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It took about an hour before Alex had calmed down enough to talk, spending most of that time in the shower as though to try and wash off the new attributes to his body. As Frankie waited he continued to examine himself in both fear and fascination; the main thing getting his attention being his head. With the bathroom occupied he had to use the reflection on the television to get a better look at what was happening to him, and though it was hard to see he could tell that his puffy face and the fur on his cheeks weren't the only things that happened to him. His hair had grown even more unruly and he could see the tips of his ears poking out from it, which when he uncovered them were pointed and fuzzy as his longer tongue licked around the fangs that poked past his lips.

Aside from his head most of the fur on his body seemed to be on his chest and thighs, save for the scarred areas that didn't grow at all and gave him an almost grizzled appearance. In the areas where there was still his original tanned skin, or the green scales that dominated his feet and hands, that his muscle growth was more prevalent than before to the point where he almost looked like an athlete. Had he not been turning into a monster it would have been something that he would have liked, and as he turned to see his mostly hairless back and sides he couldn't help but admire the new physique a little bit. That didn't stop him from worrying about what was happening to him, especially since it seemed the same thing had started to affect Alex as well.

"You keep looking at yourself like that and you're going to get yourself all riled up," Alex said as Frankie suddenly noticed the reflection of the other man in the television that prompted him to turn around. "I should know, it just happened to me."

"Alex, I'm so sorry," Frankie quickly pleaded. "I... I didn't know..."

"That's not going to help anything at the moment," Alex quickly dismissed. "I'm not blaming you for anything, whatever happened is likely due to our working conditions. Whether someone didn't neutralize the serum enough or our equipment is faulty it seems we got ourselves a dose of whatever turns people into monsters."

"Oh, yeah, I suppose you're right," Frankie replied before a sudden realization hit him. "Wait, what about the others? They could be exposed too!"

"Already called them while I was in the bathroom," Alex explained as he went over to the couch and sat down. "None of them are experiencing any strange mutations, at least none that they're telling me, and since some of them have wives and girlfriends I can assume if it was triggered by sex like we were they would have started showing symptoms already. From what I heard about this stuff it's sped up by lustful acts, which is probably why we both started manifesting like this after our fun last night."

Frankie's mind was still stunned as he looked at the paw that had been put up on the couch armrest, watching as Alex seemed to subconsciously wiggle it as though to entice him. Never in a million years would he thought of something like that as arousing, but the more he stared at it the more he found himself transfixed by it. Even as Alex continued to go on about what they should do and whether or not to go to a hospital it became background noise to him as he slowly began to reach out with his clawed hands to touch them. The second that he made contact with the soft fur the paw suddenly disappeared from his vision as the one that owned it took a step back.

"What do you think you're doing?" Alex said as Frankie froze.

"I... just wanted to see them," Frankie replied as he leaned back. "They just look so different from mine, I didn't think that you could get different mutations. With the pride parade attack they all just turned into lions."

"Yeah, but the most recent one had everyone turning into something different," Alex explained, sighing as he lifted his feet again to examine the paws. "Looks like canine for me... my sergeant always did call me a dog, I guess he's about to be right. Anyway, you've seen mine, now it's time to return the favor."

Frankie was taken slightly aback by the request, especially when he saw the small grin play on the edges of the other man's mouth. It appeared to him that the initial shock in the other man had passed and that the lusts that drove him to spread the condition to Alex was starting to manifest in him now too. He knew that he shouldn't indulge in this, that they should wrap themselves up in whatever clothing they had and get to the hospital, but his thoughts kept getting distracted by the one in front of him. Whether it was the effects of the serum or just his personality Alex seemed to have no problems of standing there naked in front of him while waiting for his request to be fulfilled.

Finally Frankie decided to relent and used the couch to prop himself up, realizing at that moment he was also still naked and had seemed to forgotten about it until that moment, and moved his legs until he had his mutated feet right in front of the other man. "Looks like you aren't quite as far along as I am," Alex remarked as he wiggled the two merged toes at the end of his foot that caused Frankie to squirm slightly. "It seems your tongue did wonders for my new paws, perhaps it'll be the same for you to finish you up."

There was a tint of lust in Alex's voice as he grabbed onto the scaly foot and Frankie had a good idea of what was about to happen, but even though he knew that it was wrong the same feelings that had struck him last night took hold once more. There was no need for alcohol to impede their inhibitions as the serum that now coursed through both of their bodies had already corrupted that aspect of their minds as Frankie felt the clawed fingers of the other man press against the hardened soles of his reptilian paw feet. It was almost as pleasurable as what he had experienced last night, something that was hard to believe as he could start to feel the flesh shift once more under Alex's hands. The same feelings that the two had from last night rushed into them as Frankie gripped against the couch while his back arched from the cascade of pleasure.

This time there was no sleep or alcohol that masked what was happening to him as he saw the two merged toes begin to meld into one another once more, the mere touch of the other man causing the serum to activate and spur on his transformation. Frankie let out a groan as the four remaining toes of his foot started to stretch out as Alex rubbed against them. It wasn't just his feet either, as he clenched his teeth he could feel the ones that were already poking out from his mouth growing even longer while the rest sharpened. The sensation of the transformation was strangely exhilarating, even though Frankie knew that it was turning him into some sort of monster like the others had been he couldn't help but want to see what he and Alex would look like as beast men...

