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The demonic possession of Akechi Goro in the literal sense

Summary:

“Yes and yes.”

Goro frowned but took the hand offered to him, letting himself be dragged through the living room and towards the sofa.

“Yes to what exactly?”

“Yes to the sex,” Akira grinned. “And yes to the other question I found floating inside your mind since yesterday.”

Goro"s demon turns out to be a little pest but Goro turns out to be a fool, because he quite likes him like that. Plus, the sex is amazing.

Notes:

I know it"s been a long, long time coming. But finally there"s more demonkira :") I hope y"all enjoy it!

Work Text:

“Train conductor.”

“Too dull,” replied Goro with a heavy sigh, trying to will his headache away while his demon lounged in his bed, as usual not stopping his endless stream of babbling.

“Okay. Swim teacher.”

Goro finally looked up from his papers, stunned.

“What?”

Akira shrugged, his tail waving lazily in the air. He was lying on his belly, feet dangling in the air like a seductive girl in the latest chick flick.

(They’d watched it together. Akira had the uncomfortable, slightly adorable habit to steal mannerisms from what he watched other people do, in real life as well as on TV. Goro had to stop him from copying his subconscious thinking pose for a whole month straight.)

He had his horns outs, which usually meant he was in his flirty mood.

“It’s less dull. And I like water.”

“I can’t swim,” Goro huffed, then turned back to his papers.

Akira made a dissatisfied noise.

“You should change that, it looks like fun. Okay what abouuut…-”

“Akira, I’m not changing professions.”

He could hear his sulk in his voice even without turning around.

“But you don’t even like ghost hunting!”

“It’s different now that I know that ghosts actually do exist.”

The silence was the first thing that tipped him off that something was wrong - it was overwhelming and loud and carried a certain threat with it. When he finally turned around, Akira was sitting upright in his bed, arms crossed in front of his chest, skin glowing red and his eyes bright yellow. His horns had grown, were longer now, sharper somehow, and his hair was bristling from wind only Akira seemed influenced by.

Goro felt his tongue go dry. It hadn’t been particularly long since he picked up his own personal demon and dragged him out of a dusty, old café into his home. He was still getting to know him - but with that innocent, boylike demeanor, it had been easy to feel safe around him, to forget what lurked beneath.

He had never seen Akira like this.

… It was probably bad that the sight turned him on, wasn’t it?

“What… what is it?” he asked cautiously, suddenly very aware of the danger he had brought home, the hair on his arms rising slightly.

(He wanted him so badly.)

With a blink of his eyes, Akira calmed, the angry aura evaporating and leaving him with a crooked grin.

“You weren’t looking at me. You weren’t looking at me while talking about meeting other entities .”

“What? That-” Goro interrupted himself, his heart beating fast. Leave it to him to find the one demon who could possibly match his own burning jealousy. “For my job , Akira! I’m not interested in anyone but you.”

“You can’t know that. You haven’t met any other demons yet.”

He was sulking again. Beautiful, red lips pursing, boyish face turning into a downright adorable sight.

Goro sighed, pushed his chair back and got up to walk slowly towards the bed.

“You’re right,” he yawned, stretching his arms a little. “I might grow interested in some of them.”

Akira’s eyes widened in shock, their yellow gleam immediately returning, if weaker than before.

“Wh-”

“You best remind me,” Goro went on as if he didn’t notice, “of why I should stick with you.”

Understanding spread on Akira’s face along with a cocky grin. He pushed himself off the bed and met Goro halfway in the room, predatory gaze unblinkingly on him.

“Is that so?” he asked, his voice a low rumble, threatening enough to send a shiver down Goro’s spine but not so much that he got actually worried. “I think someone really ought to teach you that words have consequences.”

Before he could react or even realize what was happening, he was being grabbed by two strong, suddenly clawed hands and thrown onto his bed, Akira on top of him at lightning speed.

“If you wanted me so badly you should’ve just asked,” he grinned, his hands coming into Goro’s point of view. Long, clawed fingers, tearing at the fabric of his shirt until it was in shreds.

