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Jared the wolf walked out of the clinic holding a plastic bag, he was nervous as he left the place. Although sexual expression was pretty open and free these days he still felt a bit self-conscious at being seen leaving a sex enhancement clinic. But once he was a good distance away from the place he relaxed a bit as he thought of all the fun he and his wife would have once he took some of this stuff. Jared and his dragoness wife Mabel wanted to start a family. Not something that was normally possible as they were different species, but modern medicine and genetics had advanced to the point that giving mother nature the middle finger was a big business.

He had ordered a custom sex and virility enhancement formula, one that would both allow them him to conceive wolf-dragon hybrid offspring and enhance his potency and size. These kinds of custom gene products were nightmarishly expensive even these days and it took several months for Lilith-Biosolutions to fabricate it, but he had the money and figured it was worth it. He had been with his wife for over 98 years, having first met her when he was only 23 years old. Anti aging treatments meant that they both had the bodies of young adults, he had enjoyed his life so far, he had been making good money for almost a century and he could effectively live like a king if he wanted to but he had kept working and saving his funds. Once sex mods became more mainstream he knew he had to get his hands on some, but he didn't want to get one of the boring generic products, he wanted the full package. Custom biomedical products are hard to make due to the one on one care needed. Weeks of testing at the clinic, long questionnaires about what he and his wife wanted, psychological and financial examinations, and over 20 years of saved wages later he finally had his prize inside the cheap bag he was holding.

Jared gulped as he looked around as if to check if some mugger was hiding in a dark alley to jump him. He realized that was pretty paranoid of him but he felt very vulnerable holding something so expensive in the dim light of the setting sun. He reached the street and hailed his car with his wristcom, the sleek metallic blue sedan pulled up silently next to him a few moments later. The door opened up and he slid into the plush synth-leather set, feeling better inside his ride's diamonoid reinforced one way windows he relaxed in his seat. He keyed the controls on the front panel of the dash to take him home. A soft voice of acknowledgement from the car's AI was followed by the vehicle moving out onto the street. Jared wasn't paying attention to anything but the contents of the bag in his lap. Unable to wait he removed the contents, a large white box with the symbol of Lilith-Bio stamped on the lid. It was rather plain but he figured that flashy advertisement wasn't necessary for a personalized piece of biotech that wouldn't end up on the open market.

He opened the lid and inside was a large hypodermic syringe filled with a yellow fluid. It was such a small thing and there was only one dose of it unlike so many of the products he had seen. But the doctors and techs at the clinic had told him that because this stuff was tailor made for him and his wife one dose was all that was needed. The only thing else in the box was a long booklet of instructions. The wolf was getting excited as he stared at it, he was tempted to grab the thing and jab himself with it right there in his car but he figured that he should read up on how to take it first. Jared reluctantly put the lid back on the box, he only then realized how horny he was. His canine cock was rock hard inside his pants and he could feel that his underwear was becoming soaked with his pre. He didn't want to have children when he was younger, he had too much to do, and it was impossible anyway until now. The thought of his wife actually getting pregnant, becoming gravid with eggs thanks to this mod and its life altering effects was making him very aroused. In fact he couldn't remember being this horny in a long time. Like a lifetime of breeding instincts long suppressed were bubbling to the surface. He shook his head as he focused on the road ahead, totally unnecessary as the car was automated but he realized that he was so horny that he feared he was about to jizz his pants. He looked out at the boring streets until the urgent throbbing in his pants slowed, but it refused to stop. He wished that his car could drive faster...

By the time he arrived at his house on the outskirts of town he had ruined his pants with precum. He quickly jumped out of the car and told the thing to park itself inside the garage. He was lucky that it was late at night, his dick was so hard that his arousal was plainly visible. He quickly barged into this home, the door automatically locking behind him. He grunted as he struggled to remove his pants, his cock was so hard that it was making the task difficult. The friction of the cloth on his inflamed dog dick was painfully stimulating, he finally tore his pants down from his body and pulled his soaked briefs down, a splattering of pre oozed onto the ground as he had filled them almost entirely with his liquid lust. He kicked the soiled clothing away as he admired his pre-covered dick; it was a rather impressive member, a full 12 inch long fuckstick and nearly as thick as a soda can. Ha had this dick enhanced in size years ago, some women liked smaller men but Mabel was not one of them and she had paid for the work herself on his 60th birthday. Best birthday present he had ever received. He rubbed his cock idly for a moment before he reached for the precious box.

He opened the thing up again and gingerly removed the syringe before placing it on the table. He took out the instructions. His paws were covered with pre but the booklet was made of hydrophobic paper or something and seemed immune to stains. The folks at this company really did think of everything. He flipped over to the front of the booklet and started to read.

Hello Mr Jared Arkrom! We are so glad that you have chosen to purchase one of our custom bioenhancements! Please refer to this booklet for instructions on use and effects. You would have been briefed on the effects of the product you ordered beforehand but feel free to use this as reference as needed.

The next piece of text was clearly typed out by hand. It said in bold letters, "Read this before use!"

"Hello Jared this is Carl, the head doctor at the clinic. So I see you have gotten quite the potent mod on your hands. Penis size, muscle size, height, interspecies compatibility, potency and libido enhancements of the highest order the government will allow. You also asked for a class A positive feedback loop worked into this one. I don't know if you remember but that means that this mod will only get stronger the more sex you have. This can include radical alterations to both of your body plans as the mod changes the both of you to better suit the task of breeding. There is a built in limiter and if you abstain for sex you should eventually return to a less extreme state but I must warn you one last time, you haven't ordered some magic juice that makes your dick bigger and makes you cum real good, you ordered the magic juice that will turn both of you into breeding beasts. Expect nothing less than life altering changes once you take it. I know that you have already heard all of this stuff a dozen times at the consultations but corporate gets very anal about this, lawsuits are expensive you know. Best luck to the both of you. Good luck with dynasty you are about to sire and have fun.

-Best Regards: Dr.Carl Maldof, Chief medical officer Lilith-Biotech designer erotic products division"

On the bottom of the paper was a section that was labeled "Instructions", this time it was written in pen by the doctor.

Instructions for use: Pess the black end of the injector tip against one of your thighs and press the green button. Hold the injector to your leg until you hear it beep once. Dispose in an approved sharps container.