Frankie let out a sharp hiss as Alex suddenly leaned down and engulfed all of the clawed digits in his mouth and began to lick all over them. The surge of pleasure caused the man on the couch to nearly orgasm right there and his hands went from the couch to his throbbing cock as he was stimulated. The entire time he could feel the flesh and muscle of his new feet rippling and expanding with skin traveling up between his new toes that flexed and gripped. When the thicker tongue of the creature sliding against the inside of his paws Frankie suddenly felt a reflex he had never had before kick in and curled the new digits down, and when he did Alex's eyes widened in shock when his tongue was suddenly grabbed by them.

It was enough of a surreal sensation that Frankie stopped stroking himself and saw that his reptilian paws weren't just growing bigger but had also become almost like a second set of hands. With that realization he found himself able to poke two of them into the mouth of the still surprised man while the other three continued to play with his lengthening tongue, and seeing that caused a corrupted idea to grow in his mind. He pushed himself closer to the other man and used his other paw, which was still half-formed, to rub against the crotch of the guy while the other one slid up and completely latched onto Alex's face. Alex let out a muffled groan and pressed his hands against the one that was smothering him but Frankie let out a hiss and told him if he was going to lick him then he better get started.

As Frankie's other foot quickly changed to the point he could wrap the new toes around the thick shaft of the other man he could feel the tongue once more licking the underside of the other one. Not only was the stimulation causing him to quiver but he could see it was affecting Alex as well as the muscles of his body began to thicken and pop. The muffled grunts and groans became growls as the human face pushed against the scales of his paw, feeling the nose and lips pushing and stretching out to become something more canine in nature. Frankie was fully in the grip of his lusts and had a fanged grin on his face as he could see the hair of the man lengthening and losing its coloration as his ears warped and shifted upwards with every stroke of the paw against his cock.

As the session continued Frankie could feel the face of the panting man pushing out more and more against his paw as the muffled grunts turned to growls before finally Alex pulled away. When he did Frankie's other paw lost its grip on the thickening cock it had been stroking as he saw the lupine muzzle that had grown out. It hadn't just been his face either as Alex brought his hands up to his exposed head, his fingers running through the mane of thick fur that had covered his head and neck along with the pointed ears that grew up from it. When Frankie realized what he had done he put his own hands to his mouth in shock and gasped when he felt that his own snout had grown several inches and his new fangs were nearly down to his chin.

While it felt to Frankie like he still some of his humanity left in his head there was no mistaking that from the neck up Alex was a snarling beast, looking like something that came out of a werewolf movie as the white fur had spread down his shoulders and joined with the pelt that was growing along his developing pectorals. "A monster..." Alex said in a guttural voice before he looked over at Frankie with piercing blue eyes. "You... turned me into a monster..."

Frankie scrambled to get up from the couch as the larger man approached him, knocking over the table before being pinned to the wall. Though the mutations had given him significant growth Alex seemed to have somehow gotten further along as his normally skinny arms bulged with new muscle. "You have to believe me," Frankie said as Alex bared his new fangs at him, the fact that their naked bodies were practically pressed against one another not lost on him. "I didn't want this for either of us."

There was a brief pause between the two and to Frankie's surprise the terrifying growl turned into that of a lustful smirk on the muzzle of the werewolf-headed man. "Why not?" Alex asked. "It's time to return the favor..."

Before Frankie could respond the lupine snout of the other man pressed against his own and he felt Alex's tongue immediately delve deep inside. The sensations once more overwhelmed him and he quickly found himself succumbing to the embrace, the two rubbing their meaty hands against one another as the cock of the werewolf began to hump into him. Alex had been right that they were turning into monsters, but the corruption in his mind had told him this was a good thing and the same thoughts were starting to infest Frankie's as the bright red cock of the other creature humped up into him. Even though it meant potentially sealing their fate Frankie found himself bracing up against the wall and spreading his legs so that the other monster could penetrate him.

As soon as the tapered tip of that throbbing shaft began to slide inside of him, aided by the enhancements of the serum to easily stretch over the thick tool, Frankie and Alex suddenly got the urge to push their tongues in even deeper into one another's maws. With Frankie sliding down the wall and impaling his increasingly furry cheeks with the cock beneath him it allowed Alex to lean down and push in deeper, and as he did Frankie felt like the wolf's tongue had begun to swell. He wasn't sure what to do with that as his new muzzle began to get stretched wider by the appendage inside of it but it didn't stop the werewolf from waggling it around inside of him. But as the intense make-out session continued the tongue inside of the scaled canine muzzle stiffened and grew until it couldn't move anymore.