Goro let out a huff.

“If you’re trying to make me keep you by ruining my shirt, I have to tell you that’s not your brightest plan.”

“Ohhhh, you want to keep me ?” Akira laughed, his voice a mocking sing-sang. “What a cute little lamb you are. Don’t you know you’re the one kept?”

He let his claws rake down Goro’s chest softly, just enough to make red welts appear on his creamy skin and Goro swallowed hard at the sensation. Here he lay, underneath the weight of a demon, touched by claws sharp enough to seriously hurt him, being talked about like a prize, a thing.

He had never been more turned on in his life.

Still, he had some fight left in him.

“I brought you home, didn’t I?” he brought out between gritted teeth while he tried to stop himself from moaning loudly when Akira sat down lower, his ass grinding softly on his cock and fingers playing with his right nipple, leaving him breathless. “ My home.”

“Mhm-mh, your home,” Akira chuckled, the sound making him shiver pleasantly yet again. “You invited a demon into your home. Now it’s mine. Now you’re mine. I can infest you, possess you, corrupt you, drive you insane. I can isolate you. I could lock you in here forever, never letting you out again.” He kissed his way down his chest, making Goro squirm in the tight grip of his claws. “I could devour your soul in one little swoop, or tear it into pieces to savor one by one. I could drag you into hell with me. You’re mine .”

His voice had gotten loud, otherworldly, at the last words, their echo still sounding in Goro’s head while Akira bit down, leaving bruises on his waist and watched them blossom with a satisfied smirk.

“However, I’ll be content with just having you to myself like this.”

He felt Akira’s claws cut through his pants and shortly considered saving his favorite featherman boxers, but when he looked down, Akira was already naked (damn demon-magic!) and the sight of that mouth-watering dick was shutting him up effectively.

So he’d finally found it - the one thing he enjoyed more than Featherman.

“Spread your legs for me,” Akira breathed after he’d torn apart the rest of his clothes. “Show me who you belong to.”

Goro fought down the urge to obey, to cave to that velvety, deep voice and give his demon everything he wanted, and instead grinned up at him with sharp teeth.

“Make me. You’re the one with something to prove, after all.”

Akira’s resulting little growl was instantaneous and thrilling. He leaned down, his body pressing flat against Goro’s, deliciously heavy as he kept him in place, and drew him in for a possessive kiss.

“I will ruin you for everyone else,” he promised him with a breathy whisper into his ear, making Goro shiver again.

Now, Goro Akechi had heard these words a lot of times in his life, but he was fairly confident this occasion would mark the one time they rang true.

A strong knee slipped between his legs, nudging them apart and Goro grinned cockily as he clasped his legs around it instead, keeping it in place. Akira let out a fond little huff and then clawed, long and sinfully skilled fingers grasped his dick, making Goro see stars for a moment.

He let his head fall back, legs automatically sliding open to allow more access and Akira gave him a victorious little hiss as he slipped between them. Before Goro could do more than revel in the heat around his cock, before he could even get his thoughts sorted, something slung around his left leg, making sure that it was being kept in place. It felt like some sort of string looped around his leg, but when he pushed against it a little, he felt it tighten, felt warmth emanating from it.

Goro looked down with a blink and realized that Akira had wrapped his tail possessively around his leg.

He could probably cum there and then, in Akira’s unmoving hand, just from the sight and feeling alone. But instead, he let out a deep moan and let his head fall back down, his free leg rising in the air to hook behind Akira’s waist and pull him closer.

A grin appeared before him, toothy and cocky, yellow eyes piercing straight into Goro’s soul and he never wanted it to end. He would give him everything, readily, over and over again, no matter the dangers.

“Take me then,” he whispered. “What are you waiting for?”

Akira’s grin impossibly widened.

“For you to ask , of course. I told you.”

