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Lav hoisted the three backpacks onto his shoulders effortlessly, with a wide grin. Craig sighed at his theatrics.

"You know, we could just take a break rather than you wasting all your energy carrying everything," he said, though he couldn't deny that Lav showing off his strength was pretty impressive. Then again, he was quite a bit taller than him. Not as tall as Frankie, but Frankie was still panting from carrying his rather heavy pack up a steep hill.

Craig had been the one to call for a break, and Frankie had agreed. Lav disagreed.

"We should keep going, we can have a break once we get there. I'll carry the stuff for a bit, and don't worry-" he flexed an arm. "I can handle it."

"Just don't ruin your- huff, shoulders," Frankie warned him, only slowing catching his breath.

"Or exhaust yourself so much you can't help us put up the tents. You know that's the worst part about camping," Craig added, but Lav was determined to be helpful, which really meant he was determined to show off.

"Fine," Frankie sighed, standing up. He was in decent shape, but he just didn't have the same kind of endurance that his two friends did. Lav followed suit, and the three set off again.

At least the place was beautiful. The three had planned their camping trip for the longest time, and with all three of them being adults, finding a week all three could spend on recreation, much less recreation without bringing their phones, had been excruciating. In a way, though, it was liberating. For the next seven days, all their responsibilities would purely be what they had to accomplish in their immediate vicinity. Work didn't exist, remote work certainly did not exist, no chores had to be done in their homes. Only setting up tents, chopping firewood, fishing - they'd already arranged for a boat to be left at their planned campsite - and cooking the fish they caught.

A kind of return to a simpler, purer kind of life. A return to proper masculinity, even! A bonding exercise, of sorts! Doubly so for Frankie and Lav, who looked forward to more than a little intimate bonding as well. Craig didn't quite want to participate in that, but he didn't mind, either. He was happy to just be working with his body for once, rather than sitting in a stuffy office all day. Hiking beat going to the gym, any day of the week.

They finally reached the highest point of the hill they'd been forging their way up along, and the vista was amazing, entirely worth it - a vast lake that they'd camp on the shores of, in the distance. A craggy mountain range further beyond. And verdant, seemingly untouched forests, bar for a ranger tower on another hill, covering every mile of land. Craig offered a wave to the tower, though he had no idea if anyone was actually there, nor could he see if they waved back.

Something caught his eye as he turned back around. A black rock, half-embedded in the ground and cracked cleanly into two halves. It seemed hollow, and rust had formed along the surface. Like a cannonball, except too uneven.

"Hey, look at this," Craig called out, and for once, even Lav decided it was time for a break, putting down the backpacks.

"What's that, like a cannonball? A bombshell?" Frankie asked, looking at the almost egg-shaped thing.

"Don't think so, I mean, it's not really round and the surface is really... rough? And who'd want to bomb a random patch of forest?" Craig mumbled, effectively thinking aloud. He glanced towards the sky briefly. "I think it's a meteorite?"

"Oh man, that's cool if it is. Why's it hollow though?" Lav replied.

"I don't know, but I mean.... Why wouldn't it be?" Craig commented, drawing a chuckle from Frankie.

"True that. Why wouldn't it be? I'm pretty sure we have hollow rocks..." Frankie laughed, prodding one of the halves. "I wonder if we'll see any more fall? And if so, hopefully not on our campsite."

"Probably not, but usually these things do come in swarms. Means they'd all already be down on the ground though," Craig replied with a grin. "Plus, it'd be like winning the lottery except bad."

Hefting one half of the supposed meteorite, he felt it was a little too heavy to carry along as a mere novelty, and dropped it with a sigh. Maybe they'd find more closer to the campsite. He did, though, make a mental note of the location just in case they didn't. He'd pick it up on the way back when they'd gone through some supplies already.

The three set off again, this time downhill, with each carrying their own packs. The pace was much faster without gravity fighting them, and soon enough, they arrived at the lakeside. There was a small grassy clearing just next to the rocky beach, and that was where they'd set up camp.

Three tents, of course. A firepit in the middle, in which they'd have a warm bonfire to ward off the summer night chill. A hammock, between two trees just at the edge of the clearing, which had been Lav's idea. The other two had opted for simple folding chairs. The boat was already there, tied to another tree to keep it from floating away. Their helpful assistant had even left a plastic-wrapped guide to the local fish in it.

All in all, it was shaping up to be a beautiful vacation. Nothing to do but merely exist.

Of course, as fate would have it, they weren't the first to make it. Only last night, more of those strange meteorites had fallen, burying themselves just deep enough in the clay just under the water that no traces of them could be seen from the surface. They weren't meteorites, of course, but rather eggs, or both, as one might argue. The one on the hill had been unlucky, not landing in water, and its inhabitant had shriveled and died. These ones could gorge on it once they cracked.

