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The End of Duty

Summary:

When Xiao Zhan is assigned a new case where he has to find and eliminate an incubus, he believes it's going to be an easy task. He never expected his target to completely throw him off his track.

Notes:

Hey everyone!
It's been a while because RL is just crazy! But at least I had some time to participate in this exchange event and it was a lot of fun! When I saw the prompts, I immediately knew what I wanted to write! Demon!Yibo has been something I've been itching to write!

I hope you'll all love and enjoy this! Especially PaperNights, for whom this fic is!

prompts:
- xz is a demon hunter and yibo is a succubus

Hey dear PaperNight,

in your 'do-not-likes' you said that you don't like gender swaps, so I made Yibo an incubus instead of a succubus, because succubi are female demons. I hope that's okay for you and you'll like this fic!

(See the end of the work for more notes.)

Work Text:

The End of Duty 

 

1 The fifth angel sounded his trumpet, and I saw a star that had fallen from the sky to the earth. The star was given the key to the shaft of the Abyss.

2 When he opened the Abyss, smoke rose from it like the smoke from a gigantic furnace. The sun and sky were darkened by the smoke from the Abyss.

3 And out of the smoke locusts came down on the earth and were given power like that of scorpions of the earth.

Revelation 9: 1-3

 

There is an uncountable number of different kinds of demons in the world. They come in all colors and shades and forms. Some are mighty and some are but a whisper in the wind. 

Still they all have some things in common. They are all spiritual creatures - corrupted but anyway - and as those they all need to feed on energy. 

What kind of source that energy has differs from demon to demon. Some, like the vampiric kind, actually live off human blood. But they are special even among their own. Usually the source is more spiritual. Some demons feed off dreams, some off fear, some off lust and some off wishes. They lure humans in or visit them in vulnerable situations to feed off their emotions. 

High ranking demons even use life force, which is indeed unfortunate for their victims, as they usually don't survive or at least lose years of their life expectancy. 

Xiao Zhan doesn't actually care what kind of demon he's facing. There's only one way such an encounter can end - with a dead demon. 

It's not easy to kill them, but Xiao Zhan has been trained for this since childhood. He knows exactly what to do. His parents taught him well. While the other kids went to summer camp, spending their time with more math problems and ancient poems so they could have a head start in the next school year, Xiao Zhan underwent special training. He knew from a very young age that he would never go to a university and start a regular nine to five job. For him, the only future ahead was becoming a demon hunter one day. 

Being an obedient son, Xiao Zhan did what he was asked and never looked back. By the time he hit 30, his parents had settled down and started a calm life. They earned it after all those years of fighting evil. Xiao Zhan himself owned a small apartment downtown and worked for the DEF (Demon Elimination Force) - a sort of demon fighting police if you want to call it that. 

He doesn’t have many friends and the only ones he has are ‘in the life’ as the other hunters call people who also dedicate their lives to fighting off demons. One of his few friends is Xuan Lu, his boss. She’s a pretty, petite looking girl in her twenties, who knows her way around a knife better than anyone Xiao Zhan has ever seen. 

There are a lot of useful weapons against demons, the important part is that no wounds are fatal except injuries to the brain and heart. Put the knife into their guts and nothing will happen, you only lose your knife. 

It’s early on a Monday morning when Xiao Zhan comes into the office where he gets his missions and does some of his paperwork too. The DEF didn’t exist when he was a child, so his parents always hunted ‘on sight’. They searched the local newspapers for articles that sounded like demons were involved and then checked if they were right. Today, cases of demonic presence are assigned to an agent - sometimes also teams, but they are rare - and the agent takes care of them. Which means, he kills the demon. 

“You’ve got a case”, Xuan Lu says, as she places a file on Xiao Zhan’s desk, giving his coffee a judging look. 

“That’s music to my ears. What do we have?”, Xiao Zhan asks, taking a sip off his coffee as he flips through the file. It’s rather short to be honest. 

“Not much, but it looks like an incubus is busy in the suburbs. Targets young single men and feeds off their energy. But he’s sloppy. A young one, we guess. No proper training”, Xuan Lu explains, pulling a chair over to sit down next to Xiao Zhan. 

“Incubus? Haven’t had one of those in a long time”, Xiao Zhan says, raising an eyebrow. 