Goro opened his mouth. Found the words stuck in his throat. Found his tongue dry. He stared at Akira and Akira stared back, heat in those yellow eyes that so often hid beneath inconspicuous gray color.

Goro could sometimes almost forget just what exactly he had found himself caught in.

If it wasn’t for those eyes haunting him every night, reminding him who he belonged to.

He might as well tell them what they both already knew.

“Take me, Akira, please. Show me that I’m yours. Show everyone.”

Akira was chuckling against the tender skin of his neck, leaving sloppy kisses and light bite marks in his trail. His breath was hot and full of promise and so was the large cock that prodded at Goro’s entrance now, slid between his cheeks and spread his demonly pre-cum that tingled on Goro’s skin.

He’d grown familiar with that feeling by now, though he couldn’t say he’d ever get used to it. The way his ass seemed to relax automatically into it, the way it opened up for Akira whenever he wanted it… Fuck. He was actually feeling fevery now, heat and arousal making him dizzy when Akira, with one last kiss of his pink lips, shoved inside with a harsh thrust that made them both breathless for a moment.

“There you go, honey. It’s not that hard not to be a brat, isn’t it?” Akira chuckled. “Look at the nice reward you’re getting.”

Goro huffed.

“Like you’d want me any other way.”

Affectionate nibbles at his earlobe were enough of an answer. He subconsciously let his head roll to his side, closer to that magical mouth, wanting to offer more skin. He’d never get used to it. Being touched so intimately, so knowingly, drawing so much pleasure from it. The feeling of a completely mythical, all-powerful being, so utterly fixated on him alone.

The feeling of that smooth tail beneath his hands, scaled and strong, letting itself be stroked while it held Goro in place.

Akira shuddered on top of him, eyes falling closed for a moment as he enjoyed the tightness of Goro’s ass around him and the sensation of his tail getting touched.

(Goro had learned this fairly early into their new relationship - Akira loved getting his demon features touched by Goro. It was apparently some big demon taboo. Goro was happy to comply. In fact, nothing fascinated and lured him in him more.)

Akira started moving, setting a brutal pace he knew Goro could take. They always did this. A constant push for Goro’s limits that were never quite reached, might as well be bottomless. He clung to Akira, his arms tight around his body, as he rocked him on the bed with fast, hard thrusts, content moans spilling from both of them. For a while, there was nothing to hear but flesh slapping flesh and occasional moans, until Goro couldn’t take it anymore.

“Akira, ‘kira, ‘kira, please…” He could, absentmindedly, feel his own drool run down his chin, but barely paid it any attention. It didn’t matter. Nothing mattered but the glorious sensation of being full, of being stuffed to the brim with demon cock, of feeling so entirely and utterly wanted, absorbed and lost and helpless to something so powerful on top of him.

“Shhh, it’s okay, honey, I got you. I’m not letting you go. Ever.”

There was an edge to his words that made Goro shiver. He clung a little tighter. Offered himself further up to the being that already owned him.

“Please, please, please…”

Akira loosened his tail from Goro’s leg and he whimpered.

“No… no… Want it…”

“And you’ll get it, honey, don’t you worry, I know what you need.”

Hot breath brushed his lips as he spoke and then the tail was back, this time wrapping deftly around his cock, squeezing it tight before loosening again rhythmically and Goro couldn’t help it, he screamed out, seeing white from the pleasure.

Akira started moving on top of him again, his sweaty body against Goro’s, holding him in place, holding him down and Goro might never regain his brain cells, actually, they may have turned to mush entirely, irrevocably, and was that really a bad thing? He managed to raise his hands, only because Akira let him, and wrapped them around Akira’s horns, let his fingers feel for the sharp tips and he let out a long, languid groan.

Akira shoved into him one last time, holding still as demon seed filled Goro. It was more than a human’s and hotter, somehow, stickier. It always gave Goro the idea that it refused to leave his insides until it had adequately corrupted him, making him more and more addicted with each load.

