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Ryder waited at the club. His friend had told him to wait for someone here after the party ended, but he wasn’t sure what that person looked like, or really, why he was here. But the sergal had been feeling a little lonely, and his otter friend had told him to just wait at the club. A great place to meet people, that was what she had said. It looked like that kind of place, that was for sure. Airy, halfway between the elegance of a lounge and the dark, energetic potential of a nightclub. But one might’ve expected the best time for that, to meet people, would be in the middle of the party. But now, the DJ had already packed up and all that remained on the speakers was ambient music to keep the tone relaxed, and all of the guests had, from what he could see, left for the night.

So, in the other words, he wasn’t quite sure what he was waiting for.

He was being watched, of course, from the shadows. A pitch-black creature in the shape of a jackal observed him, trying to determine if this random sergal was worthy of his affections. Their mutual friend had told him as much, and she was rarely wrong when it came to, as he liked to think of it, personal chemistry… and whatever else he might come up with before the morning sun arose.

Navah, as he was named, was a demon, and that inner nature was what determined most of his actions, even if he could, with some willpower, resist it. In this case, there was little reason to. The sergal was here for a reason, of course. Maybe he felt lonely, maybe he was simply bored, but whatever his reason, it was something that Navah could certainly help with.

But either way, he seemed like delicious prey, and perhaps something more.

“Hello, otter-friend,” he called out, and the sergal spun around, startled.

He hadn’t seen the jackal at all. His fur was indeed black as night, and bar for some golden highlights – reminiscent of ancient Egyptian gods – and some dark reds, he blended in perfectly with the shadows until he moved. Even his curved horns, the tell-tale sign of demonic heritage of even being one, were a shade of black almost invisible until he didn’t want them to be.

“Oh, yes, h-hi,” the sergal stuttered. He wasn’t usually that awkward, but being caught totally off-guard had a way of making fools of men.

Navah stepped closer, revealing himself fully. He stood slender and androgynous. “I’m Navah,” he introduced himself, moving with a sensual grace that was hard to pinpoint. As if his entire being was seduction, every movement calculated and precise to be as sensual as possible. “And you, knowing our mutual friend, must then be…”

“Ryder,” he replied, slowly composing himself. The jackal had an aura, too. An imposing yet attractive presence. A faint scent in the air that Ryder couldn’t quite place –sandalwood, cactus figs, and something darker, musk or perhaps faint brimstone? – that was irresistible from the first moment it tickled his nostrils. “It’s, um, nice to meet you.”

“Oh, but the pleasure is all mine,” Navah purred. He took another step, and was now so close to the sergal that he could feel the heat radiating from the demon’s body. To some embarrassment, even feeling – or sensing – him that close made the sergal’s cock stir. “What are you looking for?”

“Well, um, you I suppose,” Ryder replied. There was that animal magnetism between them already, and the sergal felt every bit of it. He didn’t recognize the jackal as a demon, not right away, despite having encountered one before. “What… what did you think we should be doing?”

“Getting to know each other, my delicious,” Navah purred. His hands, slender but strong and very warm, came to rest on the sergal’s hips in a gesture far too intimate for two strangers, and yet irresistible and right. “Isn’t that why the otter sent you? Like a lamb to the… dinner party.”

That phrasing was when Ryder first realized what he was actually talking to. The way that the jackal seemed to regard him as a snack reminded him, strongly, of his first encounter with a hellhound a few years back.

“You’re… a demon, aren’t you?” he asked.

“I am. And clearly, a demon is what you’re in need of,” Navah replied, in a husky whisper. His hips pushed against the sergal’s own, and again, Ryder’s cock twitched as it swelled.

“She wouldn’t-” the sergal protested, but he was quickly silenced as he felt the jackal’s hands at his belt, and the button holding his pants up. “Wait, what are you doing?”

“Pretty much what our mutual friend predicted, I think,” Navan answered. And then, he caught the sergal’s mouth in a kiss. It was intense, passionate, and breathtaking, with the demon’s long tongue coiling around his own and distracting him from his pants being pulled down. It wasn’t until Navah’s fingers wrapped around his length and squeezed that the kiss broke. “I will claim you, if you let me. And you’ll always dream of me. No matter how much you pleasure yourself, it’ll never be enough.”

Ryder, dazed by the kiss and pleasure, was already dripping onto the jackal’s hand. He felt powerless, as if Navah had already stolen all of his agency in that one fel kiss. And when Navah stroked him, he nearly collapsed immediately. The jackal’s touch was amazing, and even when he let go, it was only so that the sergal’s cock could nestle between his warm thighs, another shudder-worthy sensation that made Ryder whimper with need.

“I could take care of you. But the more of your essence you give me, the more you’ll long after me,” Navah smiled. “Still… nothing too lasting. Not for the first time. The first one, as they say, is always free.”

He paused and squeezed his legs around Ryder’s shaft, enjoying the way the other male quivered with pleasure.

“Please,” Ryder managed to choke out, even as it felt like his throat was clenched shut by those whimpers and moans that barely felt like his own voice.

Navah gazed deep into the sergal’s eyes, with the closest approximation of innocence that a demon could muster, though even then, it was framed by an infernal, natural dominance. “Please what?” he asked.

It wasn’t that he was desperate. But the demon’s touch inflamed something within the sergal. Ever since that meeting with the hellhound, he had been hopelessly weak to their touch, but he had come out of that meeting ultimately unscathed otherwise, hadn’t he? So what harm was there in letting this one do what he wanted, too?

It was just one orgasm. But there was some internal resistance to the idea. Safeguards that had triggered and made him hesitate, knowing first-hand just how dangerous demons could actually be, when it came to it.