 “Yeah, they either get fewer or smarter. Who knows?”, Xuan Lu replies with a small sigh. Fighting demons is a bit like a never ending story. 

“So what’s the plan? Do I need to go undercover to get him?”

“That’s the plan, yeah. We need you to move into an apartment in his hunting area. Set up a trap for him and once he shows up, you’ll finish the job.”

Xiao Zhan nods. He’s done it before. It’s not the hardest task, especially if the incubus is young and inexperienced. His hunger will lead him to Xiao Zhan eventually. It might just take a few days, that’s all. And a bit of masturbation, but it’s not like Xiao Zhan is celibate, so he doesn’t mind. 

“Sounds doable, just give me the address”, Xiao Zhan says, sliding a note book over to where Xuan Lu is sitting. 

“The apartment is already set up. Just go home and get whatever essentials you can’t live without and then settle in”, she says, scribbling down the address and grinning. “This is gonna be so much fun. I know how much you like incubi.”

Xiao Zhan winces. He might be a gay guy but having his energy sucked out while coming isn’t something he’s looking forward to. Still, it serves a greater good and there are worse demons to go after than an incubus. 

“Have fun, sweetheart”, Xuan Lu says, finally getting off her chair and walking back to her office with a cocky smile. She assigned him that case on purpose. Xiao Zhan sighs. 

He finishes the current sentence of the report he’s been working on and saves it before packing up his stuff and driving back home. It’s not like he needs much. Most things he isn’t allowed to bring anyway and everything else will already be in the apartment. So he just makes sure that his beloved cat is fed - Xuan Lu will look after Jianguo later - and packs a few shirts because he doesn’t like wearing clothes that aren’t actually his. 

An hour later he types in the door code to the apartment he’ll be living in for the next few days until his target decides to show up. It’s not too big but also not so small that Xiao Zhan will feel suffocated. The furniture is modern and the decoration tasteful albeit nothing he would personally choose. Well, it’s going to be fine for now. 

Xiao Zhan doesn’t expect the incubus to show up that night already, so he takes his time settling in. He sets up a routine, pretending to be a normal officer worker in case the demon stalks his targets before approaching them. 

He’s done it before and although living a fake life always feels a little awkward at first, he wraps his head around it rather quickly. Making food, cleaning the house, running some errands. 

On the second day Xiao Zhan leaves early and goes to an office that often cooperates with the DEF where he pretends to work as an accountant. The pretense is good. It’s easy to sit at a PC and type stuff all day, at least easier than pretending to do something you’ve never learned. It’s fool-proof, Xuan Lu would say. 

Still, those working days feel like syrup dripping onto pancakes to Xiao Zhan. He doesn’t really have an actual task and just sitting around, waiting for the work day to be over is one of the most boring things you can do. 

Every now and then he chats with his pretend-cowokers, but that only buys him a few minutes. Needless to say, as soon as his working hours end, Xiao Zhan is happy to go ‘home’ and have a quiet evening that has to end with him masturbating so the incubus will catch onto him at some point. 

The routine is boring to be honest. 

It’s on the fourth night that things finally change. Xiao Zhan feels that slight tingle of excitement as he notices the presence of another being close by. The bait seems to be finally working. 

But it’s too early to celebrate a victory. The demon won’t actually show his face until the moment he wants to feed and for that Xiao Zhan needs to come. He acts as if nothing is different and gets comfortable on the bed just like he did during the past three nights. 

He calls up a hot doujin on his phone while pulling his cock out of his pants and gets to work. It’s a little awkward, doing this while he knows he’s being watched, but he’s a professional and it’s not the first time he’s lured an incubus in. 

At first he starts with a slow rhythm, dragging his fist up and down his soft cock that slowly hardens in his grip. As soon as he’s at full hardness, he increases the pressure and pace. He doesn’t need the doujin anymore. The presence in the room makes itself known, presenting him with what normal people would mistake as fantasies. 

The incubus, he’s handsome. They usually are, how else could they appear in people’s dreams and make them get off? But this one. He’s nothing like the others Xiao Zhan has seen. He’s tall, has broad shoulders and intense green eyes. His cheeks look fluffy and his dark, black hair falls softly into his face. There’s something about him that turns Xiao Zhan on beyond the mission he’s on. 

