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James is a 31 years old male. For the last four years, he has been working at the University of Minnesota working on finding a way to increase the fertility of wolves. He has a Ph.D. in genetics and a bachelor's in zoology. They are trying to reintroduce the gray wolf in the lower U. S. if things go as planned. They have a pack of wolves they are working with, in Northern Minnesota. The researchers are trying to increase the fertility of the wolves that are in the large outdoor enclosure. The wolves in these enclosures are set to be released into Colorado. Normally human interaction is limited but due to the reintroduction of wolves into Colorado, the university is trying to increase fertility in the wolves for better success.

James has been working on this for a little over a year and is ready to give one male and one female their fifth and final dose of a serum that shows promise in rats. The serum mixed female wolf DNA with a bit of female human DNA to try and get the female to have heat cycles more often. While another serum mixed male wolf DNA and male human DNA to raise male wolf testosterone and increase semen production. Each wolf is tranquilized and put into separate crates while in the research faculty. (Even though James created most of the serum he didn't know about the catalyst that was added to make it effective.)

James was running late. The wolves were sleeping while waiting for examination and their 5th shot. Weighting the female wolf he noticed that she was heavier than she was a week ago. He rubbed his hand along her belly and felt that her teats were starting to fill out. He pulled out his voice recorder to take notes. He turns it on.

"Date 21 of November 2021," James said. "Subject Aurora-19752 3-year-old black female wolf seems to have gotten pregnant outside of the normal heat cycle. She needs an x-ray to confirm." He pulls out a tape measurer and starts measuring Aurora. Aurora measures 164cm (64.5 inches) in length up from 137cm (53.9 inches) from the start of the experiment. She is 107cm (42.1 inches) at shoulder height up from 80cm (31.4 inches). Current weight is 56kg (123lbs) up from 37.3 (82.2lbs)"

James stops the recorder and looks at his note from previous exams. He texts his assistant to come and take the subject Aurora-19752 in for an x-ray. In walks, a beautiful blond standing 5'8" blue eyes, in black skirt and light blue blouse. On top, she was wearing a white lab coat with a badge attached to a pocket, on it that read Olivia. She just got back from visiting family and has not seen the wolves for 4 weeks.

"Wow!" Olivia said as she walked only seeing the top of the wolf laying down. "Did Apollo grow?"

"This isn't Apollo," James replied. "This is Aurora"

"No way she got that big," Olivia said in disbelief. "Did you change the serum?"

"No we gave the same serum except for the one for females," James said. "You should see Apollo he's much larger. Anyways the reason I need x-rays is that Aurora's teats are filling out and want to make sure she's pregnant and not just a side effect."

Both Olivia and James carefully roll the female over to a table on rollers. Once Aurora is on the table she is rolled off to x-ray. James looks in Apollo's crate to see if he is still sleeping. He rolled the crate over to the exam table. He lowers the exam table and resets the built-in scale. Once the table was lowered he opened up the side of the crate, the male wolf's back facing him. He reaches over and grabs both sets of paws and rolls him onto the table. He pulls him the rest of the way out of the crate. When this experiment first started this was an easy task to do by himself but since the side effect of the serum made the wolf bigger he struggled with this. Once Apollo was full on the table he pushed the crate away and raised the exam table. He turns his voice recorder again.

"Date 21 of November 2021," James said. "Subject Apollo-19871 4-year-old white male wolf. He measures 189cm (74.4 inches) in length up from 160cm (63 inches) at the start of the experiment. Height to shoulder measures 127cm (50 inches) up from 90cm (35.4 inches). His weight is at 87kg (191.8lbs) up from 42Kg (92.6lbs) from the start of the experiment.

James moves down to examine Apollo's reproduction organs. He measures the sheath of the wolf. "The sheath on Subject Apollo-19871 measures 31cm (12.2 inches) up from 17cm (6.7 inches) at the start of the experiment. A white discharge is coming from his penis. Will take a sample. His testicles look to be the size of baseballs" James wasn't paying attention and started to measure the wolf's testicles when Apollo curled up and bit his left hand.

"God damnit!" James yelled. "Fuck!"

James ran over the cabinet and pulled out a tranquilizer gun. He loaded a dart into and quickly aimed at the wolf's butt and fired. The wolf was still groggy and didn't move much. Within seconds of the dart hitting Apollo, he was back out. James walked over to the first aid kit. He was dripping blood everywhere. He pulled out sterile gauze and wrapped his hand in it. He then took the adhesive tape to wrap over the gauze. He grabbed a cotton swab and a test tube vial and walked back over to the wolf. He poke the wolf's head and stomach to make sure he was out again. The wolf didn't respond. He swabbed the discharge from the wolf's penis and put it in the vial and sealed it. He sets the sample in his outbox for testing.

