur crawling up the middle. His heels extended as he thrust, leather shoes whining and ripping apart as black claws set on thick paws tore through them. His new digitigrade stance having him stand on the padded balls of his feet and toes allowed him to thrust deeper inside of Rachel.

His girlfriend turned breeder bitch was lost in overwhelming heat as her patchy black and gray fur thickened into a lush blue merle coat over her back to match her chest while three rows of nippes lined up under her growing breasts. Rachel's bosom pushed into healthy C cups that bounced with every thrust into her doggy cunt. Her white furred muzzle was frothing with infectious saliva, tongue hanging out and dripping the same as the gray and black fur covered her face. Her blue eyes widened with one darkening to a warm hazel before they rolled up in their sockets as thick blocks of lusty canine logic wedged into her skull. Her tail wagged vigorously along with Quentin's as they both completed their change, white fur covering their pawlike hands as they gripped each other while their thought processes finished rearranging with canine priorities and removed the remnants of humanity floating through their canine psyches.

While it was clear they had become some type of dog creatures, it was now obvious what breed. The two college students turned hybrid border collies, howled and barked as they orgasmed for a third time, Quentin filled Rachel's womb with an overabundance of his virile doggy sperm that thoroughly invaded her ovaries as her breasts strained and her mammary glands went into overdrive, filling the lush mounds with tainted milk as proof of her corrupt fertility.

The two bestial lovers calmed down as their lust settled a bit, eyes rolling back down looking wild and canine to reflect their altered mindsets. Rachel's heterochromatic eyes looked to her prime mate with resonant lust. Quentin's knot finally shrinked after such rapid breedings. He pulled out of Rachel wetly, globs of corruptive yellow dog spunk spilling from her bestial cunt as his red shaft bobbed in freedom, still dripping their combined juices. The tip of his rocket sticking proudly out of the ripped end of the failed collection condom. Rachel amorously licked his furry cheek, and they both panted as Quentin eyed the broken condom from his deflating knot before popping it off his slick shaft while it slowly retreated into his sheath. Pitter-pattering draws his attention to the excess of his seed falling from Rachel's doggy cunt to the floor. His mind lost to the canine he'd become inside and out tells him to lick it up to keep the fluids from going to waste and he quickly bends down and stuffs his muzzle underneath her skirt much to Rachel's amusement. In no time he was lapping at her cum-leaking cunt that had soaked her thighs in sexual fluids. Rachel's right leg kicked out rapidly as she barked in pleasure at feeling Quentin's tongue delving into her dark folds and scooping up his own infected seed while caressing her inner walls.

Sadly the cunnilingus ended after a dozen licks or so, leaving Rachel panting excitedly as he pulls his head from under the fabric of her skirt and licked her muzzle sloppily. She licked his muzzle back with joy as they reveled in their new being.

"Damn Rrrachel, you are such a hot bitch! You smell fantastic. Just your scent alone is keeping my cock from fully going back into my sheath," said Quentin with his tongue hanging out.

"Grrr... Every dogman's cock needs to hang out while I'm heat, sexy," replied Rachel.

"I'm probably the only dogman there is at the moment," said Quentin before grinning lewdly with perverse thoughts.

"You don't have to be," said Rachel with her thoughts matching his smile as their canine-warped brain chemistry has them imagining a campus full of horny weredogs, breeding and turning humans into more of their kind. The thought alone causing her thick nipples to drip with rebuilding lust, and her wet folds to stay soaked in lust.

The two horned up border collie hybrids then spent the rest of the night fucking all over the clinic, spraying corrupted cum and milk everywhere until almost every surface is contaminated with their canine contagion. Counter tops and desks dripping with seed, and the waiting room couches stained with tainted milk left the whole clinic reeking of doggy sex and musk.

**********

The next day Dr. Landers opened up the the clinic to be bombarded with the pervasive odors of dogs and sex, far more than usual at least. Feeling dizzy he looks at the disarray to the clinic.

"What the hell?" he asks to no one, seeing the yellow slime, milky stains and shed fur everywhere. He was confused, they didn't have any dogs at the clinic at the moment that could have gotten out. He scooped up a glob of the yellow slime with his finger, and sniffed it before gagging and wiping his finger on one of the nearby chairs. Wondering what could have possibly happened to leave such a mess, his internal musings were answered as he was grabbed by behind. He gave out a muffled cry as his mouth and nose was covered by sweaty paw like hands.

To his horror a humanoid canine beast pinned him down on the front counter, and looked him in the eye with a creepily human smile.