He didn’t care. He accepted it with a twitching hole, contentedly moaning while the tail around his cock continued to milk him. Like Akira was barely even distracted by his orgasm. Like it wasn’t anything at all, really.

“Cum for me, honey,” he whispered against his lips, nibbling at Goro’s lips and he couldn’t exactly say no when that velvety voice was so enticing and demanding and soothing.

Goro came with a little yelp just as the tail constricted around him tightly, nothing coming out for a moment, until Akira decided it so, and loosened his tail, unleashing strings of white cum falling all over Goro’s pelvis.

Hot damn.

“Well, have I convinced you?” Akira grinned, nuzzling his neck impatiently with his nose and Goro let out a noncommittal little hum, too tired to form words or think or even let himself be teased (or possibly tease back).

Akira seemed satisfied with that response, lying down next to him.

“What do you think about being a Chimney Sweeper?”

A dying profession, Goro wanted to tell him. But he supposed as a ghost hunter, he really shouldn’t bring up arguments about a job being potentially a bit niche.

He instead tiredly wrapped his arms around Akira and mumbled, “just shoo them away then.”

And Akira laughed.

“Oh honey, that’s a given .”

 

Ghost hunting with Akira was… an experience. The first time, back in Leblanc, he had been messing with him a little, Goro knew today.

Now he was downright sadistic.

Oh, he could give himself to be a perfect angel to everyone they met. Nothing but charmingly unruly hair, a tendency he had picked up from TV where he kept playing with a single stray lock, looking adorably shy as he smiled heartwarmingly at the old lady they were meeting, gray eyes full of warmth.

She adored him, clearly. Immediately invited him in before Goro could even warn her not to (not that he had bothered). Offered him coffee and cookies while Goro - the actual Ghost hunter coming to her aid - was forgotten in the corridor of her house, sighing heavily.

This was going to be a long night.

 

“So, Saito-san, you’ve talked about odd apparitions…,” Goro asked her over coffee that wasn’t half as good as Akira’s.

(Apparently he had picked up how to do it from the Sakuras, which made sense but was also incredibly weird. He had a demon living in his house that made him coffee in the mornings and fucked him into paradise.)

“Oh, yes, yes you see, I think it’s my Bunta, my late husband, you see, coming back from the grave to tell me something… I just don’t know what it is.” She shook her head, clearly desperate.

Goro gave Akira a side glance, who shrugged.

“We’ll investigate,” he promised her. “Why don’t you wait at your daughter’s house like we talked about and I’ll- we’ll have a look around.”

Thankfully, Goro was not without charm himself - he had worked hard on his image, after all. And so she just smiled and nodded at him gratefully and let herself be gently steered out of her own apartment, leaving only Goro and Akira and whichever potential entity there was.

Goro turned to Akira.

“Well?”

“Huh?” Akira asked innocently, and a light in the background stopped flimmering suspiciously.

“Do you sense anyone?” Goro asked through gritted teeth. Something knocked against the living room window. “Stop that.”

“I’m not doing anything. Don’t you want to investigate?”

Goro gave him a flat look.

“Oh wow, honey, do you hear that? Someone turned on the water upstairs.”

“I swear to-”

“Please don’t swear to God, I promise you, He’ll hold you accountable, He’s petty like that.”

Goro closed his mouth. Upstairs, there was water steadily flowing out of an open faucet.

“There’s a God?” he asked, perplexed.

“Several. Some of which I killed,” Akira yawned. “But they all think they’re the only true one, it’s quite funny. I’m telling you, when dear old dad kicked me out, he really thought he’d be done with me and then the God of the underworld took me in and well. Here I am. The sexy demon of your heart.”

“Seems like both our fathers suck,” Goro grumbled. And then, while pointedly ignoring the way the kitchen door closed and opened randomly, asked, “Wait, so you’ve been an angel before?”

Akira snorted.

“More like… an entity. Angels aren’t really… We just kinda live up there to do His bidding, you know? My humanoid shape hasn’t changed all that much. And besides, it’s been centuries. Millennia. Who even cares anymore. Dad’s dead.”