James called in back up to put Apollo back in his crate and to move him back to his enclosure. He grabs a tranquilizer gun and a dart and heads for the x-ray room. Aurora was awake too. He loaded the dart into the gun and shot her. The female wolf passed out. James looked down on the floor and saw a drop of blood. He walked into the secure room where the technician stands when taking x-rays.

"Olivia are you ok?" James asked.

"Yeah, I am fine," Olivia replied. " Aurora woke up and tried to move while I was getting ready to move her. She scratched me but it only got deep enough to bleed just a little. She was groggy and started licking the wound. The good news is that she is pregnant and it looks to be 10 pups, which is above normal"

"That's great. Apollo woke up and bit me when I was measuring him," James said as he held up his left hand. "I should have checked before I moved to his reproduction organs."

James and Olivia had to fill out incident reports for the bite and scratches. They were both told to go home take the rest of today off and tomorrow. They need to call in if the wounds become infected or anything else. They both were confused but were glad to have a 3 day weekend. They walked to their cars.

"Why do you think they gave us the day off?" Olivia asked.

"I don't know. I know dog bites can cause some infections however I know the wolves are clear of anything that could harm us," James answered. "Everything in serum is safe to use in humans so there shouldn't be anything to worry about. Don't look a gift horse in the mouth."

They both wished each other a happy weekend and got into their cars. James was heading home to rest. For some reason, he already felt tired. He pulls into his garage. He opens his car door to get out. As he stood up he felts a bit dizzy. He shuts the car door then the garage door and heads inside. He walked to his room, stripping his clothes along the way.

"Man it's hot," James said to himself.

He reached the thermostat and turned on the AC. By the time he got to his bed, he wasn't thinking straight. All he had was his boxer left on and his cell phone in his right hand. By the time he hit the bed, he was out.

James woke up. He looked at his phone seeing that it was almost dead. It was 4:32 pm on Saturday. He double-checked.

"Damn!" he said to himself. "I was out for about 50 hours"

James unwrapped his hand. It doesn't hurt. Looking at it he sees that it has already healed only leaving behind a scar. He gets up and stretches. He heads to the bathroom, walks to the shower, reaches in, and turns on the water. While waiting for the shower to get nice and hot he looks at himself in the mirror. His beard has grown out but something else seemed off and couldn't figure out what. He walked into the shower and got in.

"That's odd," James thought. "One of my roommates must have used my shower." He adjusted the showerhead back above his head. He started washing his hair and worked his way down his body. He got down to his crotch and just barely brushed it with his hand and felt tremendous pleasure. He touches it again and moans in pleasure. He was limp but his cock was as if someone had a bucket of ice water thrown on him. He grabs his cock and looks at it but touching it sends pleasure through his cock and his whole body. He put his hand around his cock and started stroking it, sending pleasure through his whole body. He grabs his body wash and pours it in his right hand to use it as lube stroking his cock. He drops the body wash and uses his left hand to massage his balls while using his right hand stroking his cock fast. James moans out loud in pleasure. His hand was traveling further as he was stroking his cock.

"Awooooooooo" James unintentionally howl as his seed blasts, through the water from the showerhead, on the opposite shower wall. It lasted for a minute for the stream of cum was just dripping from the tip of his cock. He slides down the wall until he is sitting on the floor of the shower. He compared his hand to the size of his cock. His cock has grown.

"My cock is normally 18cm (7 inches) but now it's about 27cm (10.6 inches)" James said, taking mental note of himself. The researcher in him was curious. He felt his balls and they seemed bigger. "Normally my testicles would weigh about 40 grams but they seem to be about 80 grams."

James wraps a towel around his waist and heads to his room and grabs a notebook and starts writing down all the information. He begins to think about what could cause this and all he could think of was the bite from the wolf. He measured his height and weight.

" I was 176cm (5'9") and now I am standing at 183cm (6'0")," James mumbled to himself. "My weight was 90.7kg (200lbs) but now 125kg (275.5lbs). I gain more weight than height but my stomach is flatter." He feels his stomach and feels that start of abs forming. "I lost fat but gained muscles," He wrote all this down.