Alex let out a muffled growl at that and as inch after inch of werewolf cock slid into Frankie's growing behind the hybrid's eyes widened as the pair of hands that had been holding him up grabbed onto his head. With his body effectively pinned by the chest of the beast before him and propped up by his stuffed tailhole all Frankie could do was let out muffled grunts as Alex bobbed his head to push the mutated tongue in and out of the other muzzle. As it started to slide down into his throat Frankie's thoughts managed to rise above the haze of lust to realize that it wasn't just some tongue that was sliding down into his gullet, and as the werewolf's movements became more erratic and drawn out he could see the throbbing flesh that emerged from Alex's mouth to confirm it. It was a cock, Alex's tongue had turned into an only slightly smaller version of the one that was spreading open his other hole as his throat muscles began to clamp down on the tip of it.

With the intense, bizarre transformation and double penetration the werewolf creature only got in a few more thrusts before he climaxed, nearly dropping Frankie to the floor as his clawed hands dug into the wall. Frankie's scaled feet hands gripped onto the side of the couch and dug furrows into the upholstery as he could feel himself get filled by the other monster as the muscles of his body popped and grew. The couch started to push back as bones lengthened and sinew stretched to create an even greater physique for both males as the spine of the one against the wall stretched outwards. Frankie could hear the drywall crack and collapse behind him as he was pushed harder against it from the orgasm of the other creature.

Eventually Alex slowed down and seemed to calm himself, and as Frankie felt him soften while inside both of his orifices he could see a spark of realization cross his face. Frankie found himself hitting the floor as the werewolf suddenly backed away and looked at himself in both shock and fear. When he tried to say something the cock his tongue had become interfered with his speech until it had completely softened and returned someone to its original state. That didn't seem to help though as Alex seemed to go from horny monster to panic-stricken human without physically reverting back.

Though the entire ordeal, including the mutations still happening to his body as he felt the nub of flesh just above his rear end still stretching along with the rest of his muscles, had Frankie freaked out as well he found himself able to hold it together longer as he guided Alex to the table and set the confused man down in one of the chairs. The piece of furniture creaked slightly under the added weight of all the new muscle in the werewolf's body as Frankie got into the cupboards and pulled out the bottle that had set this entire thing off in the first place. As he poured Alex a drink though he remembered that he had seen his own transformation starting much earlier and it made him wonder if being exposed longer to the serum before it activated helped the mental changes.

"Sorry, ugh..." Alex finally said after he had completely downed the glass in a few swigs. "I can still feel this... thing inside my mouth and talking with it is causing all sorts of strange feelings. Wasn't expecting any of this."

"Which part, the sex or the turning into a monster?" Frankie replied as he attempted to lighten the mood and managed to get a small grin from the other man.

"The latter," Alex replied as he motioned for Frankie to pour himself another glass. "Honestly I was sort of hoping this would lead to sex, one of the reasons why that sergeant called me a dog. Looks like he was right after all."

"Well, you're more of a wolf I think," Frankie commented. "When you first changed I thought of a werewolf and it's fitting for you, and at least you can identify yourself. Look at me, I have scales and fur and fangs and a scaled muzzle, is this supposed to be a dragon or something?"

To his surprise Alex told him to get up and turn around for him to get a better look, Frankie doing so before sitting back down. "I wouldn't say dragon, more like some sort of hyena with reptile hands and feet," Alex explained. "That tail of yours doesn't look like a canine one either, probably another snake appendage or something. I guess that makes you a hybrid of the two, a mix of hyena... and snake..."

A bolt of inspiration seemed to strike Alex at that moment and he nearly dropped the glass he had been holding as he went over towards his bedroom. Frankie quickly followed behind and watched as he hunched over his computer desk at the far end of the room and began to type something in. When he attempted to ask what was going on the other man didn't respond to him and all he could do was wait as he watched the wolf work. At a few points however Frankie had to step back as the position Alex had taken to use the computer had his partially-furred butt up in the air with the start of a tail whipping back and forth.

After a few minutes Frankie was called back over towards the computer and when he looked at the screen he saw that Alex had brought up an article that concerned the latest Antaris terrorist attack. "I remember this being handed out to us before we started our current job," Alex explained as he scrolled down before it highlighted one of the pictures and the text next to it. "I had just read through it out of boredom while waiting for the meeting to end but turns out that might just be what saves us."

"Several transformed tenants did not need to be captured and had the mental capacity to turn themselves in," Frankie read out loud. "Two of these creatures on the fourth floor had been hiding while the rest of the lust-stricken monsters went on a rampage, and after hearing what had happened were able to turn themselves in." When Frankie finished with the caption he glanced over at the photo that accompanied it and let out a little gasp of shock. "It's a hyena and a naga..."

"Exactly," Alex replied. "Now I don't know about you but I'm already raring to go for round two, and not just with you. I can feel the urge to spread the serum that's clearly in our systems but at the same time my mind doesn't seem to be totally corrupted like those who find others to transform."

Frankie found himself nodding as he realized he was feeling the same way. Though the instinct to rut with the other man was strong he was able to dissuade himself from indulging in it, but he wondered if that was because they hadn't completely changed yet. There were still large patches on both of their bodies that weren't covered with scales and despite the other mutations they still looked somewhat passable as humans. The problem was how long they were going to stay that way and even if they could keep their wilder instincts from coming out how the two could afford to keep hiding if they couldn't go out in public.

"we need to get back to that building," Alex said suddenly to the shock of Frankie. "Whatever you were exposed too might be the key to solving this."