Deep beneath the surface of the lake, one did so. The bang of the meteorite falling open was quieted by the water, and so, the three men on the surface were none the wiser. A black, tendril-clad worm crawled out from within, instinctively making its way towards the surface.

Frankie hammered down the last pole of his tent. It turned out a little lopsided, but with his sleeping bag inside, he couldn't deny it looked more and more inviting with each passing moment. Lav and Craig had theirs set up already and were tending the bonfire, stoking flames and adding fuel. This was, after all, the first day of their week-long vacation! Tomorrow, they'd go fishing, but tonight, they'd simply enjoy a couple of beers and a whole lot of sausages brought from home.

Craig kept glancing at the darkening sky, perhaps imagining the embers floating towards the stars as meteorites. No more meteors showed up, to his combined dismay and relief. There'd only been a brief shower, randomly happening to land exactly in the forest the three had decided to camp. Yet, that would be enough, just a single grain of pollen would fertilize a flower.

It was a beautiful night, though, meteors or no, and oddly silent. The three men all lived in the city, and the silence was almost deafening, here. The odd chirp of a late-night bird. The crackling of the logs and the quiet roar of the flames. The sound of something - probably a mouse - moving in the grass further away from the fire on which they roasted their sausages. Beautiful and relaxing, really, if a little eerie.

"Wonder if we'll see any wild animals," Frankie thought, aloud.

"Probably. No wolves or bears or anything around these parts, though. Might see a fox or badger or skunk, though," Craig replied.

"Well, we don't need any skunks," Lav laughed. He raised and arm and mimicked taking a sniff, but not daring to actually do so. He had gotten pretty sweaty from the hiking.

"Yeaaah, thank god there's a lake nearby," Craig replied with a wide grin. "I brought some deodorant too. For you. I smell just great."

As if to emphasize that, he repeated the motion Lav had done, and his nose wrinkled with how musky he smelled, which drew riotous laughter from the other two.

"Okay yeah, maybe not," he admitted.

And so it went, manly small talk had in the dead of night as the last light of the sun disappeared behind the horizon, leaving only the stars and their fire illuminating the dark clearing. That meant it was probably time to call it a night; the nights were short this time of the year, and Frankie, at least, always struggled to sleep in daylight.

Soon enough the fire was out, doused with a bucket of fresh lakewater, and the three men had retreated into their tents, warm and comfortable. As they were falling asleep, something else stirred just nearby, sensing the stillness and quietude. That meant it was time.

The little worm crawled through the camp, its tendrils flaring as it absorbed their scents and traces of three mammals. Any three seemed to be equally good hosts, but it had to choose one, and choose quickly. Without a host, it would struggle to survive the bombardment of radiation as the planet rotated. Even now, the earth radiated with heat from it. As much as its primitive mind could, it admired the lifeforms here, their endurance and toughness.

Luckily, going by their masculine scents, they had common aspects with those of its original home, so many lightyears away. Enough so that they'd be compatible, perhaps. Either way, it had no choice, nor could it make one consciously even if it did.

It crawled through the half-closed zipper of the nearest tent, ending up with Lav, who was happily snoring away, blissfully unaware of the pencil-thin creatures slithering over him. Initially, it struggled to find an opening, until it realized that the sleeping bag was merely a shell of sorts, when it reached the bare skin of the human's face. There, yes, it could trace out openings, entrances, but the one it preferred, for how easily males of a species were to influence from there, seemed to be further down his hairy body.

The worm slipped into his sleeping bag, drawn to the musky scent of his masculinity. Clothes might've foiled it, but unfortunately for Lav, he always slept naked, and erotic dreams had left his cock quite firmly erect and easily found. Before long, the parasite's tendrils were tracing its outlines, approximating how his anatomy fit together. There was a slit at the top, as expected. The pair of hefty, external testicles was new, but it could recognize their form and function regardless.

This would do.

Lav's dreams took a turn for the wet and lusty as the worm pressed against his cockslit, its "head" slipping into him, quickly followed by the rest of its whipping body, excreting slime that left him pliable and numb to pain. His urethra bulged as it crawled deeper, and soon, its tail disappeared into his throbbing shaft.

The next morning, Lav woke up incredibly horny. Overwhelmingly so, not having any idea what had transpired last night, beyond that he felt like he'd lived in celibacy for a year with how heavy his balls felt. There was a kind of pressure deep inside him, which he couldn't know was from his new companion burrowing those tendrils into his prostate, sending it into overdrive to feed on his lust. Not only that, but it'd transform him into a more suitable host-form. Something oversexualized, something needy, something that had no choice but to rut worms and seed into others to sate the overwhelming needs it felt. Already, it'd fed on him enough to split into two, and then three, each one squirming around inside his body and inflaming that primal need for release.