James throws off his towel and grabs his clothes try to put them on but they were all too small. He runs to his roommate's room and grabs clothes from him as his roommate is still a bit taller than him. He would have asked to borrow the clothes but he was out of town for the holidays. He grabs a pair of dress pants and a button-up shirt. He runs back to his room, grabs his badge, wallet, keys, and lab coat, then heads to his lab.

He gets to the lab and grabs a few vials of the serum out of the fridge. He grabs 8 vials of each serum, grabs his lunch box, he left leaving early, and heads home. Security was short on the weekend as the campus police mostly work weekdays and sporting events. He gets into his car and drives home. He put the serum in the fridge. He has to go to the garage and grab the mini-fridge he keeps beer in and moves it to his bedroom.

After a couple of trips to the hardware store, he now has a new lock on his bedroom door to prevent his roommate from walking in whenever. The fridge has cooled down enough to move the serum into the mini-fridge. James grabs one of his needles for his insulin and grabs a vial of male serum. He put the needle in and loaded it up with serum.

"Once you do this there is no going back," James told himself. He pushed the needle into his thigh and waited. Nothing happened. James went downstairs to get something to eat. He didn't feel like cooking so he pulled out his phone and ordered 5 large meat lover's pizzas. James went to sit in the living room and waited. He passes out, dreaming of running through the forest.

James awakes when the doorbell goes. He gets up and looks outside. It is the pizza delivery driver, James answers the door, signs the slip and takes the pizza, and sets it on the coffee table. He opens up the first box, takes a slice, and eats it while scrolling thru Facebook on his phone. He grabs another piece of pizza and continues to go through Facebook. Twenty minutes late he is catching up and Twitter and goes to grab another piece of pizza. He couldn't find it without looking so he put his phone down only to see that he had already eaten all five pizzas. He was still hungry.

"Damn I feel like I am still starving," He said disappointedly. James scrolls through the food delivery app to see what else he can get delivered. As he was scrolling he found a steakhouse and ordered 16oz prime rib, 23oz porterhouse T-bone, 16oz FT Worth ribeye, 20oz bone-in ribeye, full slab ribs, and a 12oz NY strip. He checks out before he realizes that he spent about $150 in food alone. He lay on the couch in the living room and passed out while waiting for the food.

About an hour later James awoke to the smell of his food. This was a new sensation as the delivery driver was just getting out of her car. He can tell it was a young female delivering his food. He went to get up and noticed that his clothes were small on him again. His pants were strained as he was pitching a tent. He didn't want to answer the door however he didn't have a choice. Just as the doorbell rang he opened the door. He looked down at the delivery driver as she was looking at his crotch.

"I am sorry" He apologized, as reaching into his tight pants pulls out an extra $30 bucks. She handed him the food and he handed over the tip. She then hands him a piece of paper.

"What's this?" James asked.

"My number" she replied before turning and leaving.

James took the food and went to the dining room. He picked up the steak just using his hand to eat it. The rareness of the meet was amazing. He couldn't get enough as he went through and ate all the meat without touching the sides. He was disappointed when he realized he had been chewing on the bone of the T-bone. He looked around and saw the meat was all gone. He packed up the sides that remained and put them in the fridge.

James went to his bedroom. He stripped down to nothing. The clothes were so tight on him. He looked down to see his cock sticking straight out. He walks into the bathroom and goes into the medicine cabinet and grabs a condom. He wasn't going to waste this round of a sample. He opened up the condom unrolled it about a half inches before putting it on his cock and unrolling the rest. He looked in the mirror and could tell his dick and balls were bigger than they were this morning. Fine hair was slowly appearing on his chest and down to his crotch. He slowly started stroking his cock moaning in pleasure as he walked to his bed and lay down. His hand was traveling further with each stroke of his cock. His thumb would rub the head of his cock as he reach the top before slowly moving down to the base. He was biting his bottom lip while moving his other hand down to rub his balls as they seem to be getting fuller. He could feel the veins along his shaft. The base seems to be getting a little thicker at the base. His balls swelled to the size of baseballs and massaging them makes him moan louder. He tighten his grip on his shaft as he stroked his poll faster and faster until he felt his balls tighten.

"Awooooooooo" James howls, as he released his load into the condom. He cums for about 15 minutes. He lays there out of breath. He sits up and pulls the condom off. He was surprised by how much of his seed was in the condom. The condom looked like it was holding a softball of cum. He ties it off and sets it aside. He grabs a tape measurer and measures his dick. It is now 32cm (12.6inches) long and 15cm (6inches) in circumference.