"Are you sure?" Frankie replied as he followed Alex out of the bedroom and back into the hallway, his eyes glancing over at the somewhat eerily familiar claw marks and hole in the wall that they had just created. "Maybe we can get to a hospital and they can change us back, with all the attacks they probably have a means to reverse this, right?"

"Yeah, that's why the apartments we're working on are going to be going to us," Alex replied as he frowned at Frankie. "The goal of this little field trip isn't to try and find the cure, that ship has long since passed, what we need to do is find the means that those two in the picture found to keep the corruption that causes the others to go sex-crazy at bay so that we can eventually find the cure."

Though the idea of trying to do this without any external help didn't sit well with Frankie one look down at his scaled limbs and furry body made him understand that Alex was right. No one knew what happened to those affected by the Antaris attacks after they had been captured; some rumors say that they keep them in prisons in order to stop the spread while other more outlandish claims state that they're dissected so that the serum used can be reversed engineered. Ether one didn't sound like a great option for either of them but as Frankie saw the other man struggle to put on one of his shirts he realized they had a much different problem. Though Alex had a car they would need to get through the apartment building they were in and get to the other one without anyone seeing them, as well as keeping it in their pants the entire time.

Eventually the partially-transformed werewolf let out a snarl and ripped the shirt that was stretched across his body before slamming his hands on the table and knocking the bottle over. Frankie could understand his frustrations and knew that his clothes wouldn't fare him much better, which meant that unless they wanted to risk being seen they were effectively trapped inside the apartment. As Alex continued to growl out of frustration Frankie began to pace back and forth in the living room trying to think of a solution to their problem. Eventually he had drifted over towards the window and noticed the cloudy sky outside, and as he started to see droplets of rain appear on the glass he turned back to Alex and said that he had an idea that would rely on a bit of stealth and a whole lot of luck...

Part 4:

As day turned to night the storm that had moved in on the city grew worse, lightning flashing across the darkened sky as thunder rumbled through the buildings. When it finally got late enough that the two creatures suspected most would be inside by now they donned the work ponchos Alex had and began to make their way out of the building down towards the parking garage. Even with being covered essentially by a tarp their bulkier bodies still would have stood out in a crowd, especially with the lupine and reptilian feet that walked barefoot down the hallway. The hoods also bulged out where their pointed ears were and couldn't cover their muzzles entirely and prompted them to keep their heads down to obfuscate their faces until they got to the car.

Fortunately the late hour and storm had cleared the path for them and they managed to make it down to the garage without much problem, though as Frankie got into the passenger seat of the car he did see someone look in their direction who was returning to the apartment. He tried to keep from looking at the other man and ducked his head away, partially to avoid being seen and mostly because seeing an untransformed human like that stirred up the feelings to spread his condition to him that they attempted to suppress. The man continued to walk though and didn't seem to think anything of it, which was good for the two as they attempted to squeeze themselves into position. The vehicle was definitely not made for beasts like them and even with the car seat pushed all the way back Alex practically had his furry knees pushed up into his chest as he started it up and drove them to their destination.

As they drove down the streets Frankie stared out onto the empty sidewalk as the rain continued to hammer the concrete and was thankful for the lack of distractions. Mostly he chastised himself for not seeing the warning signs of his mutations earlier and spreading it to Alex, especially since he realized ever since he read that article about the two creatures on the fourth floor. He had been the one dumb enough to remove his respirator while in a contaminated zone and had somehow come in contact with the Antaris serum that way. One simple act of letting his guard down and it was turning him into a mutant hyena-snake hybrid while the one person who was nice to him on the job was becoming a white-furred werewolf.

So much for getting that promotion, Frankie thought to himself angrily as he tried to keep his gaze away from the one driving the car. Even without the two engaged in any sort of carnal act he could feel his body still shifting and rippling with change, his body growing slightly bigger here and there while the stub of a tail stretched out another inch or so. While he admired Alex's ability to keep cool and think tactically under the situation he knew that there was no helping them, eventually they were going to turn into the same sex-crazed beasts that caused all the problems for this city earlier and spread their condition to others. It was that thought that had kept his phone out as he thought about calling the proper authorities to deal with them before it was too late... only to hiss slightly in frustration when he attempted to unlock his phone and the screen wouldn't even read his scaly digits.

Frankie dropped the device in the car as they pulled up to the apartment and Alex parked in the parking lot. Since it was the weekend it was unlikely that anyone was going to be around the condemned building as they got out and began to walk to it. The feel of the wet asphalt on his bare feet caused Frankie to shiver slightly; aside from the poncho he was completely naked and feeling the ground like that made him feel... primal, like he really was an animal playing human as the two walked up to the locked door. The system was a punch code access and with Alex being one of the more experienced men on the crew he knew what it was, the pointed ears of both creatures perking up when they heard the click of the lock that allowed them inside.

"Didn't think I would ever be here after hours," Alex muttered as they got inside and immediately shed the wet ponchos to the ground. "Good thing we had those, otherwise this entire place would smell like wet dog."

"You don't think anyone is going to come here, right?" Frankie asked as they made their way down the pitch-dark hallway, neither of them needing a light as their enhanced eyes were able to see through it.