What Lav did know was that this wasn't the right time to masturbate. He could hear Craig and Frankie moving around, having woken up just before him. He sighed, trying to make his cock soften through sheer force of will, and failing miserably.

He got dressed and crawled out of his tent, quickly excusing himself to get the boat ready, carrying the fishing equipment to strategically hide away his rather obvious bulge. Everything seemed so oddly sexual to him, and even walking around and feeling his cock rub up against the fabric of his underwear felt tingly and erotic.

Lav stumbled his way to the boat, thankfully just out of sight of the campsite, and realized he'd have to take care of his sudden urges or he'd get nothing done at all. It was almost alarming how needy he really felt, fantasies of having Frankie help him with it flashing through his mind, but he also didn't want to make Craig too uncomfortable. And so, he pulled down his pants and suppressed a breathy moan as his hand clasped around his stiff, pre-dripping length. It felt_heavenly,_ his hormones surging to egg him on, the parasite's influence guiding him towards pleasure and filling his fantasies with increasingly naughty fantasies with each pump of his hand.

It didn't take long at all, and when it happened, the orgasm was so intense that Lav almost blacked out, falling backwards as several thick ropes of cum erupted from his cock with enough force to splatter all over the boat just behind him. Within that thick mess were two of the new-born parasites, both quickly hiding from the scorching sun in the cracks of the wood, waiting for new hosts. Lav didn't see any of them, and that was quite intentional; the worm that remained lodged deep inside him squeezed around his prostate, intensifying his orgasm enough to make sure he didn't.

After all, before he was fully enslaved, it was best that he didn't know about it. Else, he might choose to isolate himself, as social animals often did. Oh, once he had been remade he'd be all too eager to show others just how good being infested felt, but until then...

As his orgasm ebbed, Lav suddenly felt terribly self-conscious. He wiped his spent shaft - though he was already feeling the tingles of lust brewing in his loins again - along with what splashes of cum he could see on the boat, before dumping the fishing rods into it. Thankfully, he had a rag on him. Less thankfully, the sheer amount of cum he'd pumped out was staggering, and the small rag was soaked in it by the time he was done.

Jeez, how long has it been?

Not that long, of course. But he struggled to remember exactly, old memories beginning to grow vague and fuzzy in his pleasure-drunk mind. They wouldn't be needed, after all.

What he _did_know was that they'd planned to go fishing, and sure enough, in just a few minutes, both Frankie and Craig arrived. Lav feasted his eyes on their masculine forms, unwittingly, feeling himself swell again as they sat in the boat. Fishing was suddenly the last thing on his mind, but he forced himself to focus, picking up the fishing rod and suppressing the urge to give it a stroke like he would the cocks of his two friends once... once something had happened-

What was_he anticipating? It was a pleasant, coiling feeling in his stomach, as if he was a child waiting for Christmas day, except far more sexual in nature, as emphasized by his throbbing cock. A sensation almost like falling, tingling through his muscles. Had he been looking at his arms he'd have noticed his muscles swelling, and yet, at no point did he _feel different, his mind being constantly rewired to match the changes in his body. He didn't notice that his body hair thickened into white and purple fur, slowly creeping across his body, nor did he realize that his cock was swelling until his bulging erection could barely contained in his pants.

Yet, those transformations wouldn't reach their peak, yet. The parasite could sense that there were uninfested, uncorrupted creatures nearby. While neither of them would've attacked Lav, had he transformed fully, the parasite didn't know that. And as such, it had to wait. That wait was the anticipation he was feeling so intensely, subconsciously. As the worm's tendrils infiltrated his mind, a part of him did know that others of its kind were on the boat, trying to claim his friends as hosts.

As Craig and Frankie focused on relaxing and fishing, chatting as they kept their eyes on the bobbers, Lav could only squirm uncomfortably, seemingly unable to focus on anything. He didn't have to wait for too long. After an hour or so, a cloud momentarily hid the sun away, and the parasites sprung into action, quickly sniffing out their potential new hosts. One skittered up Craig's pant leg, and the other managed to crawl through the waistline of Frankie's jeans, only barely managing to avoid being crushed by his scratching hand reacting to the tickling of its legs. Neither of the men suspected a thing; after all, out here in nature, there were plenty of harmless insects.

There was no way to do it stealthily, of course, nor could the two worms communicate. But their actions were coordinated by pure instinct, and so both reached the limp shafts of their soon-to-be hosts at the same time.

A moment passed. And then one plunged into Frankie's cock, drawing a loud yelp from him at the sudden twinge of pain before pleasure numbed it, and he bounced up, nearly flipping the boat as he tore his pants off.