"Huh," he thought to himself, "my dick looks a bit different other than the size." He writes this in his notebook. He goes to his home office where he keeps a few beakers and grabs one. He cuts the tip off the condom and pours it in. It almost reached the top of the 500ml beaker it stops at about 478 ml (2.0 cups). He writes it down. He sniffed the semen, without thinking he picks it up and drinks it. James puts the beaker back down.

"Why the fuck did I just do that," James yelled at himself. "It wasn't bad, it was a bit salty however it doesn't smell like normal human semen."

James heads to his bed and grabs his phone; he orders some new clothes and shoes as he has outgrown everything. He plugs his phone in and falls asleep. The next day James slept most of Sunday. He got up to eat, used the restroom, and injected himself with the serum. Instead of doing it once a week, he decided to do it twice a day, every day.

On Monday James for the first half of the day off as he was waiting for his new clothes. While waiting he measured everything. He seems to not change any more other than his hair seems to be growing faster. He now has a full beard and his hair was getting long. Normally he would shave his body hair but it seems to be getting out of control. He notices gray and white hair here and there prior but it seems his pubs have grown back quickly and are all white now. His beard and hair on his head have more white in them. He shaved his beard so he doesn't look like a savage.

He heard the doorbell and went to see who it was. It was his new clothes. He grabbed the big box, took it to his bedroom, and got dressed. He grabbed everything he needed for work. He grabbed a vile of the serum from his mini-fridge and injected himself. He returned it to the fridge. On the way out he locked his bedroom to keep anyone out. He got into his car and had to adjust the seats and mirrors.

He arrived at work and a few people complimented him on looking good and asked if he lost weight. He replied with "something like that" and moved on. The only one who noticed something was completely off about James was Olivia.

"What happened to you?" Olivia asked.

"What do you mean?" James questioned.

"Are you telling me that you haven't noticed you've grown about 3 inches over the weekend?" Olivia asked.

"Yeah, I don't know what happened" James lied. He was getting turned on but Olivia scent. "I woke up Saturday and none of my clothes would fit"

"You didn't notice anything Friday?" she asked.

"When I got home Thursday I passed out and didn't wake till Saturday afternoon," James said as he tried to hide his erection by buttoning up his lab coat.

"When I got home," Olivia stated, "I was up for a couple of hours before I passed out on the couch. I didn't wake up until Saturday morning."

"I have an idea on what may be going on but I don't want to talk about it here," James whispered. "Do you want to come over after work and we can talk about it?"

"If you insist," Olivia replied. "I have an appointment and am taking the rest of the day off. I'll be by your place around 4:30."

James spent the rest of the day going over all the notes for his serum, trying to figure out what is causing these effects on him. He looked at the logs and noticed that before manufacturing, his boss had double-checked everything. If he doubled the formula then there shouldn't be as many vials of the serum as was created. There should have only been 20 vials total however there were 28. He double-checked the lab fridge and there were 20 full veils of each serum. The system only showed 20 but he had stolen 8 of each and had them at home and the other 4 were given to the wolves.

It was time to go home. There wasn't much he could say or ask questions about unless he wanted to get in fired for stealing the serum. He gets home and cleans up and orders food for guests tonight. At 4:30 Olivia shows up and rings the doorbell. He knew she was here as his erection from earlier in the day returned when he smelled her getting out of the car.

"Come in," James said as he held the door open. "Let me take your coat." He takes his coat and hangs it up. " I took the liberty of ordering your favorite meal from the steakhouse." He knew this for business lunches they held there often.

"Thanks," She said, giving him a weird look. "Didn't you shave this morning?"

"Yes," he replied, "it's part of what I think happened."

They sat down to eat; they both were eating the steaks with their hands. They looked at each other when they realized what they were doing. Both finished eating quickly so it would be easier to talk. It was getting dark outside. They moved to the living room. Olivia sat on the couch while James sat in a recliner.

"So believe it or not I think the serum not only affects wolves but it affects humans," James said.

"What do you mean and how do you know?" she asked, confused.

"You recalled I was bitten by Apollo last week?" James questioned.

"Yes," she replied.

"When I got home after the bite I passed out," he said while trying to hide his raging erection. He goes on and explains everything that has happened since the bite except stealing the vials and injecting himself with the serum.

"So I believe that the serum we been given to the wolves was somehow passed on to me when I was bitten," James said. As he was about to finish up an intense pain in his stomach had him bending over in pain. James started screaming in pain, his back arching unnaturally as his shirt was getting tight.