"Nah, sometimes the crew would either get roaring drunk or try to bring women here to hide any affairs from their wives," Alex explained as he took a couch that had blocked the nearby stairwell and easily shoved it aside to give them access. "But this building is considered a quarantine zone so even they wouldn't be dumb enough to try and bring someone here. Basically we have until Monday to either solve this problem or to flee the area before the foreman arrives."

Frankie just nodded as the two made their way up to the fourth floor, though as he did the mutant couldn't help but stop and look in on the other places he had been doing work on. A frown appeared on his muzzle as he thought that things were starting to go his way and it was all ruined by his one mistake. As he thought about it though while continuing up he realized that part of the reason that they had offered him the position in the first place was because of his remarkable improvement, which he wouldn't have gotten without the enhanced strength that came with the serum. Would the pudgy, inexperienced worker that he was have gotten such accolades without it, or would he have just been another trash collector that they sent up to the floors they hadn't touched until his contract expired?

It was a question that would never be solved and as they entered into the fourth floor Frankie focused himself on the one they were here for. There was only one room that he had worked on when he had the respirator off and it was the one that was easily identifiable with all the claw marks on it. This was where the hyena and naga had holed up while the rest of the building went crazy with lust, he thought to himself as he looked around the destroyed apartment. With him and Alex making similar marks less than a day ago he understood what drove them to do such as he went over to the ripped carpeting that had been covered by the destroyed sofa.

"Yeah, look at that..." Alex said as he scratched his claws into the boards underneath and more of the dust kicked up slightly. "Soaked right into the subfloor, wouldn't be surprised if it hadn't started to leak into the apartment below them with this much fluid. The idiots that sprayed the neutralizer around probably just made a brief pass over the sofa and called it a day, which means that this is still a hot spot."

"The serum would still be active after all this time?" Frankie said in awe.

"Looks like it," Alex replied with a sigh as he sat back, and as Frankie did the same he noticed the werewolf was giving him a perplexed look that prompted him to tilt his head in question. "Um... you're... uh... leaking..."

At first Frankie thought he meant his maleness, which had remained half-hard even as soon as they ditched the ponchos and walked around the building naked, but when he saw that the lupine was staring at his chest he looked down in shock. There were several beads of liquid that had coalesced on his fur right around his nipples and when he saw that he suddenly found them to be extremely sensitive. Despite the strangeness of the situation he reached up and gave one an experimental tweak and his entire body spasmed in pleasure as a small trail of the liquid appeared on his chest. Had he not been sitting on the floor it would have brought him down as his feet grabbed into the carpet and tore furrows into it as he continued to shudder.

"What... what is this," Frankie gasped as he laid back with both of his hands pressed against his chest, feeling a low throb of arousal coming from them as his cock quickly sprang fully to life.

"I think... you're lactating," Alex replied as he shifted his position and made his way over. "While we waited for night to fall I tried to look up more on the two that used to have this apartment and they said that there were certain kinks that they transferred to one another as they had sex while they transformed, and I think you might have inherited them when you were tainted. They said the biggest ones that were amplified by the serum were paw and nipple play."

As Frankie looked down at his and Alex's larger feet and remembered what he had done with them before it seemed like a somewhat logical explanation. "What about your... you know, tongue," Frankie said as he tried not to blush. "Was that them too?"

"I think that might have been mine," Alex said with a sheepish grin. "I always had a bit of an oral fixation, just like now when I saw you playing with those things I couldn't help but want to take a test drive myself."

Frankie heard the werewolf let out a playful growl and though it caused the hybrid to shudder in delight he also recognized that they were both starting to lose control. Before he could say anything about it though Alex had already leaned down his head and gave the large nub of flesh a lick that caused him to writhe on the floor, and prompted by the pleasure it was giving his partner the lupine went further and began to suck on it. He heard a brief comment that the liquid splashing into the maw of the werewolf was milk but everything else for him was lost in a sea of pleasure as the sensation was almost more intense than when he got his cock sucked. Just from the suction against his pectoral Frankie felt as though he were about to orgasm and grabbed Alex's head to keep him latched on as his hips bucked into the air.

A sudden snarl escaped from Frankie's lips as a tingling wave of pleasure cascaded through his body and as Alex continued to move from nipple to nipple the hybrid's hands grasped against the carpet. "Alex... I'm... mutating..." Frankie said in an effort to try and get the werewolf to stop as the blunt muzzle on his face popped with a little more growth. "I... can't... stoorrrrgghhhppp!"

The words of the hyena-snake became garbled as his tongue thickened in his growing maw and began to push out past his lips. With his mouth filling with cock-tongue Frankie could only huff through his blackened nose as he watched it stretch out until it was almost as long as his original member while human and just as sensitive as it brushed passed his fangs. It had grown fully erect and he found himself unable to move his muzzle, basically rendering it as a sheath for the new appendage as the fur and scales on his body spread like wildfire to cover the rest of his body. His regular cock humped into the stomach of the wolf on top of him who continued to eagerly suck on his growing pecs, the nipples providing more and more as he changed.