Sensing that hesitation, the jackal gently pushed Ryder against a wall and then spun around to grind against his stiff length. That was exactly the moment that Ryder could’ve pushed him away, but instead of that safe, sane, and perhaps somewhat anticlimactic action, he moaned as Navah rubbed against him.

“Please what?” he repeated, with more insistence, craning his neck to look at the sergal’s barely suppressed expression of pure lust, with a cunning smirk of his own in response. “If you don’t tell me what you want, I’m quite powerless to help you.”

“Please make me cum,” he huffed.

“Are you sure that’s a good idea? Giving a demon more of your essence like that?” Navah replied, but he had already turned around, slowly sinking to his knees, both hands tracing the sides of the sergal’s body and leaving little furrows in his fur. “Well, I suppose it is like I said. The first one is free, so…”

He opened his mouth and took Ryder’s entire length into it in one smooth motion, one that also had his long, prehensile tongue coil around the throbbing shaft. He began to suck gently at first. Gently, but with obvious demonic hunger.

And Ryder, somewhat naïve and inexperienced as he was, melted into that sensation. One moment he had, at least, the capacity to make conscious decisions. The next, he was moaning at the top of his lungs to the thankfully empty club, his hips rocking of their own accord and driving his hard cock deeper into the jackal’s mouth.

Perhaps, to any mortal, it might’ve been a little impolite to thrust deep into their throat the very first time their mouth touched one’s cock. Navah, however, was not a mortal, and like all demons, was built for this. Effortlessly, he swallowed down Ryder’s cock, and his strong throat constricted on it, leaving little doubt as to who that delicious cock belonged to in that moment.

Ryder shuddered and moaned, his claws digging into the wall behind him as the demon's throat squeezed around his throbbing shaft. The sensation was indescribably good and hellishly hot, but even hotter than that were Navah's piercing eyes looking up at him. They seemed to glow with sinful delight as he swallowed around the sergal's cock again and again, and his tongue kept lashing against his cock, teasing out rivulets of precum that the demon eagerly lapped up as if it were ambrosia, an elixir of pure life and lust… and mortal innocence that he would enjoy searing from the sergal’s body for his own consumption.

“Nngh, fuck-” Ryder panted, his whole body trembling on the edge of ecstasy already. The demonic heat of Navah's mouth and the relentless suction were rapidly unraveling what little doubt, resistance, and resolve remained in him. Giving in to temptation, the sergal grabbed the demon's curved horns and began roughly fucking his throat with passionate abandon.

Navah purred with appreciation, relaxing his throat as much as he could and letting his prey effectively feed himself to him. It was always such a beautiful sight to watch males lose themselves to their urges, and he drew energy from making it happen, nourishment for his corrupted soul.

But he didn’t let him finish, not like that, and not without saying the magic words. Suddenly, he pulled out, pinning Ryder’s hips against the wall with impossible strength. Yet, he stayed close enough to make sure his newest playtoy could feel his hot breath against his sensitive cock, reminding him of what he would be missing out on if he didn’t play along.

“W-why’d you stop?” Ryder stuttered, his voice a mess of frustration and disappointment. “Please keep going! I’m s-so close, so close.”

His cock, as if emphasizing his words, bucked in the air, scattering a string of warm precum over Navah’s jet-black muzzle, leaving it glistening with lust.

“Say my name. Tell me to claim you. Do it! Scream it out loud,” the jackal ordered him, now with barely concealed demonic menace and desire, as his lips just barely brushed against Ryder’s leaking tip. “Scream for me!”

“C-claim me, Navah! Claim me!” the sergal cried, and in that moment, Navah took his cock all the way down his throat, one hand squeezing the sergal’s rump to pull him closer and the other cradling and gently caressing his heavy, eager balls.

Ryder came immediately, surrendering fully to the demon’s expert touch. He let out another moan and then throbbed, pleasure rushing through him as he twitched deep in the jackal’s throat, the first rope of cum erupting directly into his belly. The second, Navah pulled back for, catching the delicious taste on his tongue and savoring it, swallowing just in time for the sergal’s next offering. Each time the sergal’s member throbbed, jerking and twitching, spurt after spurt of his creamy virility filled Navah’s mouth, along with some of his essence, the part of himself that made his carnal lust identifiably his. And the demon devoured it all, rock-hard himself at the sensation of merely giving the mortal what was effectively the lightest nibble. The hand that had been squeezing his ass was now kneading his own bulge, though he knew he would have no release tonight.

The most delicious meals needed time to prepare, after all. Plenty of time. Navah wanted the sergal sick with desire, pent up to the point of begging, lest he burst, when he finally offered himself to the jackal.

But for now, he was simply happy to gulp down every drop that the quivering sergal’s cock fed him. And when that gushing flow ebbed, he finally pulled off Ryder’s spent shaft and leaned back, licking his lips to take in every last droplet of his essence that he could.

Ryder stared at him with a lust-drunk and empty-headed grin, unsure of what, if anything, he was even supposed to feel.

“Will I see you again?” he asked, finally, and watched the demon’s mouth curl into a wide grin.

“You will, if you want to. I’ll find you. But let this be a warning; next time, there will be a price to pay,” he smiled, before standing up, and catching the sergal in another kiss.

This time, Ryder got a mouthful of his own taste. He didn’t mind. Right now, the world was beautiful, and everything was great. He wouldn’t have minded a whole mouthful of his own seed, with how good the borrowed demonic vitality had him feeling. He engaged in the kiss with playful, enthusiastic glee, taking in the demon’s taste along with his own, and feeling his warm, humid breath. When the kiss broke, the jackal’s long tongue swiped over the sergal’s lips in a final gesture of farewell, with the same word whispered in hushed, husky anticipation, more like a promise than a farewell.