"F-fuck, ow, some kind of fucking bug is--" he tried to explain, as Craig stared with terror and concern, and Lav in turn with lust he couldn't quite explain. He saw the whipping tail of the parasite disappear into Frankie's shaft with a wet slurp, lubricated with his precum, and he very nearly came as he watched it. To his changing mind, the sight was almost sublime in how erotic it was, knowing what would follow.

Seeing that, and feeling a tickle just around his own cock, Craig managed to pull his own clothes off just in time, recoiling in disgust as he saw one of the worms crawling up his shaft, and tossing the squirming thing into the lake.

"What the fuck is happening?" he asked.

"I- guh, I'm gonna have to go to a- a hospital," Frankie groaned, though it was starting to feel weirdly good. Really good, in fact, as chemicals flooded into his bloodstream and brains. "We have to... call like, a fucking ambulance chopper."

It was at that moment Craig realized he'd accidentally knocked his pants overboard, and with them, his phone. He was the only one who'd decided to bring his along, in case of emergencies, and now that lifeline was somewhere in the muddy depths. They'd have to hike back, and they'd have to do it fast, he realized, going by how both Lav and Frankie were suddenly moaning. Lav must've been infested too, Craig reasoned, as picked up the oars and set off for the shore, rowing so hard every muscle in his upper body burned with exertion.

The boat scraped over the rocky shore and then came to a still, and Craig helped Frankie out first, trying to avoid that rock-hard erection of his rubbing against him too much. Immediately once he let go, Frankie stumbled and fell, managing only to sit up as his eyes darted to his engorged maleness. Lav got out on his own accord, making his way over with trembling legs.

"...it feels so fucking good, though," he mumbled. "I mean, doesn't it? Maybe we should just see what happens," he spoke, voice dripping with both lust and hesitation.

Frankie cupped his naked balls, visibly shivering. "G-god, it's like every part of me is... burning, but in a really nice way..."

His other hand snuck under his shirt, finding one of his stiff nipples and shamelessly tweaking it, making his whole body quiver. "Fuck, I don't know what it's doing, but, god, I need to- yeah, I need to rub one out or-"

His attention was drawn to his engorged shaft, and suddenly he was shamelessly pumping away on it, a thin rivulet of drool running from the corner of his mouth.

Craig looked away in a hurry. "We don't have time for that, just get up and we'll bring you and Lav to a hospital," he complained, thankful that he'd manage to swipe the worms away in time. Otherwise, he might've been acting just like Frankie. Openly stroking his fucking cock in front of everyone.

"Mh, he looks so sexy though," Lav replied, with a lusty hoarseness. Craig looked at him in turn and blanched as he realized Lav was masturbating too, and not only that; he looked wrong. His cock was at least twice - no, thrice - as big as it had any right to be, a massive and leaking shaft that bounced with each pump of his tightly clenched fist. Around his groin, and halfway down his legs, purple and white fur was spreading.

Craig watched as his two compromised, infested friends drew closer, until Lav practically threw himself at Frankie.

"Nhh, yeah, you look fucking hot too," Frankie growled in response, eyes darting to his friend's cock. Frankie forced himself up on his knees, and without hesitation, he opened his mouth and took that leaking, swollen tip in between his lips, groaning happily as he began sucking. He was moaning around it, obviously enjoying the act. That part wasn't so unusual, though - they were both gay, after all.

What was unusual was their uncontrolled lust, and the way Lav's body was almost rippling with changes. He didn't have time to actually cum from the impromptu blowjob before he suddenly seized up, falling backwards stiffly.

Craig watched with growing terror as Lav began to change more rapidly, clothes tearing off as if they were made of paper, skin and muscles rupturing only to immediate knit themselves back together, stronger. It looked excruciating, but all that erupted from his trembling lips were happy, dissolute groans. It looked like he was enjoying what was happening to him, his obscenely swollen cock throbbing proudly as he writhed, tensed, arched and thrashed in the throes of being reshaped into something massive, oversexualized, and undeniably masculine, a musky scent already developing around him.

Frankie, in turn, couldn't stop staring, lust welling up in his loins and the taste of cock still on his lips. It was beautiful, his new parasite told him, rearranging his perception to make it true, his knees nearly buckling as he anticipated experiencing the same wonderful sensations that left Lav a panting, squirming mess. At the same time, there was a kind of pity for Craig, who wouldn't share in their host-form bliss. He resolved to change that, the moment he or Lav produced more of those amazing worms.

That was the last thing he remembered thinking before his mind suddenly went blank and he found himself laying in the grass as well, jaws clenching as the first waves of change went through him. With Frankie, the parasites found fertile ground in his already present kinks, emphasizing and enhancing what was already there. The easier he was to excite and seduce, the more new hosts he'd create, if purely by accident.

