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"Man... I REALLY don't think I'm getting paid enough to do this!" Peter chuckled, glancing over from his computer in order to check the progress being made on his latest task. Alongside an old friend of his, Eli, the two of them had been hired to create a subject that would be featured at a new incarnation of Jurassic World. The two had been hesitant, given a few of the incidents that had happened in the past, but the promise of a good paycheck, among other things, was enough to win them both over.

"You think? I feel like we've been trying to tweak this thing for months!" Eli added, checking his research notes. "Then again, to be fair, you haven't exactly told me just what it is we've been working on these past few days!"

"Well the higher-ups wanted something big and impressive to open up with, so I thought about it for a little bit, and the perfect idea came to mind!"

"Let me guess, a T-Rex-sized raptor?" Eli chimed in.

"Were you reading my secret notes again?" He shot Eli a soft glare. "That WAS an idea, but I decided against it, just in case things went to hell. If one of those got loose, there probably wouldn't be much left of the crowd afterwards!"

"True, true... what DID you go with, then?"

"Call me crazy if you want, but I thought I'd try and make a new version of the Indominus Rex!" He beamed proudly.

"You what?" Eli's jaw dropped. "Are you kidding, you know what happened the first time they tried that!"

"All too well, but I've tried making a few tweaks to the genome, if it'll work or not, I have ZERO clue!"

"A 'few' tweaks... like what?"

"I changed a few of the values, added a little bit of human to the mix - if it works out well, it should hopefully be a lot less aggressive and HOPEFULLY not go on a murderous rampage like the first one!"

"I see... well, if something goes wrong, it'll be our heads on the chopping block!" Eli looked over the genetic coding, giving it a thorough examination before they authorised the machine to start putting together the new genome into a test tube. "The sequencing looks pretty sound, so who knows, maybe it'll work out great!"

"I'd honestly be surprised if it didn't, I've spent the last few nights trying to work on this by myself, applying all the changes and making sure everything clicked into place. All that's left is to finish creating the genome and then it's good to present to the higher-ups!"

The two of them watched as the machine generated the genome within the liquid-filled tube, the silver-haired youth watching eagerly as it did so. If this came out perfect, he knew they'd be in line for a big payout.

The machine itself, however, hadn't undergone proper maintenance in a while and was starting to strain, just beyond the notice of the two working at it. The company either didn't know, or didn't consider it worth fixing. After a few minutes more, Peter noticed the sounds of grinding and glass starting to fracture under stress as pressure built up inside, causing alarms to blare, but by then, it was already too late. With the sound of shattering glass, the test tube broke and Peter took a full faceful of the genetic stuff.

"Pfft, urk!" Peter gasped, wiping some of the mess away from his face. "What the hell happened there?"

"I'm gonna go out on a limb and guess that these machines haven't been maintained in a while..." Eli pondered aloud. "Either that or the DNA combining process for such a complex creature was too much for the machine to cope with, both of them are kinda plausible options!"

"Great, HR's gonna be up my a-rrrrghghhhhhhh...!" Peter had been pissed about the two of them being blamed for it, but before he could even finish his sentence, he let out a low, predatory growl as his cock went immediately hard inside of his pants, eyes focused on Eli with an intensity that gave his friend more than a little pause, as he saw a bloodlust in them that didn't seem human. "Mrrghhhhhhhhh..." He huffed, starting to idly stroke his erect member right then and there.

"Er, Peter?" Eli stared. "What are you doing?"

"Rrghh..mmrgghh..." He wanted to answer, but he couldn't get the words to leave his mouth. He just continued to stroke himself through his pants, feeling the pressure building up, all the while eying Eli as if he was a walking piece of meat. The thoughts grew steadily more intense, human reasoning pushed aside by animal instinct - in this case, a highly dangerous animal.

"Rrrrhhhhggggg...mmrrrggghhhhh...!" He growled and huffed as his humanity was pushed aside, or in some cases, outright corrupted, by the animal building up from within. He was both horny and hungry, and for the moment his thoughts extended no further than those two mental bullet points. And once his arousal was sated, there was little question that he would then attempt to sate the other.