“Did you-?”

“Yeah.” Akira gave him another grin. “Another one took his place, as they always do, but good old dad? Well, He got what He deserved.” His head cocked to the side. “Hey, did you just hear footsteps upstairs? I think the floorboards are creaking.”

Goro gave him a glare even while his thoughts and heart seemed to be in a race against each other, unlimited possibilities suddenly opening to him.

His demon had fucking killed God . But didn’t that mean-

Akira gave him a sharp glance.

“Oh, now that’s a turn of events, honey,” he grinned. “If what you wanted was to kill for you, all you had to do was say so.”

Goro blinked at him. All of a sudden, all the noises and little things Akira had manipulated about the house had stopped and his eyes were an intense yellow again. Threatening, dangerous, incredible.

“You didn’t strike me as much of a killer,” Goro admitted quietly. “Dangerous, powerful, yes. But not exactly evil. I mean you asked for a cat-”

“Which you still didn’t get, by the way.”

“We’re adopting from a shelter, it’s not going to happen from one day to the next, I told you. They have to determine we’re good cat dads first.”

“I’m the best cat dad! I will cuddle them every night!”

Goro’s gaze turned flat and Akira laughed.

“Don’t worry, I’ll cuddle you too.”

“See, that’s what I mean,” Goro pointed out quietly, refusing to acknowledge his relief (or flaring jealousy at an still imaginary cat). “You’re talking about cuddling kittens.”

“Cats are cute,” Akira shrugged. “I don’t kill innocent beings. I kill people who deserve it. And from what I just saw in your thoughts, that fucker does. So-”

“Okay, okay, one thing after another. Let me think about this first, before doing anything rash. Okay?”

Akira’s grin was crooked but he nodded.

“But I can tell that you’ve got your mind already made up, you know? You don’t have to play modest in front of me, I quite like my men ruthless and a little murdery.”

Well that. Well. That.

Goro sighed heavily.

“It’s more about the ‘how’ and ‘how painful’ and ‘how long can we drag the pain’ and ‘do I get to participate’,” he finally admitted reluctantly and Akira burst into laughter.

“You know what - for that one I’ll tell you that there’s nothing in this house.”

Goro grimaced.

“Completely ghost-free?”

“Yup. Which reminds me - ever thought about becoming an architect? You could actually keep the same target group. This house could need an entire-”

Goro kissed him and was amazed that there was, apparently, still a way to shut up the most inanely babbling being he had ever met.

“We have some hours to kill before we can go back and tell this poor old woman that her husband told her he loves her and will watch over her,” he told him. “So let’s not waste them, alright?”

And Akira winked at him.

“Yes and yes.”

Goro frowned but took the hand offered to him, letting himself be dragged through the living room and towards the sofa.

“Yes to what exactly?”

“Yes to the sex,” Akira grinned. “And yes to the other question I found floating inside your mind since yesterday.”

Goro swallowed hard and decided to pretend he didn’t know what stray thought he could’ve possibly picked up on.

“Oh honey, it’s okay,” Akira laughed. “You’d be shocked how many people have a possession kink. You’re just the only person who can actually fulfill it properly and come away from it unharmed.”

Goro opened his mouth. Closed it again. And found himself wondering how the hell he was going to survive this demon that had the possibility to make all his wettest dreams come true - alas, in the most exasperating, intrusive fashion he had ever seen.

“Will you just get the hell on with it,” he told him darkly and Akira laughed. For a moment, nothing happened and then the entire room seemed to spin and something pressed inside Goro’s mind , silky and silver-tongued and expertly convincing him to let go and let him in and let him take over without a moment of effort, making Goro feel his own control slip from him, through cold fingers, like sand.

He felt his own consciousness being pushed back, into a corner he couldn’t quite reach, his body standing stiffly while his mind was fighting a battle already lost.

And then Akira spoke through his own mouth.