And so, the nerve endings in his feet doubled, tripled, as those already erogenous zones grew more sensitive to the point his legs were twitching as they changed. If it wasn't for his growing muscles tearing his shoes apart Frankie probably would've come right then and there from the friction against his soles.

Craig couldn't deny that there was some erotic component to it, too. He wasn't into men, nor ´did he, naturally, like the idea of having his body hijacked by parasite and twisted beyond recognition. But the sheer ecstasy his friends seemed to be experiencing despite it all was hitting some kind of deeply buried button of his, one that caused a twinge of jealousy at how he seemed to be missing out. There was a kind of intrusive thought; a brief, tingly fantasy about how it'd feel.

He circled his friends, fidgeting nervously. He couldn't just leave them here, could he? It'd be several hours of hiking to get back to civilization, and then several more before any kind of ambulance would arrive. Could they even do anything, with how much their bodies had already changed, or would he doom his friends into being imprisoned and experimented upon?

His rational mind told him yes, and Craig's heart sank. Would they even retain any of their personalities?

At least both Lav and Frankie seemed happy. Probably more so than they had ever been before, even if they weren't entirely themselves anymore. Every part of their bodies seemed to have grown, expanded, into obscene forms. Almost parodies of raw sexuality. Lav's nipples were so swollen he could've fit a finger inside them. Frankie seemed to be growing breasts, trickling with something white, and despite the open air and slight breeze, their musky scents seemed to cling to Craig's nostrils.

And he couldn't look away. Lav looked downright bestial, now. A very muscular, lupine form, his balls so swollen - with cum, or more parasites? Both? - that he'd struggle to walk straight.

It was a little too late that Craig realized that massive knee-length erection was pointing right at him, and he was too slow to react when an enormous load of warm cum erupted from it, splashing over his front. He quickly dodged to the side after that first blast, frantically wiping cum from his clothes. He felt several of the worms wriggling around on his body too, diving into his shirt and squirming into his pants to get away from the sun as they tried to orient themselves.

It'd have been easy enough to swipe them off, but, for some reason, Craig found himself hesitating. How would it feel let it happen? To let one of them squirm into his cock and take over, transforming him into a massive, bestial mutant, constantly horny and wanting little more than to fuck? The thought made him shiver. They'd probably make him gay, too, or at least bisexual. Willing to accept any advances so he could spread the parasites.

It wasn't a fetish he'd ever realized he had, but it was so powerful that it gave him pause. He had to see what the worms were trying to do, and he stripped off his cum-soaked clothes. One of them fell off, but the other managed to cling on as it crawled along his body and towards his cock.

Would he want to suck cock too, badly enough that he'd do it in public, like Frankie had? His lips quivered as he imagined everything that'd happen if he let the worm take him. Was there really any point in resisting? He'd never see his friends again, if he did. At least they'd get to all feel really good together, even if it'd be as strange half-animal abominations. Very horny ones. He watched as the worm left a trail of slime along his skin, reaching the base of his cock, and it was only then that he noticed he was hard, too.

While Craig was stuck in his risky reverie and Lav's changes were finishing up, it was Frankie who was making the better part of the moans. Somehow, he was also the one to change the most. Not only did black and red fur sprout through his skin, not only did his muscles ripple and bulge as they grew beyond what any normal man could hope for. No, he was transfixed by his newfound breasts heaving with each breath, and a kind of fiery glow in his very core, a wet, clutching, cramping sensation. It all seemed to focus on his groin, just behind his growing balls. A tearing, almost, as a feminine slit finally yawned open between his legs, in stark contrast to his utterly masculine body.

Overwhelming. He couldn't keep track of how many ways his body was being warped. Too much, too much - too much bliss, too many changes, without any rhyme or reason. He nearly choked when his tongue began to swell too, to stiffen, broadening and lengthening along with his face stretching into a muzzle. Something hot, wet and delicious seemed to leak from the very tip, and suddenly he was _acutely_aware of it. A cock. His tongue was becoming a cock, glans and all, leaking precum down his throat. Each time it pressed against his lips, the roof his mouth, or even his increasingly fanglike teeth it made Frankie shiver with pleasure.

He wanted to thrust it into someone's mouth as he took them, filling them with corruption from both ends, fucking them from both ends.

Lav, finally, managed to stand up. He stretched, and it felt good. Every inch of his body felt fantastic. Even his vision was sharper, senses more acute, and to some degree he still remembered who he was. Only with far, far stronger urges to fuck, to breed, to convert others into hybrid beasts. He looked at both Craig, in his predicament, and the changing Frankie who'd already received that wonderful blessing.