"RrrghhhhhhhrrrrRRRRRAAAAAARRRHHHHHHHHHHHHHHHHHHHHH!" Peter's growls soon escalated into a full on saurian roar as his pumping reached a fever pitch and he came hard inside of his pants, expelling his human seed for the last time as the dinosaur fully took hold of him.

"Holy fuck!" Eli covered his ears, the roar almost deafening at that close proximity. He didn't know what was going on with his friend, but he was starting to figure out just what was causing it as his eyes shifted between his friend and the broken machine. "Peter... are you in there?"

Another growl was all he got in return as he watched Peter's eyes turn reptilian, the sclera resembling nothing human and his pupils pulling into narrow reptilian slits. Eli didn't need much further invitation to run as he could easily see Peter's teeth starting to mutate into thick, brutal saurian fangs, their sharpness easily enough to rend his flesh even at this early stage. The lab was big, but there were only so many places he could go, and with it on lockdown, Peter would catch up to him eventually.

"Rrrggh...rrurrhghrhrhhrhhhahaha..." Peter seemed to chuckle, licking his lips as he started to advance towards Eli. His blood-red eyes stared intently at his prey, his shaft still standing at full attention despite his recent release. From what Eli could gather, it looked like Peter - or whatever was in control right now - was enjoying the thought of devouring him just a little too much.

"This... this is messed up..." Eli started to slowly back away - before too long, he knew just what he'd be staring down, and all he could do was hope he might get enough distance between him and his friend before he developed further and gained the abilities of the beast whose DNA was rewriting Peter's.

Eli soon broke into a run, throwing whatever he could into Peter's path, though his friend was showing some major agility that he hadn't previously. But he wasn't going to let himself get eaten - if there was any of Peter left in there, he hoped that maybe his friend could fight through whatever was keeping him from taking back control. He didn't quite see where he was running as a particularly loud growl of hunger distracted him, and ran into one of the other work stations, where one of the other shifts had been working on pheromones to help lure the I-Rex to and from places in the event that other methods didn't work.

"Ack!" He winced as he bumped his side against the table, knocking over a large vial of pheromones that splashed against his torso. Out of the corner of his eye, he glanced at the label on the bottle. "Oh come on, really?!" He started to run again. He was tempted to throw off his clothes, but knowing the pheromones had soaked through the fabric and hit his skin, all it would probably do at the very least was distract him, probably not for long enough to make a proper escape.

This seemed to have an impact on Peter, though he was still chasing Eli, the sounds coming out of his mouth changed. There was much less thirst for blood in them, replaced by a thirst for something else entirely, his increasingly tattered pants looking even more tented. He began to chase Eli all the more agilely as his eyes were firmly locked onto the human's ass.

"...oh shit."

"RrrraarAAARRRHHHHHH!!" He bellowed, hissing as he picked up the pace, seeming to stumble as he felt his shoes growing tighter, throwing him off. He had to pause for a moment as he tried to remove the trappings that were impeding his movements, Eli only stopping when he had gotten a considerable lead, but his curiosity got the better of him as he looked back at his friend.

He could both see and hear the fabric straining as Peter's feet rapidly began to grow larger, his nails splitting apart to reveal thick, cruelly curved talons as they rent the fabric, tough grey scales replacing his human skin with a rapid pace that suggested that the DNA mutations were starting to impact his physical form in addition to his psychology. With an annoyed growl, Peter kicked the shoes away, his stance changing as his increasingly saurian feet went digitigrade, the lab no longer as much of an obstacle as it had been moments before.

"Crap, he's faster now!" Eli gulped, trying to keep the distance he had built between him and his friend, but the change in stance and speed meant it didn't take Peter too long to close the gap, his new talons clicking against the floor. Eli went to take another turn, but his feet gave out from underneath him, causing him to crash into a nearby table. "Oooow, shit..." He winced.