“Honey, we really have to do something about that filthy mouth of yours,” he said with Goro’s own, smooth voice. “Hell is too lovely a place to use it as a swear word like this.”

Goro felt panicked, his heart beating to his chest but that was the only thing he could still influence, it seemed. He felt everything. The ground beneath his feet, the heated air of the house, the way his cock got hard in frankly ridiculous speed.

But he couldn’t move. Couldn’t talk himself. Could just sit in a corner of his brain and be puppeteered. Felt his own legs move against his will, until they hit the sofa backwards and he fell onto the soft polster. Could feel his own hand move towards his cock, sneak beneath the fabric of his slacks. It felt like a familiar stranger against his hot skin. It was his but it wasn’t.

“Don’t worry, honey,” Akira said through his own voice. “That’s not more control than I have over you already anyway - I’m just showing off a bit more.”

Goro wondered if he could disappear like this. Be completely taken over, until there was no space for him in his own body.

“You could,” Akira told him. “I could make that happen with a snap of my fingers. Though you are more strong-willed than most, I have to say. Still. Sorry honey. Just a snap would be enough. That’d be a very short-lived fun, though and I intend to have so much of it with you.”

The hand currently resting on top of his cock - his own hand - was curling around it now, squeezing himself tightly. Goro wanted to moan but no sound left his lips. He wanted to scream but his throat wouldn’t work. He wanted to set a rhythm but his hand wasn’t his own anymore. And Akira, like the bastard he was, set an agonizingly slow pace, thorough and tight, leaving him breathless - was he even the one breathing? - and overwhelmed.

“It’s alright, just let yourself fall. You’re safe. You’re safe with me.”

Goro wasn’t sure how to. He’d given Akira a lot of trust and a lot of control over him willingly. Had found out about kinks he didn’t know he had - apparently he liked someone incredibly powerful having total control over him, who’d have thought? Certainly not him. He’d always thought of himself as a control freak through and through. But this final step… was hard to take.

And then Akira sped up the pace of his hand a little, making Goro rub his shaft eagerly, fingers spreading pre-cum over the sensitive tip of his cock, making him dizzy with want and he was everywhere. In his brain, in his body, in his very soul, spreading something soothing that Goro knew, with any other demon, would be his end. Would be how he disappeared forever, if he gave into it, believed in it, let himself sink into it.

But this was Akira and… well. Fuck everything. Even if he got lost in Akira, even if he stole his body and life and pushed him into oblivion… that simply sounded like the hottest fucking thing in existence.

Goro allowed himself to be wrapped up in it. The soothing mist clouding the last of his own thoughts. Allowed that hand on his cock to be the only sensation he felt, stroking him with scary knowledge of every single one of his weak spots. His second hand massaging his balls on his own accord. His legs spreading and stretching and his toes curling without any of his input. He did nothing but feel it, gave up control over it entirely. His body wasn’t his anymore, it was Akira’s to do with as he pleased. He’d given it to him, willingly, like he’d given up everything else.

God. Fuck. Fuck.

Goro spilled all over his hand, coming so hard he couldn’t see anymore. Suddenly, there were yellow eyes above him and lips hungrily devouring his and he could move again, his brain slowly filling back out with him and him only, but he could barely keep his thoughts together, could barely bring up more than lazy instincts and his instincts told him to kiss back Akira until the dizziness faded.

(Which proved difficult when, fuck, what a kiss.)

“You did so well, Goro, so so well,” Akira told him between kisses, gasping even though he didn’t need breath and he booked that as a definite win.



It wasn’t until the next early morning, when they finally had left the “haunted” location, told the old lady what she wanted to hear instead of what was true, and had curled up in Goro’s bed to catch some late sleep (well, Goro had, Akira just loved to keep him company), when he finally could place the thought that had slowly taken form in his brain ever since Akira had entered it.

“I know how I want you to kill my father now,” he told Akira.

And he knew he didn’t have to say more because Akira knew. He always knew. And Goro, as he finally fell into blissful sleep haunted by yellow eyes, smiled.

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