For a moment he was torn between if he should "help" Craig or enjoy Frankie. There was an equal chance of the former snapping out his lust-induced trance if approached, though, and he was feeling very pent up. It'd be a Sisyphean task; he'd always remain horny and eager to cum, but he didn't know that, nor did it change how good it felt.

And so he approached Frankie, admiring his new, hyenine features. There was a bit of snake to them too, two pronounced and sharp fangs, and a cobra-like hood along his back. And, of course, that strange yet alluring erect cock sticking out from his mouth, leaking as he panted.

Just then, Frankie opened his eyes, his expression blank and lust-glazed, and his cock throbbed as they finally managed to focus on Lav's equally changed body. His changes were almost complete, head filling with fantasies of pinning the... wolf, pinning the wolf down. With their minds turned towards a more primal state, their urges were, briefly, focused on establishing an order of dominance. Deciding who would order who around, who would get to infest and turn the prettiest victims.

Lav knew Frankie's weakness, and he was drooling himself at the prospect of seeing how his transformation had affected it. That, and Frankie, though noticeably bigger and stronger than the wolf, was still addled from his transformation.

Craig, meanwhile, was staring at himself, as the parasite coiled around his shaft. It was almost as if it knew what a precarious situation they were both in, and refrained from simply trying to claim him immediately. It had, though, began to leave a slimy trail on Craig's throbbing cock. It was starting to feel good, entirely too good. Craig knew he should've brushed it off and ran for the hills, but the longer he allowed it to tease him, the better it felt. The risk, itself, was erotic - and the chemicals soaking into his blood had him at the edge of orgasm already. Worse yet, it was making everything seem so very erotic, like the display between his two friends, and Craig wanted to stare at them, but he knew the moment he let his attention falter that wonderful_parasite would crawl into him and turn him into a _sexy beast.

Just as Frankie was about to get up to leverage his greater size, Lav grabbed one of his feet and ran his tongue over the sole, lapping at it, letting his tongue dip between his claw-tipped toes. The effect was immediate, and the newly minted herm threw his head back, almost going limp from sheer pleasure.

"That's right," Lav growled, delighted by the reaction. "Gonna cum from just having your feet licked, aren't you?"

It wasn't his usual attitude. But then, he wasn't his usual self. He wanted to fuck the hyena into the floor, and with how eagerly Frankie was squirming he was already picturing the scene in his mind. Lav wrapped his lips around one of Frankie's toes, feeling them curl against his tongue, and went for it.

Frankie was all but helpless. It was strange having his feet so sensitive. It felt as if he was getting a blowjob, only it wasn't his cock but his toes. He moaned, enthusiastically, wanting more of that delicious feeling, to the point he barely even thought about it as Lav hoisted one of Frankie's legs over his shoulder and positioned himself over him, at least until he felt his thick, warm shaft press under his tail.

"Relax," Lav grunted. And just as Frankie opened his mouth to protest, Lav nibbled on one of his toes, giving his sole a final, wet lick, reducing any words to an almost pained moan. And then, he sunk his cock into the hyena's twitching, clutching new slit, that girth spreading him wide to the point he felt in his hips, with how well-hung the infested wolf was.

Watching the rapturous, ecstatic expression on his friend's changed, animalistic face made Craig quiver with emphatic pleasure. Did getting mounted and dominated _always_feel that good? Or were those parasites influencing them?

Almost spasmodically, his hand clasped around his own cock. It felt small in comparison, but just touching the slime-coated, veiny surface felt fantastic, making hair stand up all over his body with a tingling sensation that he wanted more of. Even the parasite, now "nosing" at his cockslit, seemed sexy_somehow, with how drunk he was on lust. It began to push into him, as if sensing his acquiescence, choosing a different approach than the two others. An almost _sensual one. He should've stopped it by the time its head was making his urethra bulge, but he didn't. Instead, he squeezed at the base of his cock, just barely aware enough to stop the parasite from fully squirming into him. Yet, in some stroke if maddening lust, he moved closer to Lav and Frankie, wanting to watch the two.

Lav leaned down as the rutted into Frankie's new pussy, growling with dominance and pleasure at how good it felt. It wasn't as tight as an asshole, but the tightness and heat was caressing every inch of him, and the scent was intoxicating. The hyena's breasts bounced, spilling droplets of milk, and the wolf quickly wrapped his lips around one of those stiff, leaking nipples, suckling directly from his transformed friend, warm milk spilling over his tongue and lips.

He wanted more. Ever more. It only took a few more thrusts before he roared out in triumph as his cock twitched inside Frankie and sprayed the first load of cum of many into his new, twitching cunt. His mouth left the hyena's nipple and sought out that cock-tongue between his lips, slurping up musky precum before pursing his lips around the glans, and sucking, just as passionately as he had been drinking his milk.