Fuck. 

He needs to stay professional, even in the presence of a guy he thinks is genuinely hot. Damn hot. 

And in his mind this pretty boy is taking Xiao Zhan’s cock into his mouth. He’s surrounded by a wet, hot cavern while a clever tongue teases him. This guy knows how to play his victims. He knows what Xiao Zhan likes. 

While the fantasy takes over his rational thinking, Xiao Zhan’s hand speeds up, stroking him harder and faster, just like the demon in his dream sucks him harder and takes him deeper. Those intense green eyes never look away. They stay locked onto Xiao Zhan’s face and he feels seen by them in a way he never has before. 

What the hell is going on?

The fantasy-incubus swallows around Xiao Zhan’s cock, his throat convulsing and the movement of the muscles makes Xiao Zhan moan loudly as he comes and spills his load over his hand. He barely has time to open his eyes and see him when he materialises to feed. 

The incubus looks exactly like he did in the wet dream. His chest is bare and he’s wearing short black pants with a pretty lacing on the back side that serves two purposes. One, it allows his cute black tail to easily move and it can be opened to fuck the boy without taking of his shorts. 

He’s currently kneeling on the bed, as he needs to be close enough to suck off Xiao Zhan’s energy. His eyes go wide when his victim emerges way earlier from the pleasure than expected. 

“You can see me!?”, he asks, half surprised, half afraid as he notices Xiao Zhan’s gaze. Most people don’t even bother trying. They are too absorbed in the amazing orgasm they have as the demon feeds off them. 

“Yes, I can see you. What does that tell you?”

“You’re a hunter”, the incubus concludes, eyes suddenly guarded. He takes a step back but suddenly can’t move further. “And you put up a demon trap?”

“It’s under the bed”, Xiao Zhan says with a wicked grin. “Looks like you’re not gonna leave tonight.”

There’s defiance in the demon’s eyes as he stares at Xiao Zhan in disbelief. “And now what? You’re going to kill me?”

“That’s the plan”, Xiao Zhan admits. Why lie? Demons know what happens to them if they are caught. It’s not rocket science. And any demon would do the same to a caught hunter, maybe even worse. 

The incubus crosses his arms in front of his chest. “Well, at least I got a hot one before I go”, he says and pushes his bottom lip out in a pout. 

What kind of attitude is that? Why isn’t he panicking? Or attacking? Does he want to die? Is it a trap?

“You think I’m hot?”, Xiao Zhan asks, trying to distract himself and his target from the sudden insecurity he feels. He likes this demon. Somehow. There’s something about him that’s hard to name but it draws Xiao Zhan in, just like in the dream earlier. 

The demon sits down cross legged on the bed. He still pouts. “Yeah. I mean, look at you. Pretty face, nice body. Sexy cock. I mean, I only saw it and gave you some ideas about what I could do with it, but it looks delicious”, he says shamelessly. 

It’s the first time Xiao Zhan talks to a demon, especially an incubus. He wonders if these guys always talk like this or if he just got the special snowflake here. Every other demon he lured in and trapped tried to fight for his life. This one compliments his cock. 

“What? Cat got your tongue?”, the incubus wants to know. He comes closer. The demon trap drawn under the bed is wide enough to allow him some movement. Xiao Zhan knows that’s risky but he couldn’t take his chances with his target realizing what’s going on before he started feeding. 

“As if. Got any last words? Wishes?”, Xiao Zhan asks. He usually doesn’t do that either but he’s still the one calling the shots, so why shouldn’t he try something new?

“Wishes? Sure as hell!”, the incubus replies, smirking around his bad pun. 

“Tell me. Maybe I’m in the mood. And be quick. We don’t have all night.”

“Ah? Don’t we? Got a wife waiting for you? No, you’re obviously into guys. Boyfriend? Husband? Although hunters aren’t often in working relationships, aren’t they? So, why the rush?”

Xiao Zhan clicks with his tongue impatiently. “Got a wish or not? I can finish this right now, demon!”

The incubus raises both his hands in defeat. “Wow, stay calm. My name is Yibo. Wang Yibo. Not ‘demon’. And yes, I have a wish. One you can actually help me with.” He looks so confident in the face of his imminent death. 