Easy enough. Jared was already naked so he took the injector in his hand. He removed the cap to the tip and pressed the thing into his leg, he pushed the button on top of it and felt a slight stinging as the stuff was injected into this thigh muscle. A few seconds later the injector beeped softly, it was empty. He looked at the thing before throwing it on the table. That was rather anticlimactic. He wondered when it would start working before he remembered that this stuff was activated by orgasm.

Still naked and dripping all over the place the silver furred male walked into the master bedroom. He threw himself onto the king sized mattress and rolled over on his back. His dick was throbbing, the thought of this cock growing was making him so horny that he couldn't help but rub his cock. The red hot flesh was so hard that he could hardly make a dent in the surface as his paws became slick with fluids, aiding his frantic fapping with the extra lubrication. He looked over to this nightstand and pulled out an extra large condom from the top drawer. As much as fun making a mess was Mabel would probably be slightly annoyed at him soaking the bed with cum, although he knew that she actually found it rather hot. The rubber was designed for a ten inch dick max and it could barely contain his cock, he was well aware that he probably needed a bigger one but seeing the condom nearly explode with his fat load every fap was incredibly hot so he refused.

Now somewhat contained, the wolf started to rub his dick with all of his might. The tip of the condom started to slowly fill with precum as he played with himself. He rubbed his furry nuts with one of his paws and squeezed his shaft with the other. His balls were the size of small oranges and his loads were always messy thanks to his previous enhancement. He couldn't wait to grow bigger, for his now genemod loaded sperm to infect his wife and cause her to grow as well. He reached for his wristcom and flicked through the pictures until he found his favorite fapping material, naked high definition pictures of Mabel. Years together had caused the two to develop a very active sex life he knew that the horny dragoness kept pics of him buck naked with her as well. He had no need for third party porn, all he needed was an image of her silver scaled perfection, her wide hips and arm filling breasts drove him crazy no matter how many times he saw her. He moaned as his balls pressed up into his crotch, he was about to blow. His knot inflated as he imagined himself balls deep in his wifes warm cunt. He bucked as a massive jet of jizz erupted into the already straining condom, he gritted his teeth as the tip of the condom inflated to the size of a large grapefruit as it expanded to contain his overly healthy load. He shot over twenty fat ropes of cum into the condom before he stopped cumming. He huffed and puffed as he rolled the condom off his dick. He had to hold the end to prevent the orb of semen from oozing out of it as he made his way into the bathroom.

He disposed of the condom and jumped into the shower. He was still very horny and his dick was refusing to go down. He ignored it and turned on the warm water. The water felt good on his skin and fur but the heat was also making his arousal worse. He couldn't help but rub his dick as pre started to mix with the water at his feet. Just one more fap he thought. Just to take the edge off. He pressed his hand against the shower as he rubbed his cock and gasped in lust. He hadn't felt this horny right after cumming before, he looked at the injection site and realized what was happening. The transformative must had already started working, making him a better breeder with every cumshot. His tongue lolled out of his muzzle as he allowed his fantasies to overtake him, images of his dick spilling vast sheets of rich musky seed, of Mabel's pussy overflowing with jizz, of her belly inflating with the stuff as he bred her fat with young. He thought of stuffing his fat alpha sized knot into her straining cunt, her long expertly skilled throat. He was shaking, his eyes were wide with lust and need. He grabbed his cock with both of his hands and started to violently stroke the long shaft, his balls ached so badly, like he had been blue balled for a week. He only barely managed to stifle a howl of pleasure as his cock let loose a massive torrent of semen that splashed up against the wall of his marble shower stall. He looked down and was amazed at the volume of it, his creamy semen flowed down into the drain, cupfulls of it. His balls stil ached and he felt a mild pinching sensation from them, he fondled his balls and was shocked as he felt both of his nuts expand in his paw.

Jared looked down and stared at his testicles, he had not imagined it, his nuts were growing before his very eyes. They were growing slowly but it was impossible to miss. His balls inflated until they were about the size of medium sized coconuts.They clenched with virile power and the elated male thrusted his cock and balls forward, relishing the newfound weight of his sperm makers. They were bigger but what amazed him the most was the sheer density of them, they were much larger now for sure, but they felt off, like even at their size they should not weigh so much. As more cum dripped from his cock he saw that his cum looked... denser.. It was less like a thin white fluid and more like a thick gravy. He could smell how musky it was even in the steamy shower. He wiped a dollop of the stuff off of his dick and tasted his own fluids, it was so rich, so musky. His heart sang with joy, his dreams were coming true, he was becoming more virile, his seed was becoming better, thicker, more potent. Was it strong enough for him to get Mabel pregnant yet? Yes felt his balls thobb as if to answer his question in the affirmative.

He couldn't wait for her to come home, she was out of state and she would be back in three days. He gulped as he realized that he had a problem, could he survive without her for a whole three days? Jared moaned as he felt his balls churn with their newfound virility. He was forced to rub out another massive load from his throbbing cock, he shot out huge clots of this semen against the wall. The restroom was becoming hot and musky from all of the creamy spunk he was releasing. Most of his load went down the drain but much slower than normal as the thick potent fluid oozed lazily down the wall. He rubbed his huge balls as he felt the need to cum again over take him, he suddenly blasted a massive stream of cum against the wall with force that some of it rebounded back at him, covering his thighs and belly with a coating of jizz. He looked at the growing puddle of jizz on the shower floor, he gulped when he realized that he had to be releasing several liters of sperm leaden spunk every orgasm. Thanks to his previous enhancement he was used to extra messy loads, but even with days of abstinence he had only ever put out a half a liter or so. This was something on an entirely different level as he felt the cum cover the top of his foot paws briefly before the stuff was finally washed down the gurgling drain.