And then he said nothing more at all. That moment was all he got. Navah winked, and then left the stunned sergal standing there in the empty club, leaving the room with a delicately androgynous sway of his hips that almost – almost – had the sergal getting hard again.

---

That next week, he was consumed by lust. Well, not literally. But the demon was true to his word. Ryder kept thinking back to that encounter, and what the demon had said. You’ll always dream of me. No matter how much you pleasure yourself, it’ll never be enough. And so, it seemed to be. At work, his thoughts drifted to the demon’s sensual touch on his cock. The squeeze of his throat around it. The feeling of being completely drained, but of what? The sergal wasn’t sure. His soul, maybe. His mortal essence?

It had left him invigorated, though. Invigorated and shameless, to the point he had ordered a leather harness not too long afterwards, and as he sat at work, he wore it under his blazer. It made him feel so deliciously naughty, a little secret to keep from his coworkers. How scandalized would they be knowing he was thinking of sex with a demon while working? That he was wearing something so sexy underneath his clothes?

The otter had promised to let him use her home in the coming week for any further encounters. She was usually busy elsewhere, and so her flat, high in the city skyline, was usually left vacant but fully furnished.

Ryder hadn’t dared to ask her if she knew that their mutual friend was a demon. Surely, she must’ve known. The otter was sharp to the point of her observations often being painful, she wouldn’t miss the signs. But if that was so, then she really had sent the sergal like a lamb to the slaughter, and was, probably, enjoying hearing about his corruption at the hands of her demonic friend.

Maybe masturbating to it. He couldn’t tell. But if she was okay with it, then perhaps demons weren’t as bad as the stories of old said? They were very emotional creatures, driven – often, at least – by singular desires, but then again, weren’t all animals? A hungry animal only sought food, a beast in heat only another kind of fulfilment.

It was with those kinds of thoughts that the sergal arrived at the otter’s home. He didn’t have a key, but he pressed a finger against the lock, and the door swung open, recognizing him.

Her apartment was dark and beautiful, decorated with the strange mishmash of styles that she seemed to always enjoy. Crystals here, electronics from the last millennium there. Silken curtains that blurred the city below enough to make it look like a sea full of stars, but let the light of endless streets and neon signs in enough to illuminate her home. Ryder found himself caught by the beauty of it, sitting down on the sofa – which faced the window, naturally – and letting the feeling of sonder wash over him, not even briefly realizing that the pitch-black demon he yearned for was already there, blending in as he did.

He tapped Ryder on the shoulder, and the sergal nearly jumped out through the large, scenic window, as startled as he got before he heard the demon’s soothing voice.

“Back again, are we? I told you that you’d never get enough,” he purred, and then buried his nose in the sergal’s neck, breathing in his scent. “I’ve missed you, too.”

“How’d you know I’d be here?” he asked. He had never told the jackal about anything. The otter has simply told him that this might be the best place to meet him again.

“I told you I would,” Navah replied, as his hands snuck under the sergal’s shirt, quickly discovering the harness. “After how well you fed me. And oh, it feels like you came prepared, this time. Prepared for what, though, I wonder… and if it’ll be enough or not.”

With that, he spun around the sergal, pushing the other male back down onto the sofa, and without asking, climbed into his lap.

I guess just sitting with him won’t be that bad. The alarm bells were once again blaring in Ryder’s head, but he chose to ignore them. Navah was just too interesting. Too magnetic, despite all the bad things he had heard about demons.

Granted, it was probably going to be difficult to resist a lithe, almost androgynous creature sitting in your lap regardless of if they were a demon or not, Ryder told himself.

“I will, however, give you a chance to run away now, if you’d like. Push me off, and walk away. I won’t try to force you into anything at all,” Navah grinned. But he was already so close that he knew the sergal wouldn’t do so. It took enormous willpower to deny a demon, especially after they had already established a connection, and Navah distinctly remembered the taste of the sergal’s seed splashing over his tongue.

“And if you don’t run, well, you know where that’ll lead you. Let me show you,” Navah continued, and then, placing his hands on the sides of the sergal’s head, caught him in a deep, passionate kiss. The long, demonic tongue uncoiled into Ryder’s mouth.

At first, it was a mere kiss, accompanied by the feeling of the jackal’s soft ass grinding down against Ryder’s crotch. He moaned into the kiss, already thrusting up, to feel more of his infernal lover as their tongues tangled. But then, the jackal pushed his tongue deeper, into Ryder’s throat, and the sergal realized that he couldn’t breathe.

Navah soothed the squirming, borderline panicking male with his hands caressing his face and body, as well as the very physical promise of soon riding him, distracting him from the unnecessary animal fear of choking. He wouldn’t let that happen, but he did know it to be a delicious spice for any lust mortals might feel. And Ryder, he could tell from the way his cock was throbbing even stuck inside his pants, was feeling a lot of it. A lot of eager, hot, delicious lust.

Ryder squirmed, indeed. He couldn’t breathe, with the demon’s hot muscle filling his throat. He couldn’t breathe, and for some godforsaken reason, that turned him on. It turned him on like crazy. Especially as the demon’s hand slipped down to free his cock, it nearly made him pass out from pleasure rather than from the lack of oxygen. His shaft sprung out, painfully hard, nudging itself between the jackal’s cheeks. Next, the demon pulled down his own tight rubber pants, all the while not letting Ryder take a single breath. He could breathe neither in nor out, and quickly, his vision began to dim. But as it did, the pleasure spiked higher and higher. His throat bulged around the demon’s tongue, and just as he was about to truly pass out, Navah pulled his tongue out.

Ryder inhaled greedily, desperately, and the demon took that moment to breathe his demonic breath into his mouth and lungs. It tasted like sulfur, and the effect was immediate. It was corruption, pure and simple, and the sergal had no choice but to take it into himself. His head swam, instantly flooded with images of himself in countless carnal positions, endless scenes of perversion and lewdness, all of them centered around him worshipping and pleasuring demons, and most of them specifically about the jackal, from the perspective of a previous victim.