“And what would that be?”

“I want you to fuck me”, the demon - Yibo - says and Xiao Zhan thinks he’s about to gag on his own tongue. He heard it wrong, didn’t he? 

“You want what?”

“Don’t pretend to be dumb. You think I’m hot. Just like I think you are. Let me go out with a bang. Literally.”

Shameless. A menace. Xiao Zhan feels charmed. 

He knows it’s wrong. He knows that if he agrees the chances of him actually killing this demon shrink dramatically. Humans get attached if they have sex with someone. And getting attached prevents them from killing. From performing their duty. 

Still, Xiao Zhan is human. They make mistakes. They are emotional. That’s what sets them apart from demons, who know no remorse and no mercy. Except for this one? Or maybe Xiao Zhan just wants to believe that.

He knows that incubi and succubi aren’t exactly considered to be among the most dangerous kinds of demons. Mostly they just want to be left alone and feed in peace. It’s only the fact that these feedings can seriously harm humans and no demon can be treated differently from the others that they are even hunted. 

So maybe, just maybe, Xiao Zhan can at least grant this little demon his wish. And it’s not like it isn’t something that will give Xiao Zhan a lot of pleasure too. But then again… how is he supposed to kill the boy afterwards? 

Unless… unless he doesn’t… unless he finds a way around it.

“What are you thinking about so hard? Don’t like what you see? Or do you think I’ve had too many guys? I can promise you that’s not it. You’d be my first.”

The words burn through Xiao Zhan like a fever. His spent cock stirs just thinking about it. 

“I see at least someone likes it”, Yibo comments, grinning again. 

“You know I won’t kill you, if I sleep with you”, Xiao Zhan replies. He can’t do this. He wants to but he can’t. This incubus will continue hurting people. Maybe kill someone, even if not on purpose. 

Yibo just shrugs. “Maybe there’s a way I don’t have to feed and endanger other people”, he says, sounding cocky. 

Xiao Zhan raises an eyebrow at the incubus. He really can’t imagine how that is supposed to work. Demons need to feed if they don’t want to die. It’s either them or humans. And even less dangerous kinds, like incubi and succubi, can cause a weaker victim to suffer for example a heart attack. “What? Gonna starve yourself to death once you’re not a virgin anymore?”

Yibo laughs. The sound is warm, delightful. It’s so human that it almost hurts. “Oh, no. I like being alive. Thank you very much. But… if a had a stable, consenting source of food, that would be alright, wouldn’t it?” 

There are cases like that indeed. Of demons who live with one certain human and feed off that person. Couples like this are under close surveillance, but it does work. “I guess…”, Xiao Zhan says. If Yibo has someone he can feed off, why go after random targets at the moment. 

“Good. So, how about you keep me around, pretty gege?”, the little devil - in more than one sense - suggests. He wiggles his eyebrows and crawls closer, not one bit afraid that Xiao Zhan might kill him. 

Yibo moves up Xiao Zhan’s legs and sits down on his thighs, just inches away from where his limp dick is still out. This would be so embarrassing if the other party wasn’t a sex demon. 

“What? You want me to be your regular source?”, Xiao Zhan exclaims, as he processes what Yibo’s words actually mean. He’ a DEF agent. He can’t have a demon living with him and allow him to feed. There is a rule against that. There must be a rule against that. 

Big, soft hands slide up Xiao Zhan’s thighs and rest just shy of his crotch. “What? Don’t you think I could make you feel sooooooo good. I know you liked what I showed you earlier. But I promise, there are parts of me that feel even better than my mouth.”

Absolutely shameless. Again. 

Xiao Zhan wants to kick Yibo off, but he’s so endearing and charming that a part of Xiao Zhan really doesn’t want that. He could report back that the demon was willing to cooperate and he, as a specialist on the matter, offered himself as the food source. It would fit, right? He could do that. It’s a win-win for everyone. “How do I know that you don’t wander around and feed off other people?”

“You can keep me locked in a demon trap if you want to. I’ll walk into it of my own free will. Also, who would want someone else, if he can have you, gege? Look at you. Hot as fuck. You’ll keep me sated in so many ways.”