With the lust overtaking the hybrid once more he took both of his scaled feet and wrapped them around the werewolf's erect cock, prompting him to suction his maw even harder onto them as he was pleasured as well. Even though Frankie was seeing stars from all the pleasure that was being given he could still sense that this was it, Alex had pushed his serum-infused body over the edge and brought him to his final transformation. The thin tail that had been behind him surged with new growth and became a thickly muscled appendage covered in scales that slid against the ground as muscles and bones thickened and grew even more to make him into a true beast man. But as the werewolf started to grind against him, though it was getting hard for him to lick and suck against the other man's chest as his own cock tongue began to push out, something was happening to his groin that caused Frankie to let out a muffled groan and bring his hands between his legs.

The sensations radiating from the spot were so intense that it caused him to curl up, prompting the werewolf to lean back as Frankie quivered and squirmed. Something was happening down there, which even with the cock in his mouth he was eventually able to communicate to Alex. The werewolf lowered himself down to the spot where the sensations were coming from and when the hybrid looked down his own muscular chest and washboard abs to see what was going on he was surprised to find that the other man had a look of lustful glee on his face. Frankie wasn't sure what that meant but as another surge of pleasure hit his legs spread out into the air and pressed against the furry sides of the werewolf that had started to lean his head down until he felt the lupine nose press up against him.

After a few seconds Frankie began to feel something push inside of him, and at first he thought that Alex had gotten between his cheeks he quickly found the filling sensation to be far too high for that. Once more alien feelings of pleasure filled him as that cock tongue between his legs sank deeper inside of him until it felt like nearly half of the tongue shaft had somehow slid inside. At first he thought there was no way he could see what was going on but as he managed to pull himself up he found his new body to be more flexible even with the added muscles. Even with the pulses of pleasure that came from between his legs Frankie finally managed to see Alex taking his head and bobbing it back and forth to plunge his cock tongue...

...into the pussy that was between his legs.

Had Frankie's maw not been filled with his own throbbing tongue he would have let out a gasp of surprise at his new sex, and though his vagina continued to form and allow Alex in deeper with his cock tongue it didn't seem like he was turning into a woman. On the contrary his own member seemed even bigger as it leaked a copious amount of serum-tainted pre, and as he continued to get pleasured by the motions of the werewolf a deep growl reverberated in his chest. It wasn't enough, the new herm thought to himself as he looked at the thick werewolf cock between Alex's legs that he had to let go of, his new organ needed to be stretched and he knew just how to do it.

Alex was taken by surprise as Frankie pulled away from him, only to be pushed onto his furry back as his own developing tail flopped down between his legs. As the hybrid looked down at the muscular form of the other man the handsome creature only drove him wilder, especially when he saw that the lupine's nipples had begun to leak as well. The rutting between them had spurred on the werewolf's final transformation as well it seemed and there wasn't a trace of humanity left on him, which was just fine for the other monster as he sat down and pinned the werewolf with his cock resting on the white-furred chest of the other male. Though the other beast snarled back at him it was clear he knew his place as beneath him, especially since he began to feel those folds between the legs of the other creature start to rub against his own erection.

With the wolf tamed by the pleasure coming from his cock the hybrid lifted his legs up and began to push the head of it into his new opening, though he had to immediately stop when the first burst of pleasure nearly caused him to fall forward. Without even realizing it he had bared his fangs more as his jaw stretched, allowing the snarl to escape even around his erect tongue. As the eyes of the two locked onto one another there was nothing but instinct left, an undeniable urge to satiate the lusts that coursed through their new bodies. Frankie quickly got used to the stretch he was experiencing and was eager to fill himself up more, pushing downwards and letting the spire of werewolf flesh spread him open even more than when Alex had taken him in the tailhole.

But even as his pussy was stretched and filled all the way down to the hilt it still wasn't enough, both creatures needing more as Frankie pressed against his furry groin of the man beneath him. As they looked at each other though they both knew their new bodies would allow for, Alex leaning up and Frankie leaning down until their cock tongues pressed against one another. Even with their own maws stretched by the thick shafts they knew that there was still a hole there and after making sure to mind the teeth Frankie reached up and grabbed both their shafts to guide them in. With his snake-like jaws it was easier to take in the bigger wolf cock that pushed into his maw while Alex's eyes widened slightly and a gurgling sound came from the throat of the other man, but it wasn't long until they were pushing their muzzles together with their tongues disappearing into the maws of one another.

Both furred throats bulged with the throbbing members that were inside of them as the two eventually met in an extremely lewd kiss, pressing their muzzles together to get as deep as they could while feeling those tight muscles wrap around them. A similar sensation was happening to Alex with the hybrid's pussy milking it while Frankie quickly brought his hips up and down in a fervent act to reach his orgasm. Even with the radiating pleasure that came from their maws and groins though they still hadn't reached their peak and Frankie reached down to squeeze the nipples of the werewolf, which prompted the lupine to buck his hips up to go seemingly deeper inside the snatch of the monster on top of him. Not to be outdone the werewolf let out a muffled snarl and took his hands to do the same to the nipples of the hybrid, while at the same time he managed to shift his legs in a way to clamp his huge fuzzy paws against the throbbing cock of the hyena-jackal to paw him off.