He saw himself on his knees, slurping eagerly on demonic cocks. Not just one. As many as he wanted, and he wanted them all, to taste every little bit of infernal lust and to take their taint into himself.

He saw himself on all fours, his ass gushing with cum as demon after demon in all shapes and sizes emptied themselves into him, breeding him full of their cum as he slowly transformed into a more demonic shape himself.

He saw himself soaked in lusty, demonic essence, his fur everywhere save for a few red highlights, just like the jackal’s, as he took it all in. He was growing horns, even leathery, hellish wings, his features sharpening until he, too, was a creature of pure burning lust.

Most of all, he saw himself as a full demon, just as Navah’s previous victim had ended up: fucked, used, strapped to a rack as he underwent his final transformation, moaning and growling as the corruption fully took hold, a scorching lust surging through him like wildfire- no, like felfire.

“Pleasure me, pet,” the jackal ordered him, his voice a breathy purr.

Ryder shook his head, the visions fading, and obeyed. He leaned down without hesitation and took the jackal’s tapered, knotted cock into his mouth, just as he had in the fantasies still fogging up his thoughts with blind desire. He tasted amazing, like- like- perhaps like pure lust- Ryder could barely think at all for how impossibly horny he suddenly felt, licking and sucking the demon’s cock like it was the most important thing in the world; the feeling of it, warm and thick, against his lips was like heaven. An almost scalding hot spurt of precum erupted against the back of his throat and he swallowed, shivering at the sheer eroticism of it.

“Good boy,” Navah rumbled.

And at the same time, Ryder had already begun to change. Slowly, but surely, Navah’s corruption was beginning to take hold. It soaked into his body, and the more he surrendered to his lust, the bigger and more lasting the changes would be. For now, it was simply his white fur darkening, just like in those fel-fueled fantasies, starting around where the jackal’s cock had touched him, and now around his snout, marking him. Ryder felt like he could’ve stayed there forever, sucking on Navah’s cock, but the jackal stopped him.

“I can’t cum yet. Oh, I need it just as badly as you do, my love, but… I need you inside me first. Every inch of you, every ridge of your shaft, your seed warm and plentiful in my body,” he begged. He was, certainly, incredibly riled up, but as always, nothing was straightforward with demons. “Just promise me that you’ll accept a gift of mine in turn, and we can both cum.”

And there it was, the catch that one always had to look out for with demons. Ryder, desperate to pleasure him more, and even more desperate, suddenly, to fuck the demonic beauty straddling his cock, didn’t see it at all. He agreed immediately.

“Good boy,” Navah repeated, and with warm, slender fingers, guided the sergal’s cock between his cheeks to press against the tight ring of muscle. “Now give me all of yourself. Every last drop of your essence, your seed…”

Having the demon suck him a week ago had felt divine, if in a rather nontypical sense of the word. But it didn’t compare. Nothing compared to the head-spinning sensation of Navah’s body engulfing his length, his tightness clutching around every inch as it pushed into him.

“Mrrh. I need this,” the jackal growled, forcing himself deeper, almost as lost in the sensations as his prey was. It did, after all, feel good. The sergal’s cock seemed to press right up against his prostate, and at the same time, every other spot inside him that was sensitive in the slightest. His legs shook as he lowered himself further, inch by delicious inch until the sergal’s heavy balls were pressed against his cheeks. “O-oh fuck, you’re being s_-such_ a good boy.”

Not that the sergal needed the praise. He was drowning in pleasure either way, already thrusting up into the demon’s corrupting body, into the ravenous heat that would soon devour some part of him and bind the two together.

“You may suck me. And this time… you may make me c-cum,” the demon commanded, stuttering only briefly despite pleasure wracking his body with each motion of the sergal’s eager yet naïve hips. The fact that he was slowly corrupting himself, dancing closer and closer to the flame, was erotic beyond belief for Navah, as it was for all demons of lust. “And show me just how pent up I’ve gotten you. Don’t hold back!”

Navah realized that he might’ve gotten a little overexcited himself with how quickly the pressure in his loins grew as he begun to ride the sergal. He couldn’t help it; the poor, naïve beast was just so incredibly tasty. The enthusiasm with which he eagerly serviced the demon with everything he could was intoxicating, almost like a slave, or an adoring pet. He gave a bark of pleasure as the cock buried deep under his tail nudged against his prostate again, and then another as his unwitting lover’s tongue coiled around his tapered, leaking cockhead, drinking every droplet of precum that he could.

Navah realized, to his chagrin, that he was going to cum first.

“Oh!” he groaned. “Oh f-fuck, Ryder, I’m going to-”

There was, perhaps, some embarrassment in a demon surrendering to pleasure before his prey. But it felt far too good to care, and Navah, for all his dark dominance, moaned happily as the first wave of wet, spasming pleasure washed over him. Navah’s plan had only been to taste a little of the sergal’s own essence again, but with his obedient mouth tightly on his cock as it first throbbed in orgasm, well, he certainly wasn’t opposed.

Ryder felt the jackal clench around his cock before he could even process those words of warning, and replied with a muffled moan around his cock as it swelled between his lips. Then, there was that sweet first throb, almost somewhat menacing, as if this was one of the moments that would determine the future of his existence.

He could have pulled off. The jackal wasn’t holding him down, or anything of the sort. Only his own lust was, and it wouldn’t allow him to stop no matter what the consequences might be. So, when Navah throbbed again and Ryder’s mouth was suddenly awash with warm, thick cum, he could only swallow while marveling at the taste; it was even more intense than the twitching cockmeat that delivered the tainted seed into his mouth in flavor, in that indescribably raw sexuality non-flavor the made him shudder from head to toe. It felt beautiful sliding down his throat and into his belly, hellishly hot all the way down to the point it made his entire body feel warm.