Xiao Zhan gulps and finally raises his hands to slide them along Yibo’s sides. The skin is warm and soft. It feels so human. 

“Is that a yes, gege?”, the incubus wants to know, leaning across Xiao Zhan’s belly to bring their faces close. 

“What do you think?”, Xiao Zhan says, finally closing the distance and capturing Yibo’s lips in a kiss that feels just as hot as he expected it to be. The little demon moans and moves even closer, kissing back with what feels a little like desperation or impatience. It must be hard, being an incubus and yet untouched. 

Xiao Zhan runs his tongue across those pink, plush lips and feels the pressure give in as Yibo opens his mouth and allows Xiao Zhan to enter him this way. They both moan as their tongues clash and rub against one another. It’s a dance for dominance that Yibo is apparently all too willing to lose, as he melts into Xiao Zhan’s embrace. 

The distraction allows Xiao Zhan to sneak his hands up Yibo’s bare chest until he reaches those perky nipples. A full body shiver runs down Yibo’s body as Xiao Zhan pinches them and flicks them at a rapid speed. 

“Ah, gege. That’s… no fair… I don’t even know your name… How am I supposed to moan it?”, Yibo asks after breaking the kiss and sitting back on his heels. Not that this would stop Xiao Zhan from abusing the cute, little nubs.

“Call me Zhan-ge. That’s who I’m gonna be for you starting today. Your Zhan-ge, who fucks you just the way you like it.”

“I don’t know what I’ll like yet.”

“I’ll make you like it, believe me”, Xiao Zhan replies. The playful banter is such a turn on. Even his spent cock is back to being half hard after just a kiss and some nipple play. “Will you do as I say, Bo-di?”

Yibo nods and wets his lips. The head of his hard cock is peeking out of the shorts he's wearing. A lewd temptation just for Xiao Zhan to take. 

“Good boy. Come closer. Kneel in front of me”, he demands and Yibo follows his command. 

Xiao Zhan places his hands on Yibo’s waist to hold him in place while Xiao Zhan takes one of his nipples into his mouth and sucks on it. 

The cry of pleasure he receives for that goes straight to his cock. Yibo shivers and mewls at the stimulation and Xiao Zhan can only imagine what he’ll sound like while being fucked if this is reaction to nipple play. 

A clever tongue keeps teasing Yibo, while the other nipple is being pinched and rolled between nimble fingers. “Zhan-ge… ah… that’s… please…”, Yibo mumbles, his fingers digging into the skin of Xiao Zhan’s shoulder, where he’s trying to hold on. 

But Xiao Zhan doesn’t even think about letting go. Instead he bites and sucks the poor nub and then changes to the other, repeating the teasing until Yibo is a moaning mess in his arms. His cock is leaking already and the little demon almost screams when Xiao Zhan wraps his hand around it. “Do you already wanna come, Bo-di?”

“Yes… please, Zhan-ge. Make me come”, Yibo pleads, voice higher than before. He looks amazing like this, with his eyes glazed over and unfocused. And they haven’t even gotten to the real deal. 

Xiao Zhan strokes Yibo harder, moving his hand up and down the demon’s cock at an unforgiving pace. Everytime he reaches the tip, he squeezes a little harder and swipes his thumb across the sensitive flesh. 

Yibo moans again, tossing his head back and shaking. “Zhan-ge… I’m close…”, he says, voice slurred. 

The honest reactions only make Xiao Zhan go faster, while he watches every miniature change on Yibo’s face. He is so pretty. 

Strong fingers dig deep into Xiao Zhan’s shoulders. It’s the only warning he receives before Yibo cries out and comes hard, spilling his release all over Xiao Zhan’s hand and torso. He’s glad to have taken off his shirt earlier as a precaution.

Keeping the pace, Xiao Zhan guides Yibo through his orgsam, milking every last drop of pleasure from the little demon sitting in his lap. Xiao Zhan is fully in control. He could easily hurt Yibo and that too fuels the heat settling in his bones. He really wants to fuck that mischievious incubus. 

While Yibo is coming down and recovering from his orgsam, Xiao Zhan traces his hands down to his butt and grabs the two round, fleshy globes for a moment. They are a perfect fit. Made for Xiao Zhan to grope. 