Jared realized that he could probably just spend all night clogging his plumping system with jizz if he wanted to so he tried to calm himself down. His nuts ached and his cock thobbed against his belly in protest but he was eventually able to control his desires for now. He stepped out of the shower, his dick was only semi hard although he was still leaking a shocking amount of precum all over the expensive tile floors. The lean wolf-dog dried himself to the best of his ability, although he had to use caution as the soft cloth against his still fuck hungry cock caused him to gush unusally large globs of clear precum into it. He needed over four towels in order to get dry. He wandered into his bedroom and laid down on the plush sheets. He tried to think of anything other than wet dragon pussy but his hormones were surging due to the new size of his balls and the injection slowly but inexorably forcing him to become the breeding beast he always wanted to be. He rolled around in his bed as his dick slowly became fully erect again, it started to leak precum only his flat belly and the sight of it pulsing with every beat of his heart was mind numbingly arousing. He whimpered as if scared by his own raging libido, but he had no choice but to grab hold of his canine member, he began to stroke in gently. His dick felt great, it was so sensitive now that even though he had jerked himself off countless times in his long life it was like he was discovering masturbation for the first time.

Jared soon took hold of his dick with both hands as he started to squeeze his precum coated dick. He was so horny, he looked down at his knot, the lump of flesh would inflate slightly as his arousal spiked. He thought of Mabel, he thought of stuffing his knot into her cunt and dumping the thick reeking load accumulating in his balls and prostate into her. He imagined fucking his dragoness wife in a dozen different positions, each one more lewd and extreme then the last. His breed-happy knot inflated to its full apple sized diameter for a few seconds before slowly shrinking although not fully. His cock was eager, it wanted to impregnate, his knot wanted to swell to its full size inside her fertile cunt and lock his dick inside her in order to ensure a successful breeding session. Jared felt his heart pound in his chest, he had just cum vast amounts of semen inside the shower but his balls felt as heavy as ever. They were hot and musky, the coconut sized gonads churned constantly and they dutifully brewed up more jizz. Jared's prostate felt like it was about to explode, he could feel it pressing up against his bladder and it thobbed with more and more creamy potential every second. He was releasing so much precum that it was being ejected from the tip of his dick with enough force to fly meters high into the air.

Jared winced as he saw his expensive silk sheets getting soaked with pre. With one hand still squeezing his dick he reached into his nightstand again for one of his condoms. He tore the package open with his teeth and quickly wrapped the thing around his spurting cock. The reservoir end of the nanoflex material began to fill with precum almost instantly. With his cock contained for now the wolf started to rub his shaft with renewed vigor, he was so sensitive, he knew that he was already about to blow. Visions of dragoness breasts and cunts leaking vast jets of pre flashed in his mind. He needed to breed. He needed to BREED! He howled as a massive beam of seed shot out into the condom, he was coming with such force that the condom deformed around the pillar of seed clearly on the verge of breaking. Somehow the high performance rubber wasn't instantly holed by the violence of his ejactulation but as the tip filled with enough cum to swell to the size of a large melon it was clear that the condom was about to burst. Jared grunted once and his huge balls violently clenched as if enraged by the pathetic condom, they clenched so hard in fact that his nuts seemed to shrink in diameter by about 30% as they tried to purge themselves of every milliliter of sperm filled cream inside them. A new fiercer gout of semen blasted out of his doggy cock and melon sized condom briefly blew up to the size of an extra large pumpkin before the poor abused rubber cried uncle and violently exploded. Jared sputtered as he was instantly splashed with his load, the cum was everywhere, his mattress was now a spermy swamp but the sudden mess wasn't enough to cause him to stop cumming his brains out. Free of any containment he started to spray jizz all over the ceiling as his cock flexed and pulsed with its terrible new potency. He splashed the ceiling with so much semen in fact that a literal rain of gravy like semen started to fall on Jared, his bed, and his expensive carpets. Soon his orgasm started to wane and the wolf was left gasping from the intensity of his climax.

Jared was gasping for breath as he laid in his bed. He was starting to get hungry and thirsty so he ignored his dick and the now permanent churning sensation in his balls and walked into his kitchen. He was buck naked but he didn't feel like ruining any clothes with precum at the moment.

He was exhausted, cumming so much must have really drained his reserves. He staggered into the well-equipped kitchen and opened the fringe, he grabbed the first drink he saw, a gallon of milk, he chugged the entire container of milk but that seemed to be unable to quench his thirst. He opened the purified water tap and started to drink the ice cold water, he guzzled down water until his stomach was bloated with fluid. He eventually stopped drinking and despite being massively distended with water and milk his stomach rumbled in hunger, he felt like he hadn't eaten anything in weeks. He rummaged through the fringe and pulled out anything remotely edible, expensive cheeses were stuffed into his maw, cold fruits and vegetables vanished down his gullet as his stomach kept swelling. He needed more, he somehow knew what his body wanted more than anything else, he needed meat. He opened the meat box and started to drool uncontrollably as he found slabs of venison, fine cuts of beef, and two whole chickens. He tore into the packaging of each and ravenous devoured it all, he would have never even thought of eating raw meat before but it tasted so delicious now, blood and juices dripped from his muzzle as he stuffed himself with several days worth of food. His stomach grew and grew until his belly button popped out and still it swelled rounder and heavier. Soon every morsel was inside his gurgling belly and Jared realized what he had done.

Jared stared at his previously washboard flat belly in horror, his belly was the size of an exercise ball! He had no idea how he even ate so much food, he was even more amazed that he didn't even feel sick or overly full, just satisfied. He nervously washed his hands before wobbling over to the instruction booklet on the table nearby. He opened the thing and flipped to the section talking about the effects of his transformative.

....in addition to increased libido the body modification aspect of the mod will cause several temporary effects on the body and mind. In order to fuel the rapid growth that you will experience from this mod you will notice increased appetite, do not be alarmed if you feel that you are eating too much food your body needs it to grow and improve. The mod will augment your digestive system in order to handle very large amounts of food so don't worry, eat and drink when your body demands it. Due to your canine biology you may desire meat in particular, this is normal and your growing body will be happy for the extra protein...

Jared stopped reading, his concerns addressed for now. He winced at this unsightly belly he hoped this wasn't permanent. He was really tired, he needed sleep. Even his cock seemed sleepy, it was fully soft for the first time tonight as his body busied itself with digesting the freakish amount of food he had eaten. His bed was a mess so he crashed on the plush sofa inside his living room. His eyes were heavy as he thought of himself growing bigger, stronger and more virile. He missed Mabel, he still had two days without her and this made his heart ache and his dick feel lonely. Jared's eyes closed and the cum covered food filled canine finally drifted off to sleep.