It was absorbed almost instantly. Well, some amount was, and it was enough to push the sergal over the edge before Navah had even finished “feeding” him. Another desperate, almost pathetic moan around the jackal’s cock followed, and then Ryder forced himself as deep into Navah’s body as he could, thrusting up hard, anything to feel more of that all-encompassing sexual heat around himself.

He came too, filling the demon with his gift of essence, in heavy spurts. Again, there was that wonderful sensation of being utterly drained and left blissfully empty like a husk but for the warmth of the demon’s corruption flooding his belly. An orgasm inside a demon, of course, meant much more than the mere fluids that each spasm of his cock produced. It was a profane offering, delivered with the warm and plentiful cum.

Navah drank it in. For a demon, it was one of the most beautiful feelings possible.

But as his orgasm ebbed, Ryder felt something different. That emptiness inside him was replaced by warmth, yes, but also a whisper. The demon’s soft voice, in the back of his head.

“Letting me in so quickly? Oh, your soul is so delicious, so vibrant,” Navah spoke, in Ryder’s mind. Lust, need, and desire all followed in the wake of his voice, further filling that emptiness. “Don’t worry. Only a nibble. Not enough to make anything permanent… not yet.”

Ryder could only pant. He wasn’t quite as quick to recover from his orgasm as a creature of pure lust was, by the necessity of his entire existence. Only hesitantly did he let Navah’s cock slip from between his lips once it ceased throbbing, but at least the amazing taste would linger on his tongue for the longest time.

The fur around Ryder’s cock was also black with corruption, just like the jackal’s, as he pulled himself off that length. But though he had both his climax and his snack, Navah wasn’t done yet.

“Don’t forget your gift,” he grinned, holding out in his hand. In a burst of flame, a little ring appeared, engraved with runes. “Though, it’s not for your fingers.”

Of course it wasn’t. It was a cockring, and Ryder recognized it as much. Still, as if on autopilot, he took it from the jackal’s black hand and slipped it onto his softening shaft. There was no real way to renege on promises made to demons, after all, not without enormous willpower, far more than the sergal possessed after having been so thoroughly pleasured.

“What… is it?” Ryder asked, still struggling to fully catch his breath.

“It’s called an inhibitor,” the jackal emphasized, and then leaned down to briefly let his lips brush against the sergal’s spent cock. “A particularly fine piece of artifice of mine.”

“A-and what does it do?” Ryder asked. It felt snug and warm around his cock. Warm in the way that told him it’d never fully cool, forged of some infernal metal as it was.

“Well now, it’ll let you experience all the pleasure you want. But while wearing it, you cannot cum without my permission,” Navah grinned. “I will take it off next time, if you so desire…”

“Next time? Is that your plan, demon?” Ryder groaned, with a sudden flash of clarity. “Leave me so pent up that I willingly give myself to you?”

“My plan? You’re the one eagerly taking each step. You can turn around and walk away,” Navah chuckled, darkly. “But until then, until next week… here, or wherever you are, I will find you. Enjoy being more desperately horny than most mortal men will ever experience.”

“Why are you doing this?” Ryder asked. “Why not just claim me now?”

“Because the tastiest fruit is the one that takes some time to ripen,” the jackal grinned.

“Navah-” Ryder called out, and reached for the demon, but he was already gone, tainted smoke in the air, having returned to wherever it was he lingered between encounters. “Dammit, you can’t just leave me like that!”

But then, he heard that soft whisper in his head again, like a tingle that instantly made him want to touch himself again, no matter how spent he was.

“Don’t worry. I’ll be with you… in spirit.”

---

The next week that followed, between meeting with the demon, was perhaps the most debauched in the sergal’s entire life. No, scratch that. It was easily that, he realized, as his newest partner pulled out of him and left his ass gaping and leaking for the next, who quickly took his place under Ryder’s tail. He was delirious with pleasure. It turned out that the ring did prevent him from cumming, but it didn’t prevent him from feeling amazing all the time, which left the sergal insatiable.

It was obscene. It wasn’t long before he had called one friend after the other over, to either fuck or get fucked by him, and though his infinite stamina had easily brought each of them to orgasm, he hadn’t been able to reach anything describable as relief. And the cursed – perhaps literally cursed – ring wouldn’t come off his cock.

Well, once his friends ran out, he turned to strangers. Locals, and not so locals. Right now, his ass was pressed against the wall at a gloryhole. He had lost his sense of shame in the fires of lust a few days ago, and perverted as the act was, he didn’t care in the slightest about keeping up appearances.

Throb, throb, throb, went the thick horsecock buried to its owner’s balls inside him. The heat erupting into him was blissful, but it brought him no relief. Ryder realized that he had no choice. He had to meet the demon again, or he’d be like this forever, having to call in sick from work just because he was unable to think of anything but sex.

Like a demon, but with even less self-control.

Now, of course, with each indulgence – and in a short few days, Ryder had accumulated many sticky, pleasurable indulgences – something more of his new demonic side manifested into flesh. A pair of horns, only nubs for now, itched in his scalp, as did a pair of wings that wouldn’t be fit to fly with yet. But the most striking changes were that of his fur slowly turning black and red like night and blood, and the increased prominence of his cock. After all, demons were all sensual beings. It had grown an inch or two longer and noticeably thicker, harder to conceal with how it bulged against his pants when he bothered getting dressed at all.

All reversible, still, or so the demon had said. But at that point, Ryder wasn’t sure if he wanted to, he mused, as he scooped up some of the cum splattered over his muzzle and licked it off his fingers.