Afterwards, he opens the lacing that keeps Yibo’s shorts up and hides his most secret parts. Even if barely so. Yibo’s tail flicks across Xiao Zhan’s hand and he reaches up to grab it, which makes Yibo shiver violently within a heartbeat. 

“Oh? Is that a sensitive zone? Do you like it when I touch here?”, Xiao Zhan says, running his hand up and down the tail. It’s smooth and warm. No scales or anything. None of the fairytales are true. And Xiao Zhan, despite working with demons every day, has never touched one like this. Has never been interested enough to touch. 

“Yes… ahhhh… nnngghh… Zhan-ge… please… no more fooling around…”, Yibo sobs. He must be very sensitive after coming not even a minute ago. 

Xiao Zhan reaches for the lube on the nightstand and warms the gooey liquid with his fingers first before sliding one in between the supple cheeks. His index finger teasingly circles Yibo’s hole which makes him flinch. “Scared?” 

“No. Excited”, Yibo replies and rotates his hips as if to invite Xiao Zhan’s finger in. His tail curls around Xiao Zhan’s arm as well. 

“Little demon knows what he wants”, Xiao Zhan replies and slowly pushes past the tight ring of muscles to enter Yibo’s body. “Relax, baobei”, he whispers and kisses Yibo deeply to distract him. 

Sure enough the muscles soften and Xiao Zhan is able to push his finger in deeper. He starts pumping it in shallow thrusts, getting Yibo used to how it feels and then crooks his finger in search for a special spot that he hopes works for demons just as well as it does for humans. 

Sure enough, after a few moments of changing the angle again, Yibo moans loudly into the kiss and shivers again. “Oh fuck! Don’t stop”, he rasps, breaking their kiss and rocking his hips to increases the friction. 

“Wow, you’re one little slut for me, aren’t you?”, Xiao Zhan asks and keeps playing with Yibo’s sweet spot. 

“Yes. Yours. Told you, no one else but you”, Yibo replies, starting to bounce a little. 

Soon Xiao Zhan inserts a second finger and starts scissoring them inside Yibo’s tight hole, loosening him up. As soon as the muscles relax enough, he wraps his free hand around his cock and strokes himself to full hardness. “So you want me to fuck you, baobei?”

“Yes, Zhan-ge. I want you to fuck me. Please. No more prep. I can take it”, Yibo moans, hips rocking and in an attempt get more of Xiao Zhan inside him. It’s surprising how quickly his body adapts to the intrusion and Xiao Zhan wonders if it’s because he’s a demon or if that is just a Yibo-thing. 

Well, he can figure that out later. 

Right now, his cock feels like it might burst if he doesn’t get inside the pretty little demon in his lap soon. 

“Good. Then be a good boy and take it”, Xiao Zhan says, sounding a lot harder than he actually acts. He slowly lines his lubed cock up with Yibo’s hole and enters him once inch at a time. “Are you okay?”, Xiao Zhan asks, soothingly running his hands up and down Yibo’s sides.

“Yes… I’m good… keep going, Zhan-ge. I can take more”, Yibo confirms. His voice is hoarse in a way that turns Xiao Zhan on even more. He wants to know what his little demon will sound like fucked out and oversensitive. 

He slowly feeds him more and more of his cock, sliding into the tight, warm, wet heat inch after inch. Yibo is so tight, his walls squeeze Xiao Zhan’s hard cock vice. “Fuck, you feel amazing, baobei.”

“Yes? Do I? Would you ever want anyone else if you can have me every day, Zhan-ge?”, Yibo asks, pushing his hips down and taking Xiao Zhan inside on one go. 

It’s enough stimulation to force Xiao Zhan into gripping the base of his cock hard to stop himself from coming. “Damn, you fiend! Don’t make me come if you want to get fucked properly!”

Yibo laughs, the vibrations of it traveling to where he’s connected to Xiao Zhan. “Can’t keep up, gege? I bet I can make you get it up again in no time”, he teases, but slows his movements to make sure Xiao Zhan can adjust and calm down a little. 

After a few deep breaths, Xiao Zhan tentatively starts thrusting. Yibo is still incredibly tight, which isn’t surprising considering this is his first time. But he’s also unbelievably responsive, which is something Xiao Zhan loves in a partner. There’s nothing worse than a guy who lies beneath him like a wooden plank and doesn’t move at all, letting Xiao Zhan do all the work. 