Jared's dreams were a whirlwind of sexual madness. He saw himself filling Mabel with semen, gallons of the stuff. He started at his cock as it grew longer and longer in his dream, his balls swelled and swelled until it hung below his knees. His muscles inflated with power, his thighs became thick pillars of power and his glutes inflated and rounded out with meat, all the better to pound his cock in and out of her. It was all a dream but Jared was growing in the real world as well. His system was turning the food he had eaten into more flesh, bone and muscle. His spine cracked as he gained a few inches of height. His biceps rounded with fresh muscle and his thighs inflated with power. He growled happily in his sleep as his body gave him what he wanted although at a much slower rate then the fantasy of his dream. His coconut sized balls throbbed as they grew even larger, inflating with virility until they were the size of small melons. The extra testerone from his mega nuts only accelerated his growth. He grunted in discomfort briefly as he grew an entire foot taller in the space of a few seconds. New muscle ripped onto his form, his belly shrunk as it was absorbed by his body until he had his flat stomach again. His flat belly vanished as abs pressed against the skin of his belly until he had a fearsome six pack. His fur started to grow longer and thicker, the back of his neck and head developed a handsome mane that fluffed out behind him. His pecs tensed as they grew firmer and larger until he had quite the shelf in front of his chest. His cock was rock hard and leaking precum once more. Jared moaned as it started to grow, the inches compounded until it was nearly a foot longer, it expanded in girth along with his knot which inflated into a terrifying pussy straining bulge of flesh. Jared sighed happily in his sleep as he rolled over onto his side leaking precum into the leather sofa. He was a handsome, virile, canine giant now. He was over 7 feet tall and his cock was nearly two feet long, his quaking nuts groaned and glorped audibility with an almost sickening virility. It was a while before he stopped transforming but eventually his ascension halted and he finally relaxed. He would have quite the surprise in store in the morning.

A thin sunbeam on his face caused Jared to stir. The huge wolf opened his eyes and squinted as he rose from the sofa. His head hurt a bit but otherwise Jared was feeling great. He looked down at his crotch and gulped as he got an eyeful of his new and improved bitch breaker. His pulsing dick was rock hard and leaking a shocking amount of clear but still musky precum. Jared felt his body, the firm muscle of his thighs bulge in his paws and his ab muscles formed deep crevices on his once flat belly. His pecs were bulky yet perfectly square as masucline, and his biceps looked ready to burst from his arm. His balls hung against his pillar like legs, they were so heavy that it felt like he had a pair of lead weights resting there. The aching heat inside them was more intense than ever, they churned and quaked as if his new godly gonads could barely contain the virility inside them. He moaned as he rubbed them, the full feeling inside his nuts seemed to be getting worse now that he was thinking about them. The horny wolf stood up and walked into his bathroom. He had a full length mirror near the end of the room and he stared at himself. He was huge, he barely fit within the frame of the mirror anymore. He ignored the throbbing heat in his nuts for a moment and touched his face, his head looking longer,his muzzle felt wider, and as he opened his maw he saw that his teeth looked freakishly long and sharp. He was becoming some kind of wolf-beast, all delicateness was gone from his body, he felt heavy and strong. But what he felt the most was lust.

Jared started to pant and drool onto the floor as he thought of Mabel's fat pussy wrapped around his cock. He huffed and grunted as he allowed his fantasy to consume his mind. He started to gush precum, streaks of it lined the walls and floor as it erupted from his breed hungry cock. His balls hurt, they were becoming clogged with a painfully huge wad of unspent seed. His balls churned and ached, his balls seemed to move and quiver as they filled with more and more seed. Jared felt his pelvis become achy and full as his entire system started to literally overflow with thick seed, his seminal vesicles were so packed that he could feel them now pressing against the other structures in his body as they tried to keep swelling with potency. Jared grunted as his prostate pulsed and burned with pleasure, the organ had swollen to the size of an orange and felt on the verge of bursting from excess fluids. Jared looked down and saw the stream of clear precum become stained white with sperm, seconds later nothing but pure creamy cum was oozing from his cock tip. He was packed to the max with semen, the only thing his body could do was gush out the excess in order to avoid something inside him exploding.

Jared felt his mind start to slip as the need to breed and cum overwhelmed him. He started to hump the air as thick streaks of reeking wolf jizz flailed everywhere. He started to rub his cock as he tried to purge the unbelievable fullness in his balls. He still had the presence of mind to point his dick towards the empty shower stall before he exploded. A sickeningly shrill sound echoed through the bathroom as a jet of dense cum flew out into the stall. His load exploded against the tile wall of the shower in an explosion of white so violently that his jizz rebounded and flew in every direction imaginable. Tens of gallons of the stuff started to overwhelm the drain as it was too thick to flow fast enough. The temperature of the bathroom increased by several degrees and the air quality plummeted as the nose curdling smell of wolf sperm filled the air. Jared howled in lust and need as he kept cumming and cumming, the shallow stall started to overflow and his creamy load started to flow out and toward his paws. His sperm was so hot, so thick, so musky, Jared felt so alive and potent. He couldn't wait for his dragoness to come home so he could fuck her fat with eggs from his now omnivirile cock.

It took a few minutes for the flow of semen from his dick to slow down, by the time he was done the bathroom was a ruin of white. Jared somehow knew that the smell of his jizz would never wash out from his place. The shower drain gurgled and blorped as it tried to suck his wiggling cum into the sewer with only limited success. Jared's tongue lolled out of his muzzle as he tried to catch his breath. That was the most intense climax he had ever experienced, and his dick was still semi hard. His balls no longer felt like they were on the verge of exploding from their own product but he could tell that wouldn't last long. The deep and pleasant ache inside his egg seeders told him that he would need to cum again soon, already his balls were clenching and thuming with potential as they brewed up another load. Jared stared at his semen filled shower and started to worry. He needed some help to deal with his newfound virility, otherwise he would destroy his luxury home with his cumshots before his wife even arrived.