Olivia got up to go over and help James, however, she felt extremely dizzy and had to sit back down. James bent over on his knees crying in pain. He moves his hands to his face holding it as it starts to change shapes, eyes starting darting around in its socket as it slowly changes the iris from green to a golden yellow. His nose was stretching out from his face while cracking and popping noise could be heard. It felt like his mouth was getting pulled away from his head. His jaw jutted out and moved slowly up with his nose stretching out with it, as James's body moved on all fours. His hair started to vanish while new white fur replaced his hair and covered his muzzle and it kept growing. His teeth in his muzzles started sharpening. It came with a long canine fang sticking out of his mouth and a new set of sharp teeth forming along his muzzle. Hair was turning white and now covered every part of his face. His ear turned pointed and moved to the top of his head.

His shoulder broaden out as muscle exploded on his body. His torso extended and widened as his arms got longer. Muscles just piled up as the white fur continued spreading. Crying out in growls and howls, his joints were popping and moving as the bones grew. His finger grew longer as his fingernails sharpened and turned into black claws. Paw pad formed on the tip of each finger and in the middle of each palm. His pectorals grew larger as an 8 pack of abs burgled from his stomach. At the base of his spine, a nub began to push out it stretching out till it was five feet long. The fur rushed down his chest and back. It spread and fluffed up his newly formed tail while on the front side it spread to his volleyball-sized testicles. A fourteen inched skin tub formed around his cock followed but the white fur covered it. His cock was erect and changing shape as the head became a tapered point leading down to a wider 21 inches shaft while veins appeared along the shaft. At the base of this shaft was a knot that looked as if someone glued 2 tennis balls to it. His hips grew wider as his legs stretched further behind him. Muscle continued to grow down his feet stretching as his toenails turned into black claws and black paw pads formed on the bottom of his feet.

The wolf gets to his feet, hitting his head on the 9-foot ceiling. The beast Hughes over to prevent hitting his head on the ceiling. He sniffs the air before turning toward Olivia. He now knew why he kept getting an erection while Olivia was around. She was giving off the pheromones of a wolf in heat.

Olivia, still a human, was topless. The blouse and bra she was wearing were on the floor. Her breasts had expanded from A cups to C cups. She looked at the beast in front of her with hungry eyes. She walks over to the beast and rubs her hand down his abs. She see how thick and hot the werewolf in front of her was and couldn't resist touching his throbbing cock.

James lets out a moan as Olivia takes both her hands and puts them around the large girthy cock. See take the tip and put it in her mouth taking in the pre that the red cock was leaking. James pushed Olivia down on her back. He uses one of his claws to cut off the skirt and panties she was wearing. He places his nose between her legs and sniffs. This was to send signals to his brain to mate with her however he knew that his cock wouldn't fit into her in this form. He sticks his tongue into her pussy pushing as deep as he could go.

Olivia moans out and is pleased as she's never felt something so deep in her. The wolf kept licking, testing to see how deep he could go. His cock was drooling all over the carpet. Moaning in pleasure as Olivia organism just from the wolf's tongue being in her. The beast tried to lap up all the juices he could before standing up.

The wolf placed the tip of his penis in between the breast of Olivia. He began thrusting back and forth dragging his volleyball size nuts across her stomach. The 21 inches of his shaft going between her breasts felt amazing. He would thrust the cock forward and stop once the knot was up against Olivia's breast and pull back the 21 inches of the shaft. As he was fucking the boobs he was leaking more and more precum all over her chest and face. She laid there panting as more and more pre dripped into her mouth.

Olivia place her hands on the wolf's thick meaty cock to help stroke and aim it so all the seed would land on her face and in her mouth. The wolf rocked back and forth as the knot swelled double in size. James was losing all sense and awareness as the wolf stopped humping the breast and decided that his dick needed a tight hole to go into he changed to face the other way. He sticks the tip of his cock into her mouth. He pushes in just a couple of inches before pulling out and pushing in deeper, groaning and moaning.

Oliva has to think quickly before he tried to stick his whole cock into her mouth. She was enjoying this but there is no way he could get the whole cock in her mouth without killing her. She reaches up and presses on his knot, just as the tip of his cock hits the back of her throat, causing the werewolf to howl and release his load. A torrent of wolf seed flows into her mouth down her throat and into her stomach, as some flowed out of her mouth and down the side of her face. Her stomach slowly stretched out as she is filled with cum. The wolf finished cumming and turned around with his cock still drooling a little. He lays down and nuzzles into Oliva's breast.