Yibo is the opposite. He’s eager and a little impatient, but in a very cute way. And the fact that he’s riding Xiao Zhan makes it easier for him to take a bit of control too. But only as much as Xiao Zhan is willing to grant him. 

“Move for me, baobei. Show me how much you like it”, Xiao Zhan says, helping Yibo a little by raising him up by the hips. 

“Fuck! Zhan-ge is so big and hot inside me! You feel so good!”, Yibo groans, exposing the long lines of his neck as he tosses his head back. It’s an invitation Xiao Zhan can’t say no to, so he leans in and licks the sweaty, salty skin before planting small strawberries all across Yibo’s throat and neck. 

“Tell me how good it feels, baobei”, Xiao Zhan demands, fucking into Yibo a little hard, which makes him bounce in his lap. 

“Ahhh… It’s… nnngg… amazing… I want more… harder”, Yibo replies, voice desperate. But Xiao Zhan hasn’t found the magical spot with his cock yet. He adjusts his angle a little and thrusts up again, watching Yibo spasm as a wave of white hot pleasure consumes him. 

“That’s it. There we go”, Xiao Zhan says, making sure to hit that special spot again and again with every thrust. He doesn’t need to be fast or brutal. All it needs is hitting the right place to make a guy see stars. And Yibo is going to see them all. 

He bounces on Xiao Zhan’s lap faster now, taking him deeper inside as his body adapts to the shape and size of the cock inside him. It feels like Xiao Zhan is carving himself a home, as if Yibo’s body wants to remember his dick and be a perfect fit. Fuck, it’s hot. He should have known that fucking an incubus comes with perks. They are made for this after all. 

“Ahhhhh… Zhan-ge… so good…”, Yibo moans, bracing his hands on Xiao Zhan’s thighs as his back bows and his toes curl. 

“You like it? Such a good boy. Being fucked for the first time and already so eager for it”, Xiao Zhan praises, watching Yibo react. The guy has a serious weakness for praise. He practically preens and bounces his hips extra fast.

“Wanna be good for Zhan-ge”, he rasps. 

“You are. You’re so good for me, baobei. Absolutely perfect. Do you want to come again?”, Xiao Zhan asks, stroking Yibo’s hard dick with his hand again while thrusting harder and faster. 

“Yes, make me come again, gege. I want it. Please”, Yibo says, shivering. His cheeks are tinted a lovely red by now. 

Xiao Zhan likes the sound of Yibo pleading, but they are not at that point in their relationship yet. There’s plenty of time to explore all their kinks in the future. Instead, Xiao Zhan strokes Yibo faster and watches him as the pleasure mounts inside him and finally spills over the edge making him come for a second time. 

Yibo’s entire body relaxes after the orgsam hits and Xiao Zhan fucks him through it. He opens his arms and cradles Yibo in them, slowing his thrusts until he completely stills. “Are you okay, bobei?”, he asks softly, running a hand through Yibo’s wet hair. 

“Yes, more than okay. Amazing”, the incubus replies. He’s slightly out of breath and seems to have a hard time focusing already again. 

“Do you want to stop? We can continue this another time”, Xiao Zhan suggests. He doesn’t want to hurt Yibo, demon or not. Coming twice must be exhausting for him. 

But Yibo just shakes his head. “No, I want you to come inside of me…”, he whispers, sitting up straight again and moving his hips. 

Xiao Zhan hisses at the sensation but slowly picks up his thrusts again. “Anything you want, baobei.”

Yibo’s body is so supple now, as Xiao Zhan sinks into him. “Tell me if it gets too much”, Xiao Zhan reminds him as he picks up the pace again. He sits up on his heels and gently puts Yibo on his back, hooking his legs over his shoulders. 

“I will. Keep going Zhan-ge. Use me”, Yibo says, nails raking down Xiao Zhan’s back as he holds onto him. 

Xiao Zhan is pretty sure that he’s going to lose his mind over this boy. Worth it, he thinks. This is, despite Yibo not having any experience yet, the best sex he’s had in ages and if his little demons is as fast a learner as he appears to be, they are going to enjoy themselves immensely. Both of them. 