Trying to avoid any sexual thoughts Jared threw some clothes on as he prepared to head back to the clinic. Nothing really fit but he managed to find some of his fathers old workout shorts, his ass had become huge as well, it was a massive and perfect bubble of toned muscle, perfect for thrusting a dick into a hungry hole. Jared felt his cock twitch in his pants as he imagined thrusting into a hot cunt again, he had to take a few deep breaths in order to avoid soaking his shorts in precum. No shirt would fit him, he was simply too large, his shoulders were too wide. Luckily these days males going shirtless was pretty common, the only looks his jacked torso would attract were ones of admiration or jealousy. Jared grabbed his things and walked out to his car which he had already summoned from the garage. He just barely fit inside the thing anymore even with the seat pulled all the way to the back but he somehow made it work. He told the car's AI to take him to the Lilith-Bio clinic as he started to leak precum into the seat, his balls already starting to feel full again....

By the time Jared arrived at the clinic he was already on the verge of bursting, his balls felt like they were filled with molten lead and there was a pool of precum sloshing across his feet under the steering wheel. He got out and ran into the side entrance, he was lucky that no one was around at his odd hour. The receptionist looked slightly concerned as she stared at the giant wolf staggering into the waiting area, which was saying something considering the extreme nature of the modifications dolled out in his private luxury biotech facility.

The receptionist was a rabbit with clearly augmented breasts and a deliberately revealing nurse's outfit. She said, "Sir are you ok? Do you have any business with us?"

Jared gasped, "It's... me Jared Arkrom. Need help.... So horny... can't stop leaking...."

She looked up his file and confirmed his identity wirelessly with his wrist mounted computer.

"Oh my sir. Looks like the injection was a success. But you are having trouble with your enhanced libido and virility, yes?"

Jared could only nod his head in the affirmative as his balls pulsed visibly through his dangerously tight shorts. The rabbit stood up with a smile on her face, clearly she had dealt with this situation before.

She said, "Come and follow me sir. I will bring the doctor out to give you some help. Don't worry about the mess sir, that is what janitor drones are for."

A pair of small wheeled robots had already fallen in behind him dutifully cleaning up his precum as he followed the rabbit inside the clinic. Jared averted his eyes from her behind as she followed her. Clearly this bunny had some work done on her ass too because it was huge, her cheeks wobbled with every step she took and she had freakishly wide broodmother hips to go with them. The outfit she was wearing was clearly entirely erotic in nature, her white shorts had the pattern of a classic nurse's uniform but it was cut so short and tight her butt was nearly exploding out of it. Her figure seemed to be perfectly designed to inflame a male's deepest and basest breeding urges. He knew that a simple glance at her barely contained booty would cause him to cum all over the floor unless he was careful.

Somehow Jared avoided coating the receptionist in semen for the time being and they soon walked into a large room. It was sparsely furnished except for a few monitors and a large steel examination bed.

She said, " Please sit down here and wait, the doctor will be here soon. Feel free to take off your clothes and relax, you are safe here big guy."

The rabbit bounced out of the room and closed the door behind her leaving the panting cum loaded wolf alone with his lusts. Jared wasted no time removing his pre soaked shorts, his giant dick stood to attention now that it was free of its pathetic cloth prison. Stinking pre oozed out of his penis constantly, the clear emissions started to become stained with pure virile white once again. Jared's balls rumbled against his thighs like restless beasts, he was about to overflow again, his nuts groaned and churned as they started to drown in their own ultra potent product. His balls growled like a hungry stomach, but unlike a stomach what his nuts wanted was to be emptied not filled. Unable to stop himself, a pillar of dense creamy semen jetted from his dick, his 8 inch wide knot inflated to its full size as his breeding instincts ran rampant. Suddenly the door to the examination swug open and a tall lean antelope walked calmly into the room, he was wearing a long white lab coat and was carrying a data pad. He looked up at the huge wolf towering above him as Jared's bloated testicles spasmed and unleashed another creamy cascade of spermy nut butter out into the world right into the doctor's face. The antelope's regal horns and long cervine face vanished in a flood of white that quickly coated him from head to hoof.

Jared blushed and gasped as he tried to contain himself, "I'm.... sorry... can't ... too full."

The doctor wiped his face of some of the thick semen, he didn't seem angry, more like bemused. He tossed his cum stained datapad onto the countertop and looked down at the massive pond of semen starting to slowly fill the room from wall to wall.

The antelope sniffed the seed on his hand and said, "Ah yes Mr. Arkrom. I see you received the maximum dose of virility booster in your augmentation package. I bit more than what you were expecting?"

Jared nodded before saying, "I like it... but doctor I can't release this much in my home. I need... something."

"Call me Mark. And yes many patients with ultra-class virility and potency augmentations have difficulty dealing with the productivity of their improved gonads. You will learn how to control your urges with time Mr.Arkrom. However there is only one thing that can help you sir, you should release often in order to progress your transformation, resisting your urges will only cause you unnecessary stress. The mod your took becomes stronger the more you cum, and the more sexual intercourse you have. You need to get to it so you can reach your maximum physical and sexual potential and begin the final acclimation process. Once you are as large and as sexually virile as the mod dicates the overwhelming breeding urges will become easier to control as your brain and body become conditioned to them."

Jared grunted as the thought of growing bigger and more virile aroused him even more, he said, " But... so much. The mess."

"We have just what you need sir. Please stand up and approach the monitors over there by the wall."

Jared slowly got up from the examination table. His balls felt so heavy, his massive thighs bulged from the effort of heaving his bloated quaking sperm banks. The steel table let out a groan as he did so. His dick was slinging cum all over the room as his balls refused to stop filling, he could feel every step in his prostate as the swollen semen soaked organ spasmed and throbbed, threatening to eject its contents at any moment. As he reached the end of the room the monitors near the station blinked to life. Jared blasted several of them with a thick coating of musky jizz but a small metal arm sprouted on top of the screen and deftly wiped the semen off the surface.

Mark said, "Please hold still while I set up your biometrics. This will only take a moment."

Jared didn't know if he could hold on for a moment, his knot was so engorged that it was purple. The ache in his testicles was so severe now that he struggled to comprehend if the sensation was pleasure or pain as his nerves were overloaded with signals. Mark grabbed a few sticky pads from the table and casually placed them on his nuts, wireless biomonitors most likely. The doctor placed one of the devices on the top of his swollen knot and the contact made the studly wolf yelp and spray the wall with another gallon or two of semen.

"Sorry about that. Now let's take care of business shall we?"