The two became locked in orgasmic bliss and even as they began to climax it only drove them to continue their carnal rutting. With their enhanced stamina it was unclear on how long they had gone on but when they had finally exhausted themselves sunlight had started to shine in through the windows and the pool of cum that they had were in had started to dry around the edges. As Frankie and Alex slowly pulled their softening tongue cocks out of one another's maw they looked at each other with a gleam in their eyes, a light that hadn't been there before they both gave one another a fanged grin. It took a while for the two to untangle themselves from one another and even though they had satiated the lust that been driving them all night they continued to lick and nuzzle one another while Frankie slowly pulled himself off of Alex.

"I'm starting to see how they managed to produce so much damage," Alex said once he had regained his ability to talk, popping his jaw back into place as he looked at the stained rug that surrounded them. "But I feel... really good right now, like this is something completely natural."

"Me too," Frankie replied as he looked at himself, his fur just as matted as the werewolf beneath him as the entire apartment was filled with the smell of sex. "Like, I'm still really horny, but it's something that's simmering in the background. Maybe that's how the other two did it, they burned out the serum's need to have sex and spread by ravishing each other while trapped in here."

"Very possible," Alex replied as he padded over towards the window and opened it, breaking the tape that sealed it shut. "I know it's against protocol but at this point I think cracking a window is the least of our worries at the moment. It looks like it's just after dawn, which means we only have one day left before the building opens for work and we don't have a storm to give us the means to move around in our ponchos without looking suspicious."

Frankie nodded and was just about to say something before they heard a noise that caused both their ears to perk up and their heads to turn towards the door. It was the sounds of footsteps slowly approaching their position, and since they had been concerned with other things they had left the apartment door open. No doubt whoever was out there knew that there were two people inside and since they had left their ponchos at the front door they wouldn't even be able to attempt to disguise themselves. Even though it was a futile gesture the two ran towards the bathroom and shut the door as quickly but quietly as they could, only for Frankie to have to hold onto it as the broken latches gave way and threatened to have the entire thing fall back into the living room.

The two remained as still as they possibly could, the hybrid trying to push the door open slightly to allow the werewolf to see who had just entered into the area. "It's the foreman," Alex whispered, causing Frankie's eyes to widen in shock as he felt the furry chest of the other man rumble in a silent growl. "What the hell is he doing here on a Sunday..."

"I know that the two of you are in there," the foreman said as he turned to face the door that the two beasts hid behind. "If you don't come out here right now and explain what the hell you're doing in this building I'm going to call the police and let you explain it to them."

Frankie and Alex looked at one another, then just shrugged before the hybrid let go of the door handle. When the door fell forwards and exposed the two hulking creatures behind it they could see all the color drain from the human's face that wasn't covered by the respirator as he turned for the door. "Boss, wait!" Alex said as he darted forward only to trip over the herm in front of him and cause them both to spill out into the living room. "We can explain!"

The foreman had made it all the way to the door before he heard the plea of the werewolf and stopped, turning around to see the two naked creatures sprawled out on the floor. "There's only one person on my crew that ever calls me Boss," the foreman said as his look of fear turned into puzzlement as he put his hands on his hips while staring at the werewolf. "Damn Alex, is that you?"

"In the flesh," Alex said as he started to stand up, only to stop when he saw the foreman take a step back. "Well, the fur. As you can see we've been affected by the Antaris serum, but we're not like the others that have changed. If you just give me a chance to explain afterwards you can call the cops or government or whatever you want."

Both creatures found themselves holding their breath as they waited to hear the foreman's response; there was nothing they could do to keep him there short of attacking him and that would probably be worse then letting him go, yet they could see the indecision in his eyes as the seconds passed while he made up his mind. "Alright Alex," the foreman said finally as he leaned against the battered frame of the door. "Long as you two stay on that side of the room you can tell me exactly what the hell happened to you and that friend of yours."

Alex nodded in relief and both he and Frankie filled in the other man on what happened, everything from the initial exposure all the way up to breaking into the building and having an all-night mating session. When they were finally done they could see the foreman shaking his head several times in disbelief before letting out a loud sigh. "Should have guessed that the improvement in you was too good to be just hard work," the foreman said with a slight chuckle. "I was actually curious to see what your drug test was going to reveal, though it's pretty much a moot point now."

"So I'm guessing now we're going to have to be hauled off," Alex said with a sigh, both he and Frankie sitting on the floor while they explained what was happening. "You can't exactly keep two horny beast men on the payroll and I doubt the others would want to work with us anyway. Not to mention the fact we might still be contagious, you might be at risk just being here exposed to what we just did."

"Now... let's not be too hasty about all this," the foreman replied, which caused both creatures to give him a look of surprise as he pointed to the corner of the room they were sitting at. "Just out of curiosity let's say you wanted to start stripping out the carpet from this living room, how would you do it starting at that corner?"