"Don't worry Dr. Rrrranders, those experimental collection condoms have taken your research to new heights! You'll be barking in no time, and then you'll see how we can further our race and your research by turning all the humans we can into weredogs," said Quentin triumphantly.

The doctor recognized Quentin under the canine exterior, but nonetheless struggled and tried kicking and twisting free as the odor of the sweaty palms exacerbated his dizziness while another dog monster, that was clearly female from her jiggly furry tits, shredded his pants to reveal a slowly hardening cock.

"Yummy, but this lollipop needs a new flavor," he heard the female beast say before lathering the shaft with infectious saliva. He moaned in resistance as Rachel coated his penis in foamy drool as it thickened and slowly turned red. The doctor grunted into the fuzzy palm as his eyes fluttered. His average 5 inch cock was pushing into a pulsating 8 inches as the tip pointed into the head of a blushing rocket. He kicked his feet now in lust as furry sheath formed at the base of his cock under a bulbous swelling knot. Landers could feel lust rising through him, clouding his thoughts while growing balls coated with thick fuzz as the testes inside his scrotum filled with virulent canine seed and overwhelming bestial hormones.

Quentin removes his pawhand from Dr. Landers' mouth, giving the man a chance to moan freely before enthusiastically licking all over the good doctor's face with his slobbery long tongue. Suddenly the doctor's furring crotch thrusts forward as his balls rise and surge cum from his cock. Rachel was pushed off his cock momentarily from the unexpected thrust to get a up close view of Lander's doggy cock twitching before spraying out its orgasm. She marveled at the ropes of white human cum spraying out before the fluids turned a thick milky yellow, spurting contaminated canine spooge into the air and over her muzzle. Licking the cum from her chops, her multicolored eyes sparkled with zest, pushing her to wrap her muzzle around the spraying cock to get the warm salty treat directly into her maw. Her tongue milked his cock eagerly as the seed flowed down her throat. As his orgasm settled, she pulled off his shaft and pulled Quentin off the doctor's face. Lander's lips were jet black, shielding growing fangs while a drooling tongue hung out the side of his mouth.

"I want that cock of his filling my cunt. I won't stop until I've got enough pups swelling my belly to fill the kennels and then some," said Rachel boldly before bending over onto all fours and lifting her tail up for the doctor to see her glistening canine sex. Quentin beamed with twisted pride at seeing his bitch offer herself up to the changing human.

Dr. Landers was just recovering from his infected orgasm as he got off the countertop. His mind was swirling with tainted thoughts. His human rationale weakened severely from the canine assault that left permanent doggy lust branched throughout his brain. White fur spread out from his exposed crotch as mixing with the brown fur that had unknowingly spread across his back and buttocks. His wet darkening nose sniffed as a particular scent caught his attention through the potent canine musk flowing around. The scent of a bitch in heat warped his thoughts further as his cheeks furred and fuzzy pointy ears rose to the top of his head. He slowly stepped to the horny bitch that was Rachel waiting for his shaft. He gave a lusty growl, growing claws tearing open his button down shirt to leave his tie hanging freely over a well-defined brown and white furred chest. Each step caused his loafers to whine and strain before they ripped apart from the growing paws that was his feet. He wobbled a bit as his heels extended and popped into a digitigrade stance while covering with fur and leathery pads puffed under his toes and the balls of his feet. He found his cock right at Rachel's dripping wet entrance, and wasted no time pressing his doggy cock into her waiting snatch. She gave a growling moan as he entered her and started thrusting. With every pump of his cock, his face cracked forward, pushing into a muzzle and his furry spine extended. A bushy tail quickly made itself known, curving up in signature husky fashion.

Quentin, seeing and smelling another male, quickly made sure to assert his dominance, and padded up behind Landers before biting into the scruff of his neck, much to the husky doctor's surprise. He then slid his own canine cock into the puffy black anus that was now exposed under the doctor's tail from the hole it made before. Landers happily accepted his lower position as he was allowed to fuck Quentin's mate, and felt added pleasure from the feel of Quentin's cock ramming into his prostate and he rammed into Rachel's g-spot.

Outside lustful howling could be heard as everyone on campus started their day.

It was a hours later the clinic was filled with infected humans and lust crazed canines in various states of change and positions of sex. Their minds twisted into a driving desire to make more weredogs through breeding or otherwise. Rachel sat in a waiting room chair as a changing man licked out her cunt, relishing every moment his tongue extended deeper into her sex to lather her inner walls. Quentin was busy fucking a woman as she changed into another breeder bitch for their growing canine community. She rubbed her now swollen belly as she contemplated the tons of pups that would soon be running around as the campus goes to the dogs.