He’d just have to meet Navah again, once more at his otter friend’s home. Had she really planned this, all for her own lust or amusement?

---

The next Sunday, then – the demon seemed to love specifically profaning that sacred day – Ryder was once again approaching his friend’s home, his mind swirling with ideas and anxieties, fantasies and fears. Ryder had this feeling, like a heavy ball of white-hot lead in his gut, that this was his last chance to turn around and leave. Though all the physical changes that he had been through felt fantastic, the demon’s voice in his head had faded. There was just one problem; he already knew he wouldn’t. Beyond anything forced onto him by Navah, he understood, somewhat grimly but far more so with dripping lusty anticipation, that he had already passed the point of no return.

He entered the apartment, and there Navah was, in his full majesty. Naked and rock hard, in a display so far from his usual subtlety that it indicated overwhelming, shattering need. The kind that could influence even a demon’s behavior.

“I could not contain myself,” he huffed, immediately embracing the sergal with both arms. “I spent the entire week anticipating this. And I can taste that you did too, my sergal. I watched all the dirty, lustful things that you did, and oh, you’re in even greater need than I.”

He pressed himself against Ryder’s body, letting the sergal feel that hot, swollen hardness rub against his body.

“I have something to tell you,” he added, in a honeyed whisper. “It’s too late. Even if you tried to run now, I wouldn’t let you. Stepping through that door was your last chance, and…”

He paused, reaching down to pull off the increasingly demonic sergal’s pants once more, and wrapping his fingers around the stiff, achingly hard length that sprung free with practiced ease.

“…I can tell that your mind is made up too, isn’t it? You made the choice before you even left home this morning. Perhaps you made it when we first met. And don’t worry. I did all this only for you, my sergal. To ensure that what I will give you takes hold.”

Again, Navah paused, and then placed his hands on the sergal’s cheeks. “I have something different planned. But until then… I think we should kiss.”

Ryder had no time to reply before the demon joined their mouths, once more. And there it was, his tongue, immediately diving for his throat. This time, there was no panic, at least not immediately; he knew that his lover had other plans. Rather than squirming, he let himself melt into the sensations of getting so strangely throat-fucked. He welcomed it, though. Welcomed the jackal stroking his painfully hard cock with a lover’s touch, even as he slowly choked the consciousness out of his increasingly tainted body.

Together, they sunk onto the carpet-clad floor, the naked demon in Ryder’s lap and grinding against him, yet batting his cock away every time it almost pushed against his hole.

“Not yet, my love,” the whispering voice in Ryder’s head told him. “Not yet. But don’t worry, I won’t let you go even as your body does, I won’t let you go.”

Sure enough, Ryder’s oxygen was rapidly running out, and yet the demon’s pulsing tongue refused to leave his throat. Slowly, with each heartbeat, the pleasure grew and grew as strength left his body, even as flickering little fires danced in the corners of his vision. His cock was as hard as his body was limp, as if the riskiness of what was happening was turning him on more and more. It was a strange feeling, but deeply erotic. He had never imagined that being swallowed up by the void’s warm embrace could feel so soothing and… sexy.

“Every heartbeat of yours is mine, sergal,” the demon’s voice sounded. Ryder was dripping into his hand as he slowly went fully limp, his mind fading away, vision once again narrowing to a tunnel, and this time, going entirely black. “I won’t let you die. You can let go.”

He did just that, embracing the coming darkness. He wasn’t even able to breathe, anyway, so what could he do? He was, just as he had been from day one, fully at the demon’s mercy, like putty for him to shape as he wanted. Another weak squirt of precum soaked his hand further as Ryder’s consciousness slipped into darkness.

There we go. Navah slowly withdrew his long tongue from the sergal’s throat, letting him breathe again. It’d be a few minutes before he woke up, and before he did, some preparations were in order. A newly minted demon could be ferocious, desperately hungry, outright bestial. And as such, Navah wrapped his strong arms around the nearly unconscious sergal to carry him to a rack he had prepared earlier, in the middle of their mutual friend’s living room where the windows overlooked the glittering city. He hoisted the other male onto it and then strapped him down, with thick leather cuffs that’d make sure he didn’t overreact when he experienced the full force of infernal corruption. Being such a good, obedient boy, Ryder had been wearing his harness, and that, too, was fastened to the rack.

Then, before doing anything else, Navah took a moment to simply admire his handiwork. The sergal looked beautiful, tied up like that. And he was still innocent enough, despite the first telltale signs of corruption being plainly visible. Innocent enough to be delicious. The jackal soaked in the moment, appreciating the now ripened fruit that he’d soon pluck.

He couldn’t resist for too long, of course. Even demons had their limits, impossibly high as they were. Slowly, he placed his tapered tip against Ryder’s unresisting pucker.

“Time to wake up, my love,” he spoke, and the force of his words stirred the sergal from his slumber. He awoke startled, drawing in a deep, gasping breath the same second that the jackal’s cock sunk into him.

“Wha-” Ryder moaned, and then his voice dissolved entirely into shameless, almost whorish moans as the jackal began to properly fuck him. He didn’t hold back, each thrust so hard that it shook the entire rack. “I- I’m sorry master, I couldn’t say awake!”

“O-oh, never you mind that now. You have other things to worry about. Such as pleasuring me as I devour what innocence and mortality you have left in that juicy body and soul of yours,” Navah snarled. He flexed his cock inside the sergal to make sure he felt every inch as it plunged into the heat and tightness again and again.

He burned inside Ryder’s body, but not in a painful way. It was an all-consuming flame that left him dizzy with pleasure, his own cock twitching and leaking onto his belly, just on the edge of orgasm and yet unable to cum thanks to the cursed power of the ring that had been fastened on him earlier.