Both the werewolf and the hybrid looked at each other in confusion, then looked at the corner in question. With no tools at their disposal Alex took his clawed finger and guided it along the edge of the wall while Frankie did the same with the other side to cut it away from the baseboard, then without any means to remove the staples holding it down they just both grabbed and pulled the loose end they created. They managed to back up several feet as they heard a series of pops and in a matter of a minute they had cleared a sizable chunk of the carpet away from the base boards underneath. They dropped the edge and turned around as they heard the foreman give a few claps of his gloved hands.

"That's more work done in a few minutes than a crew could do in half an hour," the foreman said with a chuckle before his tone got serious once more. "Listen, let me talk to the boss about what happened here and see what he wants to do about the whole thing before we start getting cops and such involved. You two still seem in control of yourselves and I know that he happens to have a few contacts in the government which was how he got these jobs in the first place, I can't make any guarantees but perhaps we can keep you out and about after all... with a few small caveats I'm sure..."

*********************

A few weeks later a young man came up to the apartment building that was being renovated, opening the door and going inside to see crews hard at work painting walls and putting down new flooring. The smell of fresh paint and plaster was in the air and as he started to walk forward he was suddenly stopped by a hand on his shoulder. "I'm not sure who you're looking for but this area is restricted," the foreman said as he turned the man around. "You better have a good reason for being here."

"Oh, sorry, I was actually looking for the foreman?" the man replied, which made the foreman identify himself. "My name is Tomas, and I've been assigned to your crew."

"Ah, you're one of the newbies that we requested," the foreman said as he took the letter that had been offered to him and read it over. "Ever since our surge in productivity we've needed more people in order to catch up with our demo team, and I see from your paperwork that you've already signed the NDA and other confidentiality agreements."

"Yeah, that was one hell of a contract if I say so myself," Tomas replied as he followed the foreman into one of the rooms that was being used for equipment storage and handed him a ventilator.

"Well, considering what we're taking care of around here we found it necessary for everyone to keep a lid on what we're doing here," the foreman replied as he also handed the new worker what looked like a painter's suit that had a black box attached to it. "Speaking of such, since I have a bunch of newbies learning with the other crews already I'm going to have to put you on demo duty for the time being until we get someone else trained up. Help where you can, keep out of our team's way, and make sure to wear the protective gear at all times... especially the black box."

Though Tomas was surprised at having to wear a clean suit he knew that this building had been the subject of a terrorist attack that was biological in nature as he quickly donned it and the gas mask that had been handed to him. Even though the air had turned relatively cool he could start to feel himself sweat as he followed the foreman who unlocked the stairwell and started upwards. As they went up the stairs everything seemed to have a wet sheen to it and when he asked the foreman it was explained to him that due to recent events it was standard procedure to spray everything in a specialized neutralizer before it was handled by the regular crews down below. When they got to the fifth floor Tomas found a sheet of plastic hanging over it as the foreman motioned for him to go meet with the team and get started.

Tomas just nodded and watched the foreman quickly head back down the stairs, leaving him alone. As he pushed aside the plastic he felt a pressure push down on him and he realized he had just gone through an air curtain as well as a sprayer that covered him with a thin film of liquid. It was like he had just gone into some sort of quarantine zone, except that everything looked like the floors below except these were destroyed. That look was further solidified when he looked on one of the walls and saw a whiteboard with a schedule on it, one column with the name Alex on top and the other with the name Frankie.

Daily blood draws... fluid sample collection... exercise testing... it looked like something that would be outside of a hospital room. His attention was quickly drawn back to the semi-destroyed hallway, hearing what sounded like people working in one of the rooms. As he got closer however he found the noises were not related to demolition and when he finally got to the door his jaw dropped at what he saw. While he wasn't sure what he was expecting to find, but it definitely wasn't a thickly muscled werewolf hunched over a broken countertop with a similar monster on top of him slowly pumping in and out the lupine's tailhole.

As Tomas stepped back in shock he accidently bumped his foot on a piece of carpeting, and though it made little noise the heads of the two creatures suddenly snapped towards him. "Oh, didn't think we were getting anyone new up here," the hyena-snake hybrid said with a smirk as he pulled his thick shaft out from between the furred cheeks of the man beneath him. "My name is Frankie and this is Alex."

"But you're... you're..." Tomas said as he found himself still backing up as the werewolf pushed himself up and ripped the countertop out with him.

"Yes, we're mutants affected by the Antaris," Frankie said as Tomas nearly fell over as Alex passed by both of them with the thick stone countertop over his head like it was made of plywood. "Things were a bit hairy there during the negotiations but our boss made the very reasonable argument that with potential hotpots like what affected us still being around here it only made sense that future decontamination efforts would be done by those already transformed by it. And yes, we are also naked, save for this little piece of hardware they want us to wear as a safeguard to make sure we don't get out of control."

Frankie leaned in so the human could see the collar that he wore, and as he did a small light beeped both on it and the black box on his suit. As Tomas looked back at the naked werewolf he saw that the other man wore the same type of collar. "That's why he wanted me to make sure this stays on," Tomas said as he put his hand on the box. "So if this drops off me you'll... rip this suit off of my body and turn me into one of you?"

"We can handle ourselves a little better than that," Frankie said with a chuckle, the fanged grin widening as he heard the tinge of lust in the voice of the newest hire. "But I'm sure if you want to join us on a more permanent basis we can make that happen."