“Don’t tell me you haven’t been warned”, Xiao Zhan says, grinning down at Yibo. He positions his hips again and thrusts into him as hard as he can, drawing a scream from the boy underneath him. 

Yibo’s body tightens around him, squeezing harder every time Xiao Zhan buries himself inside. “You little monster”, he jokes, breathlessly as the fire burns hot in his guts. He wants to come so badly but he wants Yibo to come again too, so he needs to hold on and milk his prostate some more. 

“Demon, if you please. We’re not monsters”, the boy replies, cocky as he is. His nails dig deep into Xiao Zhan skin, leaving red marks along his back. 

“Yes, my little demon. All mine”, Xiao Zhan almost growls. He’s never felt this possessive about another person. But he’s also never felt like his blood was boiling during sex. It’s pure pleasure running through his veins. 

Every inch of skin that touches Yibo buzzes with excitement and the harder the thrusts the more it feels like Xiao Zhan will be consumed by the hot body below him. 

“Want to come, gege? You can do it. Come inside”, Yibo whispers, the words ending in another loud moan as Xiao Zhan attacks Yibo’s prostate. 

“I’ll fill you up so good, baobei”, he promises, increasing the speed again. He knows Yibo is close again. His body is so very honest and open. “Come with me, yeah?”

“Ahhh… yes! Let’s come together!”, Yibo agrees, now tossing his head from one side to the next as Xiao Zhan keeps hitting his sweet spot dead on again and again, abusing the poor bundle of nerves to reduce Yibo to a moaning puddle. 

“Good boy”, Xiao Zhan praises, pulling at the sheets as the buzz under his skin increases. The waves of pleasure rise higher and higher every time Yibo’s tight hole swallows him and Xiao Zhan knows that he can’t hold on much longer. 

It takes all but two more thrusts until he’s finally buried under the searing hot wave of ecstasy that makes him empty himself into the wet heat around him so hard Xiao Zhan thinks he’s seeing stars. 

He can only feel Yibo come again as he’s being filled up, as Xiao Zhan’s senses are too overwhelmed by his own orgsam at the moment. It’s earth shattering. It’s nothing he’s ever experienced nor dared to dream of. 

It goes on forever and while he knows that Yibo is feeding on him right now, that only fuels the rush of his climax and prolongs it. Time does not matter. Only touch and connection do. And it’s the most intense connection he’s ever felt.

He doesn’t know how long the orgsam lasts, but by the time it ends, Xiao Zhan feels sated in a way he never has. At the same time all he wants now is comfort. To feel the other person in the bed and love them.  

Slowly coming down from the height and basking in the afterglow, Xiao Zhan therefore wraps his arms around Yibo. Is there something like love at first fuck instead of first sight? Xiao Zhan doesn’t know, but he sure as hell isn’t willing to spend another day in a world where Yibo isn’t by his side. “Does the offer still stand? You’re mine now?”

“What else would I ever want?”, Yibo replies, sounding sleepy after coming several times. His tail wraps around Xiao Zhan’s leg as if to hold onto him. 

Xiao Zhan chuckles and runs a hand down Yibo’s back before kissing him. “Sleep now, baobei. I’ll tell my team that I need one more day to finish the mission. We can get to know each other a little better tomorrow.”

“I’d like that. Zhan-ge, can you cook?”

“Yeah, but I don’t think demons need human food”, Xiao Zhan replies laughing. 

“Don’t need. But I want. It’s not like I’ll ever go hungry again, will I?”, Yibo jokes, his breath tickling Xiao Zhan’s skin. 

He doesn’t know if this will actually work out, but he has to try his best. Because Yibo is amazing, demon or human. It doesn’t matter. Sometimes all you need is to find the person who fits and nothing else is important anymore. 

“Never, baobei. I’ll make sure to keep you absolutely sated at all times.”

Yibo laughs softly at the words and it’s the most beautiful sound Xiao Zhan has ever heard. Who would have guessed that the person he’d feel so drawn to is a demon? Well, it’s the loveliest one Xiao Zhan can imagine. 

And he will make him happy every day. 

 

Notes:

That's it! Here we go! Hope everyone had fun and enjoyed my smut hahahahaha I'm so bad at this!
Love you all!