With each spurt of precum inside the sergal, the world grew a lot more vivid, and his body filled with a tingly warmth that could only be demonic corruption, like his soul was being slowly transformed into something almost unrecognizable and yet darkly familiar. New desires and lusts bloomed inside him, the likes of which he had never felt before, and all he could do was moan helplessly.

And Navah? He fed. This was it. This was the moment a demon’s whole life was centered around. The claiming of a mortal and transforming them, mind, body, and soul, into another lusty demon. He was close, almost disappointingly close, but the sergal excited him like few mortals ever had before. His teeth grazed Ryder’s neck, planting little bites here and there as he rutted firmly into him, battering the sergal’s hole with his knot.

“Are you ready? Can you feel it yet? That beautiful sensation of your mortality melting away?” the jackal purred, narrating the experience for his victim. “Soon, you’ll feel nothing but need and lust, except when I allow you to cum, or when you’ve just fed… as I am feeding right now.”

“Would you like to see?” he added, but without waiting, he yanked the sergal’s head around, placed his lips against the sergal’s nose, and exhaled, filling his lungs with that hellish, yet deeply aphrodisiac breath.

The world swirled, shattering into a thousand visions of Ryder once again witnessing himself in all possible acts of debauchery, and a thousand more that he hadn’t known were possible. But then, the vision shifted to that of a dark red cloud engulfed by red and purple that seemed to merge and assimilate into it. Immediately, Ryder understood that he was watching the permanent corruption of his own soul by the jackal’s… essence, or whatever demons had, and if it hadn’t been for the ring around his cock, he would’ve cum instantly.

“Breed me, master, please,” he begged, utterly lost in the daze of pleasure.

The jackal’s knot popped into him, the demon hissing from between clenched teeth, and Ryder himself gasping for air. This was the true point of no return. What would finalize his complete and total corruption.

Ryder welcomed it. He wanted it. To be just like his new master. He wanted it more than he had ever wanted anything before.

Navah switched to quick, fast thrusts, only as long as his knot, tugging on the sergal’s entrance, would allow.

“You must make only one promise to me, and I will give you what I want,” the jackal goaded him. “There is one last gift you must accept.”

“Yes, master! Anything! Please breed me!” Ryder cried.

The ring around his cock glowed, almost white-hot as if the enchantment strained against countless orgasms.

The jackal, finally, reached his peak.

With a dominant, possessive snarl, he slammed himself as deep into the sergal as his cock would allow him, and shivering all over with tainted pleasure, erupted inside him, hard. His entire length bounced as the first rope of corrupting seed lanced deep into the sergal’s body. And then another, and another, in a rhythm so familiar that it was easy to forget what it would do, especially sealed inside Ryder’s body by the jackal’s swollen knot.

Ryder felt only heat. His stomach was soaked with his precum, the product of yet another prevent orgasm. The heat seemed to spread far beyond just where the jackal’s cum splattered in his depths.

“Please let me c-” he stuttered.

And then the full effects of his corruption took hold. His body suddenly rippled almost like water as the tainted energy of the demon washed through him. It came with strength and energy, a feeling of deep and total invigoration, but also a need that defied description, a need that burned so hot that it threatened to consume him, and would have, if the jackal hadn’t prepared his soul.

Purity, innocence, calmness. All such mortal concepts bled away from his mind, and meanwhile his body changed too. The sergal’s horns grew in fully, permanently marking him as a demon, just as his master had been marked, eons ago. And he felt incredible, like he could’ve and would’ve run off then and there to fuck the nearest hole, regardless of who or what it belonged to, just to find a figment of relief. Anything for even a breath of satisfaction.

The jackal, abruptly, begun to fuck him again.

“I will never take the ring off, my love,” he murmured. “But I will let you cum. Next time I do, you can cum at the same time.”

He picked up the pace again, drooling as he violated the sergal, drawing out what little mortality remained with each stroke and devouring it, leaving only infernal lust behind.

“I saved up so much for you,” he panted. “Enough to ensure every part of you is fully transformed. Next time you cum, you will cum out what little remains of your old life. And you will moan like a mindless slut while doing so. Embrace your new eternal life!”

The transformed sergal was immensely tight. It felt as if his entire body was sculpted to pleasure Navah, and even a demon could only resist such needy, perfect squeezing briefly. It wasn’t long before he pulsed inside the sergal again, but this time, he reached – in the exquisite build-up of his orgasm – down to brush his fingers over the ring, turning it off.

Ryder came. He came so hard he blacked out. Nothing existed except that throbbing, twitching pleasure that filled every fiber of his being as he painted himself, the floor, and even his demonic master white with his cum, the slippery remains of his mortality and innocence. At the same time, as he moaned – like a slut, as he had been commanded to – the jackal filled him again, with one final load. The transformative ripples wracked the nearly unconscious sergal, leaving no part of him unchanged.

There was little left of who he had been, by the time he had emptied his balls. Just a euphoric darkness that happened to look, for the most part, like his mortal body had, with the actual mortality cast aside like an unwanted excrescence.

“I… I need more,” Ryder gasped.

“You’ll get used to it, my dear. It can be… overwhelming, at first. But you’ll get used to it,” Navah smiled, with a certain warmth that he reserved only for his creations and corruptions. “But oh, you were exquisite before already… now, you are perfect.”

He ran a hand over Ryder’s head and his new horns, and like a cat in heat, the irreversibly corrupted sergal pushed his head against his master’s palm.

They remained like that for a while, with Navah enjoying the steady clenching of Ryder’s ass as he tried to milk another load out of him. But there was still the matter of the other gift, and so, slowly, the jackal pulled out. His knot tugged on the sergal’s now rather stretchy body, capable of feats far beyond his old one. Of course, there was still a twinge of pain, but it was limited to what would spice up the pleasure the most.