Frankie was already teetering on the edge of a convulsive orgasm, feeling the wolf's seed flood into him. There was so much of it, too much, enough to leave his muscular belly bulging, and he still wanted more. As his orgasm hit, unstoppable and overwhelming, and his new pussy began to squeeze and milk around Lav's massive cock with each ecstatic convulsion, he got just that, his body eagerly massaging out every drop of warm, sticky seed in the wolf's balls. And his cocktongue twitched in Lav's mouth, in turn, spraying the last of his human cum into the wolf's slurping mouth. Lav swallowed eagerly, and at the same time felt cum soaking into his fur, spilled by the thrashing hyena underneath him.

"F-fuck, it feels amazing," Frankie groaned, cum still dripping from the corners of his mouth once his cock softened enough for him to talk. And suddenly, he was looking straight at Craig.

"Just... let it into you," he murmured. Craig could see - and hear - Lav's drained balls slowly bloating up with cum and again. "They make you feel so- so fucking horny, it's... just..."

His words were choked off as his tongue began to swell again, but his hand reached towards Craig's erect cock, a meaningful, if lusty, look in his eyes. The last human of the three knew what he was about to do, his own eyes drawn to the worm's tail lashing around his glans, trying to make its way into its new host. He couldn't bring himself to let it happen, as much as he wanted it on some perverted, disgusting level. And so, Frankie helped him.

His strong, rugged hand grabbed Craig's wrist, and gently but firmly pulled his hand away from his cock, where it was squeezing his shaft.

The worm immediately slipped into him, burrowing deep into his body through his unresisting urethra, setting to work on changing him. Craig gasped, breathlessly, every inch of him tingling, even burning with a heady mixture of lust, fear and anticipation.

When it reached his prostate, he fell backwards into the grass just as his friends had, helplessly squirming and thrashing in pure pleasure. He could hear Lav and Frankie groan and growl as they finished their mating, and he could swear he heard the very cum splashing into the hyena's body. Already, his thoughts were being rewritten; the masculine grunts sounding beautiful and erotic, the musky scents wafting around them even more so, and the sight of their sexy, massive cocks, throbbing and spurting, filling his inflamed mind with desire.

Lav, finally spent, slipped out of Frankie's well-bred pussy, his shaft followed by a thick dollop of his cum splashing into the grass. He was recovering already, but with how big his balls were, it'd take a little while. That, and he was suddenly very aware that he was growing rather wet with arousal too, his ass wanting its share of the sex. That would be difficult to ignore if he wanted to stay on top. But for now, for at least a moment, all he wanted to do was relax.

Frankie wasn't. He'd only cum once, with plenty of seed still sloshing in his oversized balls, eager to be spilled. Craig, moaning as he was, with his ass desperately raised and visibly clenching with desire as his body was remade, seemed like the idea target. Someone for the hyena to take out his dominant urges on, in turn. Craig was already starting to change, almost explosively so, huffing and snarling as he grew, even more so than either hyena or wolf had. For a brief moment, he seemed almost rubbery, grotesquely elongated, before his muscles began grow and his bones thickened enough.

Also unlike the others, his arms grew longer, an almost werewolf-like posture, that of a half-feral hunter. Yet, he was mewling like a cat in heat, the first hint of what he'd become, even before sharp, elongated claws tore through his fingertips and the black fur of a jaguar beginning to sweep over his body.

Before Craig's changes had even finished, Frankie was there. He couldn't bring himself to wait any longer. No, he wanted to be the first to rut his "straight" friend, and rut him hard. Sooner or later they'd have to find more humans to share their gift with, but right now, all Frankie wanted was relief. He'd just_climaxed from Lav pounding into his new, dripping cunt - and could still feel the warm, sticky cum sloshing around deep inside him - but already his balls were practically gurgling, almost _painfully, as they refilled. He wondered if he'd ever feel sated again, for more than a few seconds, but then, it didn't matter, did it? He was strong enough that he could just keep fucking, mindlessly pumping his cum into others until the end of the world.

Without any foreplay - they didn't really need any of it, anymore - he pulled Craig up by the hips and yanked his still-forming feline tail out of the way. It wasn't possible to use him in all the ways Frankie wanted, not really, he wanted to stuff his swelling, growing cock into his ravenous new cunt, he wanted to clutch him as they sucked and ate each other out, covered each other with cum and musk until the end of time. He wanted everything.

But for now, that first shivering thrust into his friend's ass would do. It was, of course, quickly followed by the hyena working up a steady rhythm, thumping his hips against those plump, yet muscular cheeks.

"Mhm, doesn't that feel better, having let them in?" he rumbled, looking down to watch his girthy shaft squeeze in, Craig's puckered hole clinging to it as he pulled out again. "And taking cock like a good boy instead of... fucking, whatever."