The doctor tapped on a few keys on the display panel near the wall and suddenly the cold white tile shifted and opened up. Out of the wall a large rubbery orifice of some kind slid out, the white soft material was supported by a thick metal shell. It was clearly some kinda of sex toy, a huge one hooked up to a large hose going to somewhere else in the facility. Jared felt his heart quicken as the round hole of the device started to ooze a small stream of thick clear lube of some kind.

Mark said, "Say hello to the Mark IIV hyperclass semen collection device. The best damn piece of ball draining equipment in the business. Multifunction customizable stimulation features, full temperature control, bioadaptive gel interior, high powered vacuum system, you name it this thing has it. Ah and it connected to the building's 30 thousand gallon semen tank. We are going to use it to measure your potency, it should also help you blow off some steam. Obviously."

Jared looked at the industrial sized sex toy with need. He wasted no time as he walked forward and probed the succulent hole of the fuck toy with the tip of his massive cock. He huffed at the sensation, the white glossy sleeve felt so similar to the real thing. The giant wolf felt the need to breed flare inside his mind and body. He grabbed the two handholds near the top of the machine and started to shove his meat inside it. Jared grunted in surprise and pleasure as the device happily accommodated his huge fuck stick, all two feet of it. In no time at all his massive melon sized knot was pressing against the entrance to the hole. The milker was gushing the clear lube at this point, so much in fact that his thighs were starting to become coated in the stuff. With one gentle flick of his hips the warm orifice expanded and swallowed his knot whole with a satisfying pop.

Jared's eyes were glazed with lust. His balls churned and clenched as the clear collection tube rapidly began filling with white wolf spunk. The immensity of his idle flow already was making the numbers of the monitor tick up.

Subject: Jared Arkrom

Gender: Male

Species: Wolf-dog hybrid

Height: 7 feet 2 inches

Weight: 499 pounds

Body fat percentage: 4 percent

.......... Calculating sexual chractheristics

Penis size: 29 inches long

Canine knot size: 8 inches diameter

Testicular size: 24 inches diameter

Semen production: 0.1 gallons per minute

Sperm density: 4 billion spermatozoa per ml

Extreme virility detected, extreme testosterone levels detected.... Automatic hyper class drain cycle activated... stand by.

The antelope pulled a chair up to the screen and started to take off his long lab coat. It was clear that the doctor wasn't wearing anything under his coat. Jared looked at him in confusion for a moment as he spotted his doctor's nakedness .

Mark said, "May I observe you in a more... casual manner ? This is my favorite part. But if you desire solitude that is also fine. Your choice sir."

The doctor wasn't wearing any underwear either and his above average 11 inch long cock was rock hard and bucking wildly against his flat stomach.

Jared was moaning from the feeling of the milker warming up his dick but he managed to say, "Umm... I don't know doc. I don't usually hang out with other males... like this.

To the wolf's surprise Mark suddenly went to his knees before saying, "Are you sure? I know how to work this machine better than anyone in the building. Also may I call you Alpha?"

Jared shivered at the doctor calling him that, and it wasn't a shiver of disgust. The very word made his heart beat harder and faster in his chest. He felt a heat start to boil inside his belly as he was unable to banish thoughts of breeding from his head. We wanted to fill his wife's belly with seed, he HAD to. Jared was gasping for breath, it felt like he wasn't getting enough oxygen as his knot inflated larger and larger inside the milker.

Mark smiled and said, "That right stud. You like that don't you? You want to get all of that thick creamy nasty jizz into a nice warm womb don't you? Dont lie to me. I'm a doctor after all."

Jared started to smash his hips into the milker, the need to thrust becoming unbearable. The milker gobbled up his dick flawlessly with every motion, no matter how fast or hard the fucked the thing the heated simulated flesh remained perfectly almost painfully tight.

The doctor walked up to Jared and casually placed his hand on the wolf's thick muscular thigh as if appraising it, he wasn't at all fearful of the huge fuck beast's wild motions as he tried to breed the milker.

Jared said to himself, "Hmmm wonderful development of the lower muscular-skeletal system. Extremely dense thighs, rounded and wide buttocks with prominent rear projection, tight core muscles. You are turning into quite the fuck machine aren't you sir? A big alpha male like you could probably fuck all night and not get fatigued in the slightest. And your transformation isn't nearly done."

Jared moaned as a particularly huge slug of semen gushed into the machine as if trying to punctuate the antelope's last sentence. The force of it caused the now opaque hose to shudder for a few seconds as it quickly worked to drain away the sudden influx of wolf spunk.

recalucating sexual chractheristics..

Penis size: 29 inches long

Canine knot size: 8 inches diameter

Testicular size: 24 inches diameter

~Semen production: 0.3 gallons per minute

~Sperm density: 5 billion spermatozoa per ml

Warning.... Virility increasing

Mark said, "Well would you look at that. That is quite the spike in only a few minutes. Such a healthy male you are becoming."

He smiled and clapped as he watched the numbers on the biomonitor slowly rise. The doctor seemed genuinely giddy, his previously calm dementor giving way to something much more whimsical.

He said, "Oh I haven't told you what kind of doctor I am yet. I'm a hyper virility specialist, I deal with the sexual health of enhanced males and males undergoing enhancement. I've drained some hyper sized balls in my decades, but yours are positively gorgeous."

Jared stopped sawing his cock into the milker for a moment as he felt the smaller males drop down between his legs, the horny doctor started to gently caress the wolf's nuts. He had never been touched by a male like this but Mark's hands clearly had the magic touch. Jared was loudly moaning and gushing into the milker before he could protest.

Mark said to the big wolf, "Does that feel good?"

Shaking with lust his fur starting to become soaked with sweat Jared could only say, "Ye... Yes... Don't stop.... Please."

The doctor did as he was told, he slowly but firmly pressed his hands into the firm flesh of Jared nuts as he squeezed the huge organs inside with expert skill. Every motion seemed to cause the wolf to spray jizz into the milker with increasing ferocity. Mark smiled and licked his lips in lust as he felt the huge balls before him thumm with pure virile power, squirm and pulse in his hands as they churned up more and more sperm by the second.

"Mr Arkrom. Your testicles are a marvel of modern bioengineering. The weight of them. The density of the sperm producing tissue is beyond anything I've ever seen or read about in the literature. Fuck... I can feel the sperm inside wiggling your sack... Stars, that is so hot.... Your need to breed must be insatiable right now. I can't even imagine."