He popped out, and master and pet both gasped at the intensity of the moment, before Navah – his legs trembling in a rather unseemly way for a dominant, powerful demon, but pleasure was pleasure – circled his newest pet and presented his softening, cum-soaked length for him.

There was no hesitation. How could there be? Ryder licked his new master’s beautiful cock clean, shamelessly scooping up every last dreg of cum that his tongue could reach. It tasted like the sweetest nectar, like carnal purpose and wonderful sexual musk, immediately addictive to new demon. Irresistible.

“Well, well. Aren’t you eager?” Navah asked, in a mocking tone, as he admired the changed sergal. He felt that hellish pride, having been the cause of his transformation. “Oh, so very eager. I’m glad I tied you down, or you might never let go of that.”

He reached to scratch behind Ryder’s ears, and the half-sergal demon purred in lusty appreciation, dazed and horny as all new demons were.

“But you’ll get a better taste. We’re not quite done yet, and thus, now, for my final gift to you,” the Jackal grinned, trailing off as he produced another piece of runed metal, this one much wider than the one still stuck around Ryder’s spent shaft. It had to be a collar. Ryder knew that much and instinctively stretched his neck out, begging for his master to fully claim him.

“Please,” he whispered, longing to feel the warm metal around his throat.

The jackal held it for a while longer. It had one large ring for a leash, and several more around it, for whatever mischief and demonic kinks Navah could think of. Without hesitating, he placed it around Ryder’s neck, and then, with the sergal’s mouth open, slid his half-hard cock into that warm embrace, drawing a surprised mmph from his newest victim.

“Brace yourself, this might sting a little,” Navah murmured cruelly. “And watch those teeth.”

The next thing he knew was pain. A split second’s glance into the fires of hell, into a thousand hooks sinking into his flesh where the collar touched his neck, but too brief to fully sear into his senses and memories. Instead, it was almost instantly gone, the collar melded into his neck and the pain replaced by a tingle pleasure. Smoke, like burned fur, wafted past his nostrils, but the tightness around his neck was all Ryder really needed to know. It was tight enough that he’d always feel it, even if it let him breathe freely.

“Now let’s test if I’ve got the tightness down correctly,” Navah laughed at the younger demon’s overwhelmed expression, and thrust his cock into his throat. He was a little spent, by now, but the opportunity was too good to miss.

It was his turn to be surprised next, however, as Ryder – with his mind warped with endless lust – used the moment to slide his elongated tongue out to coil it around the jackal’s balls and knot both, surprisingly firmly pulling his cock deeper and even tighter than where the collar squeezed around his cock-bulged throat.

“Rrrh! You were made for this, weren’t you? Such a kinky one,” Navah groaned. His hands wrapped around the sergal’s new horns as he fucked deeper, and a little faster. Somehow, his playtoy had managed to fire up his arousal again, as if he had never cum.

“Ah, the collar will, it will- f-fuck,” he grunted. “When it glows red, it feeds on the effluvia of your soul and blood to keep you desperately horny.”

He rutted faster and faster, relishing the sensation of Ryder swallowing hard around his length. Already, Navah felt his balls tightening, and the sergal felt it too, clenching and sucking with a deep-set infernal hunger.

“S-so eager for your treat, rrgh. You were always a demon, weren’t you?” the jackal asked, grinning his lust-filled grin, before he finished explaining the collar. “A-and if it turns blue, it does the opposite. It gives you some clarity, at my mercy.”

Ryder barely heard anything his new master said, fixated as he was on the full sensations of his dominant cock pushing, again and again, into his mouth. He was hungry, desperately hungry. And he would remain similarly hungry until his being had settled fully into its new demonic nature.

He didn’t feel any kind of urgency to draw breath into his tainted lungs, now, giving him even more time to worship every beautiful inch of cockmeat filling his muzzle, and with that – as Navah’s shaft throbbed hard against his tongue – a glowing sense of pride swelled in his chest at how well he able to please his master.

“Dammit, such an eager cockslut,” Navah growled. “Fine, take it.”

He hilted in the sergal’s worshipful mouth one last time, and let himself go. There wasn’t as much cum, this time – perhaps the same amount that a pent-up mortal might produce – but what there was, was delivered in twitches and jerks, and Ryder swallowed every last drop of it, gulping loudly.

“Phew. Almost drained me, there,” Navah huffed, as his orgasm ebbed and he had to forcefully pull his cock from between the sergal’s lips. He took a moment to wipe it dry on his pet’s face, leaving him stained with cum instead.

“Thank you, master,” was all Ryder could say in response. Though he was a demon now, too, swallowing the jackal’s cum retained its intoxicating effect.

For a moment, Navah stood there, steadying his breath. And then he turned around.

“I’ll be here to untie you in the morning. Make sure you don’t do anything inadvisable in your youthful horniness,” he chuckled, trying to sound as casual as possible despite truly being rather winded and drained. “You’ll be horny as hell, but… you were horny as hell before we even met.”

Ryder closed his eyes. “Thank you, master. I’ll be waiting.”

Such an obedient one. I’ll have to explore his limits in more depth, Navah thought to himself as he disappeared once again, to return later and properly introduce his pet and protégé into his new life as a demon.

As for Ryder himself? He couldn’t have been happier. The world was brighter, more vivid, more darkly welcoming now, and he couldn’t wait to explore all of it again, as the true self that he had always been meant to be.

All he had to do was not get too horny and make the night tied down and waiting for his master absolute torture for himself. Easier said than done, he thought to himself, as he licked his lips and tasted the jackal’s cum on them. His cock stirred happily, not caring about how difficult it made the next hours for its owner.

Ah, well. At least Navah would feel enough of his arousal that he might return early…