"G-god yes," Craig moaned in response. He felt so wonderful back there. Wonderful, and wet, his ass beginning to produce lubrication, becoming a proper fuckhole to easily accept any kind of cock, letting people happily fuck themselves into becoming another host. He couldn't wait. Maybe he'd park himself at a gloryhole and just push his ass against a wall, and suck another one on the opposite side, letting everyone _gorge_themselves on his body and the beautiful, sexy parasites that he'd be full of. Full of, and ready to spread.

That acceptance was enough to push him over the edge. None of them lasted very long like this, but they didn't need to with how quickly they recovered. Craig moaned in dissolute submission, surrendering fully and at once to both the thick cock pistoning into him, swelling as it prepared to seed him, and to the parasites taking over his body to use as a host. All he could think about how happy he was, what a good host he had been for letting them infest him, and how_amazing_ getting fucked by other males felt; an utterly erotic mess of incoherent, lusty thoughts, as his balls emptied the last of his human cum onto the grass in pearly ropes.

Frankie bit down, hard, on Craig's shoulder. The mating bite make Craig yelp in pain, and it'd certainly leave a bruise even if it didn't puncture his tough new hide. The pain only lasted for a brief moment before pleasure washed it away again, with the very next pulse of his orgasm. Instead of fighting, he submitted, relaxing against the hyena limply.

His clenching wetness - and especially feeling him submit like that - pulled the hyena along with him. With a masculine grunt, the herm hilted into the new jaguar's ass and let himself go, gouts of cum pumping deep into his very core as his balls tightened and throbbed, and milk gushing from his breasts as Frankie pulled Craig tightly against himself. It was a triumphant orgasm, getting to give the jaguar his very first taste of being claimed and seeded by another male, a sensation that left Craig whimpering happily as the last dregs of cum drooled from his spent cock.

It was at that moment that they heard a noise from the bushes, nearby. All three were on their feet instantly. In their orgiastic revelry none of them had noticed the faint scent of a human nearby, now with their own musk and the reek of sex so thick in the air.

A lone hiker, male and average-looking, frozen as he realized that the three unnatural beasts had spotted him. What he felt was a kind of echo of Craig; realizing that he should've ran way, and that it was now too late. There was something about the scene unfolding in front of him that he'd not been able to stop staring at. Every instinct in his body told him to run, but there was no way he'd be able to outrun one of them, much less all three at once. And so, he stood up from behind the bush he'd been hiding in while watching.

Their interpersonal rivalries were suddenly forgotten. After all, the human did have two holes and a cock for them to enjoy. In the heat of the moment, maybe they'd forgotten that. Lav, Frankie and Craig all looked at him like a piece of meat as they approached and circled him. He wasn't anything special, but he'd do. Everyone deserved to have those wonderful worms stuffed inside them, after all.

He had no time to react before they suddenly descended on him, sharp claws and strong arms stripping every thread of fabric from his body without mercy or remorse. They roughly shoved him into all fours, and he found himself face to face with the biggest cock he'd ever seen. There was no way of them would actually fit inside him, not unless they transformed him, too.

"W-will it hurt?" he stuttered, unsure if the beasts could even understand him.

"No. Just relax, it'll feel wonderful," the jaguar purred. He plucked a black, worm-like thing from his cum-coated fur. The hyena's cock ground between his naked cheeks, now, and the wolf's even bigger one dribbled precum onto his face, throbbing with barely mustered restraint. "Hope you're ready to suck a lot of cock. Don't worry, you'll love the taste," he added, with a grin, before dropping onto his haunches.

When the human suddenly realized where that worm was going to go, it was once again too late to struggle. Craig's hand grasped his shaft firmly and peeled back his foreskin, holding the worm against his glans and letting it coat them with that lust-inducing slime in preparation. One moment, he was still a human, still himself, but for a dull, throbbing pleasure radiating from his rigid shaft, one strong enough to make his eyes water. And then, Craig loosened his grasp on the parasite and it quickly pried that cockslit open and crawled into its newest host.

Each of the three nearly collapsed with a sudden jolt of endorphins and dopamine the moment the newest victim was claimed. A reward, well-deserved, for propagating their masters and creating more sexy hosts for them. An addictive one. One that'd define their lives from that point on.

With their newest member gasping for breath, his yet modestly sized cock growing to full mast as he fell under the same corrupt spell as the others, one question remained. What would they make of him? A bunny, perhaps? A deer? Something weak and submissive, all three of the mutants found themselves wishing. Maybe a hybrid of all three. As long as he was stretchy enough to milk their cocks when needed, and well-hung enough to pleasure each of their eager, lubricated asses.

Breathlessly, but for panted arousal, they watched as the first human of many began to change.