Jared felt like something inside his mind was going to snap, he needed to fuck, he needed to breed. He needed to spill his reeking virile seed, at this point it didn't matter where exactly. He just needed to empty his system of its load.

"Doctor... please... step back... Let me breed."

Mark smiled and scooted backwards. He said, "Go ahead Alpha. Breed that thing hard. You can't break it. Let loose. It's what your body needs."

Jared slammed his hips into the milker with so much force the room shook from the impact. His knot made a wet popping sound over and over and it slid in and out of the warm fake pussy. Jared was gripping the handholds so hard that the metal started to groan and strain. His balls crashed against the metal casing of the milker with every thrust but it didn't seem to hurt him in the least, in fact the whole thing was ringing with the impact of his ultra dense nuts as if they were made of iron instead of flesh. The cum transfer tube bucked and pulsed as it was forced to drain more and more semen away to the storage tanks.

Mark looked over to the screens....

recalucating sexual chractheristics

~Penis size: 31 inches long

Canine knot size: 8 inches diameter

~Testicular size: 26 inches diameter

~Semen production: 0.8 gallons per minute

~Sperm density: 8 billion spermatozoa per ml

Warning.... Virility increasing, penis volume increasing, testicle size increasing...

Mark said, "Excellent progress sir. You're becoming more virile by the moment. But tell me.. Your wife is Mabel Arkrom, yes?"

The thought of his wife caused Jared to buck and slam his entire body at the milker. The room vibrated from the force of the huge wolf jamming his dick into the machine.

Jared was able to regain his composure enough to remember how to speak, "Yes... what about her?"

"We have her DNA on file. Would you like the biogel of the milker to smell more like her? I bet that would really get your engine going, yes?"

"You can do that?"

Mark started to type the commands into the keyboard before saying, "Absolutely, let's see how you like this."

At first Jared didn't smell anything different but after a few seconds the reek of Mabel's dragonic sex started to waff from the clear fluid dripping from the milker. Jared started to spasm and his eyes went wild. Thoughts of Mabel's divine nakedness filled his mind, he couldn't think anymore, he forgot his name, all he knew was that he loved her and that he NEEDED to breed her. Foam started to drool from Jared's maw as his knot pulsed so violently inside the machine that the flexible biogel flesh strained to contain it for the first time as it nearly doubled in size. It inflated so large that the outline of the huge knot rounded out the metal casing as it grew wider than the diameter of the entire device! The metal casing shattered at the end of the milker as it surrendered to his now pelvis breaking knot, the flexible biogel however stayed on his dick in its entirety, still sucking hungrily at the base of the penis slowly destroying it.

Mark gasped and said, "Holy fuck. Sir are you ok? Sir!"

Jared gripped the handholds for the last time as the thick metal crumbled in his fingers forcing him to hold onto what was left of the milker's partially shattered casing. Mark was sweating bullets from a mixture of fear and lust as he scanned the monitors rapidly.

!!!!!!!!! Extreme transformation in progress!!!!!!!!!!!!!!!

recalucating sexual chractheristics

~Penis size: 40 inches long

~Canine knot size: 20 inches diameter

~Testicular size: 32 inches diameter

~Semen production: 5 gallons per minute

~Sperm density: 25 billion spermatozoa per ml

Warning.... Virility increasing, penis volume increasing, testicle size increasing, knot inflating beyond norms, error...blood testosterone levels beyond maximum detectable concentration...

Warning.... body size increasing.....!!!!!!!!

Jared grunted, his voice gruff and so slurred as to be nearly impossible to understand, "Neeedddd fuck.... Pussy.... Mabel.... Love.... BREEEEEDDDD!"

Jared's dick grew longer and thicker inside the milker, the milker was mostly staying intact but his dog cock was approaching the maximum size limit of the machine. His knot already had wrecked the front end of the thing with its sudden expansion. Mark gulped as he watched the wolf's nuts swell larger and larger, gurgling and churning with a terrible, impossible virility. They swelled past his knees as their breeding ability kept improving endlessly. Jared felt the storm of sperm inside his nuts, his tubes, the inside of his cock, the hyper virile wigglers trying to fertilize anything and everything. They didn't stop until they passed the size of watermelons and reached the diameter of prize winning pumpkins!

The sounds of popping and snapping echoed in the room as Jared's spine lengthened, he gained inches of height every second. His shoulders grew wider and wider, emphasized by his narrow muscular waist and belly. Pounds of muscle bubbled out of nowhere as he grew. His fur became thicker and thicker, it was so lush that it almost concealed his growing muscles... almost. His biceps exploded in size, like cannonballs of power. His thighs inflated with muscle, becoming tree trunks of bloated perfection. His ass was a dome of muscle, it jutted out obscenely more than a foot behind him while somehow remaining masculine.

!!!!!!Revising profile!!!!!!

Subject: Jared Arkrom

Gender: Male

Species: Wolf-dog hybrid

~Height: 9 feet 10 inches

~Weight: 1129 pounds

~Body fat percentage: 1 percent

.......... Calculating sexual chractheristics

~Penis size: 42 inches long

~Canine knot size:26 inches diameter

~Testicular size: 36 inches diameter

~Semen production: 29 gallons per minute

~Sperm density: 100 billion spermatozoa per ml

Extreme virility detected, extreme testosterone levels detected.... Muscular density increasing, penis volume increasing, extreme semen production detected....

The antelope felt the air quality of the room nose dive as the reek of pure wolf musk radiated from the growing canine breeding breast like a wave. It almost caused him to fall to the floor, not because it was unpleasant but because it was so intense it made his eyes water and his nose feel like it was burning. Mark's nipples hardened, swelling to over an inch longer than normal, they throbbed as he felt the overwhelming need to worship. The reek of the dominant alone male was enough to all but emasculate him as he finally fell from his chair and bucked wildly on the floor, his asshole and nipples throbbing submissively as his body effectively forgot its sex in the face of such overwhelming maleness. Mark's asshole yawned open on its own accord as it throbbed with terrible, almostly painful emptiness, his entire colon started to spasm as it thirsted for wolf jizz. The only thing he wanted was to get fucked by the creator of such a divine smell, to be filled with his thick fertile seed and be content. No one was available to notice the biomonitors screaming in alarm...