He watched as Peter got closer, his pants shredding as the scales grew up his legs, giving him inhumanly strong muscles and a stamina that Eli knew he wouldn't be able to beat even if he could get up without his head spinning at the moment. With his friend's mutation, there was no way he could count on the lockdown lifting in time for him to bail out and hope whatever was going on could be fixed. Still, he had to try.

"Hey, uh, Peter? You in there, bud?"

"Rrrrggh...rrraaaaarrrrhhh..." He hissed and snarled, stepping closer towards Eli. His shorts were struggling to hang on against his scaly, muscled thighs, the front being stretched to their absolute limits as his hands tugged at Eli's shirt, tugging at it. He was able to tear it off partially with minimal effort, leaving several holes and gashes in it as his hands moved lower, clawing against Eli's rump.

Being fucked by his friend turning into a dinosaur was not something Eli had anticipated when he woke up that morning, and strangely enough, he wasn't as opposed to the idea as he thought he'd be. He just wanted to know that Peter was still in there somewhere. He was still shredding Eli's clothing, growling as the scales climbed up his hips, giving them considerable muscle tone, his shaft pressed against Eli's rump.

His hands eventually tore through Eli's shorts, pulling them down and leaving his ass fully exposed. The changing human licked his lips, a lustful growl leaving his mouth as he wasted little time, driving his erect spear hard into Eli's ass, eliciting a loud yelp from the man.

As Peter pushed in and began thrusting, his balls began to swell larger and heavier in their scaled sac, his shaft began to likewise grow longer and thicker, its shape becoming less and less human by the moment, a knot growing in at the base as a slit opened up to protect it once it wasn't being used to screw his friend. Peter's eyes rolled back into their sockets as he did so, the pleasure increasing immeasurably.

"Grrrhhhhh....!~"

"Gh.. hrggh..." Eli winced, trying to take it all in, but feeling that rod growing bigger inside of him was proving to be a bit much, especially with that huge knot. Still, it beat the alternative, so there was that to be thankful for.

"Grrrhh.. Mmrrggh.... Sooo gooood~" Peter's growls shifted back into audible speech, a look of relief crossing Eli's face.

"Y-you're still here...!" Eli huffed as Peter kept thrusting in, not relenting for a moment as the scales continued their climb up his groin, his chest broadening from the hips up, abs pulling, one by one, into a rock hard six-pack under the thick scales starting to coat his chest. The transforming man felt so fucking good, groaning and growling. "Eli, this feels so fucking good! Rrrrghhh... I'm so STRONG... so damned horny....~ And soon you will be too...!" He grunted, the mutations continuing to warp his body.

"What do you mean by that?" Eli asked, watching as Peter grasped at his top with one hand, tearing it clean off so that his scaly muscles were on display. Peter's pectorals broadened further, his chest barrelling slightly, drawing out another low moan, his voice growing deeper as the scales moved towards his arms, the biceps slowly ballooning in size, raw, primal power filling them - Peter felt like he could tear something apart if he wanted to, and those thoughts were driving him wild. Eli felt Peter's hand move back to his side, moving slowly towards his crotch.

"Mrrghhh... it's feeling better with every... rrgghhhhh..." His voice deepened as he spoke, dropping to a bass growl. "...second... trrrrust me, Eli... you'll want this as much as I do!" He huffed as he kept thrusting in, his ass becoming muscular as a thick, muscular tail grew out above it, bit by bit, the new nerves driving the changing man wild as his mutagenic pre seeped into Eli's ass. He didn't want to be human anymore, not if it felt this good. His thoughts becoming bestial and cunning.

"Grrrrgghh, fuuuuuuuuck yeeaaaaaahhhhhh!!!" He snarled through gritted fangs, his hands gripping Eli harder, causing him to squirm in discomfort a little, especially when one of those hands went for Eli's cock. As he grasped it, the scales worked their way down his arms, the muscles growing underneath them, the palms of his hands becoming much rougher whilst the nails on his fingertips split, deadly, curving claws sprouting from them, pressed teasingly against Eli's shaft.

Despite the lethality of the claws, Peter was surprisingly careful to not injure Eli with them, the human's shaft trembling as pre began to leak from it. Peter's thrusts were picking up pace, injecting Eli more and more of the mutagen began to bond to the man's DNA. It wasn't as immediate as direct exposure, but Peter knew that once he came, Eli would start to shift. Yes, all humans would embrace this gift... he hilted his friend, growling in arousal at the thought of his friend growing scales and joining him.

"Rrrgghh... you're taking this really well~" Peter teased, starting to thrust the knot in, causing Eli to grunt and groan in response. The scales were making their final advance up Peter's head, his silver hair falling out in clumps, spiky spines growing outwards as if to replace them, his ears shrinking away into tiny holes in the sides of his head. "Just imagine when you get to do this to humans willing to join our cause~" He whispered into Eli's ear.

"Mmfff... th-that sounds fun..." Eli moaned, spurts of his seed hitting the ground as Peter's neck widened and his face began to push out into a broad saurian muzzle, his fangs seeming to extend even further, becoming larger and more numerous now that they had a proper home to reside in. His tongue grew as well, his new nostrils huffing the scent around them, of Eli's arousal and his impending change. To cap it all off, his eyes moved to new positions, leaving Peter fully an I-Rex from top to bottom.

"Rrrghhhh...yessss....soon we'll purge you of your humanity~"

Peter's stomach rumbled loudly - the urge to feast was starting to return, but he had to hold off for just a little longer - there'd be plenty of scientists to eat if they weren't willing to join their cause, after all. His eyes seemed to glow, the inhuman thoughts, desires and malice of the beast mixing in with his own intelligence - perhaps an intended effect of the alterations that Peter had made to the genome prior to the accident. It resulted in the creation of a creature even more dangerous than the original, and that was saying something.

"Fuuuuuuccckk... I... I'm clooooosssse...!" He snarled, again resisting the urge to bite into Eli's neck, his cock spasming as he gave one last hard thrust, the knot swelling and locking him in place. All the while he had been simulating Eli's cock within his scaly paw, drawing him close to his own orgasm, as well as the point of no return.

Peter couldn't hold back any longer, the thoughts of the beast he'd become corrupting him completely and utterly, and he threw his head back in a triumphant roar as he came hard into Eli, filling him up with his potent seed, sealing his fate. Not that Eli minded at all by this point. "Mrrgghhh....GGGGGGGGGGGGGGGGGGGGRRRRRRRRRRRRROOOOOOOOOOOOOOOOOORRRRRRRRRRRRRRRRRRRRRRRRRHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH!"

"Hhh...hrraaaaaaaaaaAAAAAAAAAAAAAHHHHHHHHHHH!!!" Eli cried out with him as he came within Peter's grasp, expelling his human cum over the table. He slumped forwards, moaning erratically, taking in all that his friend was capable of giving him.

"Mrrggh... how did that feel?" Peter asked, his nostrils flaring - he could already sense the changes taking hold of his friend, watching him in expectant glee.

"Rrrhhggg... good..." Eli managed to get out, his grin looking increasingly feral with every passing second. He was starting to change, and it definitely wasn't going to take long, Peter's shaft twitching as he saw Eli get even harder.

Elsewhere, one of their coworkers smiled as he thought, having been observing the whole time before his phone rang. As he took the call, his eyes didn't leave the screen. They'd have some new I-Rexes at the very least.

"Uh-huh. Two more for the pens, at a minimum, but this could be shopped around to the military. Super soldiers on demand - we'd just need to rein in their instincts somewhat, but having them fucking enemy soldiers or our own into killing machines could be profitable. No, trust me, it would only take one. I'm looking at it right now."

As another piercing roar shook the room, his grin grew even wider. Eli's shift had been going on while he'd been talking and he'd fully transformed like Peter had. There were slight differences in scales to tell them apart, but you would never know they'd ever been human. This was definitely going to be big.