!!!!!!!!! Extreme virility!!!!!!!!!!!!!!!

recalucating sexual chractheristics

~Penis size: 44 inches long

~Canine knot size: 28 inches diameter

~Testicular size: 40 inches diameter

~Semen production:80 gallons per minute

~Sperm density: 500 billion spermatozoa per ml

Estimated semen volume from orgasm: Error...

Jared howled so loud that half the building shook. His nuts were so huge that even with his increased height they nearly brushed the floor. They started to pulse and groan with the weight of the monstrous load within...

GRRROOOOOOOOAANANANNNNNN

Jared's eyes rolled into the back of his head as his balls roiled in his sack. The milkers metal casing explosively shattered as the bent groaning metal cried uncle in the face of his ascending canine dick. The biogel sleeve was now totally exposed, just a soft artificial leech choking on a dick far beyond its design limits of servicing. The hose was still connected, the soft rubber tube had swollen to twice its normal diameter as it kept trying to suck away just the idle flow from the wolf. It was beginning to fail....

Huge sheets of cement thick semen started to gush from the spasming entrance of the sleeve as it struggled to keep up with Jared's mind bogglingly potency. It hardly flowed at all, semi-solid chucks of squirming sperm piled at the wolf's feet, such was their vigor that they tried to fertilize their creator's fur and skin in vain, Jared could feel them tickle his paws and thighs. The smell was ... impossible. The entire room started to distort from the nearly toxic amount of musk erupting like a volatile wave from every speck of his jizz. His cum wasn't entirely solid though, it contained a clear suspension of slick musk leaden oily liquid that allowed it to slide around. It rapidly started to spread across the room after a few seconds of hardly moving.

Soon it reached the mind fucked doctor and started to slattter him in its thick hot embrace. The male analope's nipples grew even longer, turning into three inch long teats that were as rigid as a stiff dick. Mark's ass opened wider as it thirsted for wolf cum, as if detecting this Jared's semen flowed into the doctor's ass on its own accord and the musk affiliated male cooed in contentment as his intestines swelled with pounds of ultra thick semen. The doctor's belly started to fill out, soon so much cum was inside him that he looked like he had eaten a small exercise ball. Mark felt his stomach start to fill from the wrong way, he burped and moaned as he tasted Jared's cum on his tongue. His stomach churned and gurgled as it tried in vain to accommodate the semen filling it but it was a losing battle. Mark let out one last gurgle of unimaginable bliss before a fountain of sickeningly thick cum erupted from his mouth.

Just then Jared balls made landfall as they crashed down on the tile floor, their impossible weight cracking the tile floor instantly. Jared grabbed the ruined remnants of the semen milker and let out a roar. The biomonitors let out one final report before the system shut down

WARNING!!!! WARNING!!!! Virility unprecedented!

recalucating sexual chractheristics

~Penis size: 44 inches long

~Canine knot size: 30 inches diameter

~Testicular size: 48 inches diameter

~Semen production:359 gallons per minute

~Sperm density: 50 trillion spermatozoa per ml

~orgasm volume: property damage likely, semen containment insufficient!!!!!

SPERM CASCADE IN PROGRES!!!! SPERM CASCADE IN PROGRESS!!!!!

Alarms started to blare around the clinic as patients and staff alike ran about. Virility of this magnitude was very rare, but it did happen and the facility readied itself for a spermy catastrophe. Huge drains opened up in every room in preparation and some workers donned protective masks just in time.

A few seconds later Jared's cock exploded with so much semen that the collection tube swelled to nearly ten feet wide as it somehow accommodated Jared's mind bending load. The workers in the semen tank farm in the basement didn't know what was happening at first, they saw a massive bulge rocket into the four huge steel tanks instantly filling the 30 thousand gallon system to near capacity. Another larger sustained bulge formed in the tube a second later as Jared's balls let out a continuous tide of sperm into the poor milker circuit. The tanks instantly burst and the workers were washed out of the room in a mudslide of sperm, it was so thick that they were borne aloft by it, which was lucky as they all started to convulse in orgasm the moment the reeking musk of the wolf's load hit their noses.

Cum started to flood the lower levels, leaving most of the staff as horny wrecks cumming their brains out. It took nearly ten minutes for Jared to stop cumming and containment teams in airtight suits wandered about the place ankle or knee deep in squirming semen giving anti-aphrodisiacs to staff. Jared was nearly in a panic, he thought he was about to be kicked out or even arrested but the staff seem elated. The entire medical group kept trying to measure his balls and the fertility enhancement specialists gleefully collected huge clots of cum from his permanently drooling dick. Half the staff seemed to be inside the milker room now, and the other half were at the door taking turns gawking at him from the hallway.

The head of the clinic was a curvy female sheep named Clara. She said, "It's been a while since we encountered a male with such a positive reaction to one of our premium products! The data we have gathered from you is impossibly valuable."

The giant wolf blushed and said, "Oh well... thanks I guess. But now what am I going to do? How can I live if I'm bursting buildings with jizz every time I get horny?"

Clara said, "Well... we might be able to accommodate you and your wife at one of our... special resorts. We will provide you with a hyper safe environment free of charge. In exchange we can research the effects of your continuing transformation, and its effects on your wife. Free of charge of course."

Jared felt his balls ache and squirm in his sack, he was feeling the need to breed again despite having just flooded half the clinic with his orgasm ten minutes ago. What choice did he have now? He hoped Mabel would be alright with this arrangement.

"Ok, I'll have to call my wife to see if she is ok with this first though."

"Of course. We look forward to your visit if you do decide to go through with it."

Jared's nuts throbbed with fullness and his cock started to drool semen on the head of a rabbit medtech who was measuring his balls with a huge set of calipers. The rabbit looked up as his face vanished under a tide of dense jizz. His colleagues giggled at him while he tried to wipe away the thick semen from his face. Other members of staff were trying to lift his dick up in order to take measurements, it took nearly three of them to do so. They were all nearly thrown across the room as his dick suddenly jumped from the spike in his arousal.

"Fuck... sorry. I can't control it when they get full it just starts leaking.The sooner I get to this.. resort... the better I think."