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osarina · 6 months

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ᡣ𐭩 HE'S THE SERPENTINE, HE'S MY COLLAR!

FEATURING: dazai osamu

SUMMARY: you're finally back in yokohama after spending three years abroad dealing with mori's foreign business. the last person you want is to see dazai osamu, the wounds of his abrupt betrayal still too fresh for comfort. unfortunately, he decides to take matters into his own hands by showing up at your office in the middle of the night.

(wordcount: 7.1k; ņsfw; fem!reader; port mafia executive!reader, f!receiving oral, gunplay, knife play (ish), spitting, pussy drunk!dazai (as always), light choking, overstim, office sex, semi-public/public sex, unprotected sex, switch!dazai, switch!reader, undertones of angst (happy ending). lmk if anything is missing!)

AUTHOR'S NOTES: guys. GUYS. i had so much fun writing this, this is finally usurping in paper rings and picture frames as my fav fic that i've written. HAHAHH. i hope you guys like it too!!

You hear the door to your office swing open, and you press your lips together tightly, irritation swimming through your head as your grip tightens on the pen you’re using to fill out your paperwork. It’s already late—you’re tired and your head hurts, but you can’t leave the building until Akutagawa comes to hand you the report for his failed mission so you can pass it up to the boss. And you know that whichever subordinate this is, it’s definitely not Akutagawa because the boy would rather claw his own throat out than walk into your office without knocking.

Which means it’s some upstart new recruit who has no manners and is likely going to make your night worse. You think being away for so long did some real damage to your reputation—three years ago, the lower ranked mafiosos avoided your floor like the plague, they didn’t barge in like they owned the place, but then again, you also had a certain dark-haired executive (ex-executive now, you remind yourself bitterly) lurking around your floor constantly trying to get your attention, and if people weren’t nervous enough about you, they were definitely terrified of him.

“Five seconds to explain why you came into my office without knocking or I’m putting a bullet through your fucking skull,” you say, voice acerbic, not even bothering to look up, the fingers of your free hand closing around the gun you have holstered at your side.

“There’s a few too many cameras in the hall for my liking to stand out there and wait for you to open the door.”

The fact that he manages to dodge the bullet shot in his direction is testament to his skill, but you’ve known Dazai Osamu long enough to know that when he dodges to the side, nine times out of ten, he dodges left, so you drop your pen as soon as you pull the trigger and swipe the knife laying haphazardly on your desk, launching it in his direction. You watch as his eyes widen just a bit when it impales the wall right next to his ear, just barely nicking his skin—both a warning and a threat.

“My, my, bella, you’ve gotten faster the past few years,” Dazai grins, unperturbed, smile as reckless and lazy as the day he left four years ago as he plucks the knife from the wall. “I’ve missed you too.”

“What the hell are you doing here, Dazai?” you ask, voice cold and sharp as your finger rests against the trigger of your gun. “How did you get up here?”

“Security’s gotten lax since I’ve been gone, I guess,” Dazai shrugs, but his eyes dance with mirth as he makes his way over to your desk. “You should probably do something about that.”

“Dazai,” you say, keeping your voice low and trying to reign in your temper. There are no cameras in your office, but the hall leading here is littered with them, hidden ones that were recently installed that he wouldn’t know about, if any one of them caught his face and it’s reported to Mori… “You think I won’t drag your ass to Mori myself? What the fuck are you doing?”

You’d have to, or it would be your head on the line for betraying the Port Mafia—you know better than anyone the treatment that traitors get, considering you were the one that dealt with them up until you were sent abroad three years ago to handle Mori’s foreign politics.

“I don’t know, will you?” Dazai counters, head tilted to the side as he takes a seat on top of your desk next to you, a smile on his face that makes you think he knows something that you don’t.

“Maybe,” you answer, finger twitching on the trigger as you keep your gun pointed in his direction.

Dazai is completely unbothered, leaning down until his nose is nearly brushing yours, lips tugged up in an unbearable smirk.

“Then do it,” he challenges, and you glare at him, jaw tight and eyes hard. He reaches out, fingertips brushing your skin, and you feel like you’re on fire beneath his touch. You hate that your body still betrays you to him. “Don’t look at me like that, bella. I won’t even resist, I promise, as long as you promise to be the one to put a bullet through my skull, so your face can be the last thing I see. Ah, that would be a lovely death, wouldn’t it?”

“You’re a fucking freak, Dazai,” you spit out, but make no move to get up or grab your phone. “What is wrong with you?”

Dazai doesn’t respond, only winking at you. Instead, his gaze shifts to the side and his hand drops from your face to his lap again. You hate even more that you miss his touch immediately.

“You still have my couch,” Dazai notes to himself quietly, an odd tone to his voice as he stares at the dark couch in the far corner of your office, where he’d bundle himself up under blankets to avoid Chuuya, because Chuuya used to avoid your office like the plague when the three of you were younger.

“It’s my couch,” you say tightly, even though you know no one has touched it since Dazai left, and the ugly orange blanket he liked so much is still draped over the back of it, and it probably still smells like him. Your throat feels swollen, and you steel away your emotions and continue with, “I’ve hardly been back here since you left, anyway. What do you want, Dazai?”

“I heard you were finally back in Yokohama,” he says. “I wanted to see you.”

“Fuck off,” you say roughly. “So you decide to break into the main base of the Port Mafia and come all the way up to my office? You know where my apartment is, you could’ve shown up there. What do you really want?”

“It’s the truth,” Dazai says easily, and his dark eyes meet yours—both of them, you note, and wonder when he decided to shed the bandages that covered his right eye. “I was at your apartment for a bit, I got impatient and came here instead.”

He’s telling the truth.

Oh, you realize—the clogged feeling in your throat is coming back, you force it away again and lean back in your chair, looking away from him to turn your gaze to the window. It’s well past midnight already, the moon is high in the sky and the stars are glittering above. In the distance, you can see the Ferris Wheel of Cosmo World glowing a bright purple color and a string of flashing red and blue lights as the police chase after someone.

“Why?” you ask finally, breaking the heavy silence that had settled over the two of you.

“I told you,” Dazai says quietly, and your eyes turn back to him. He looks… happier, you can’t help but note. A sick part of you feels jealous—you’re not sure if you’re jealous because he’s free and you’re still stuck in this place, or if you’re jealous because he’s happier and he’s happier in a life without you. You think it might be the latter. “I miss you.”

“Don’t give me bullshit, Dazai,” you snap, still trying to push away all of the feelings you’ve repressed for so long. “Get out of here before you find yourself killed. I’m not going to turn you in, but I’m not saving you if you get caught.”

“It’s not bullshit,” Dazai tells you, voice sharp in a way that it only ever is when he’s starting to get annoyed. “I-”

A knock at your door cuts Dazai off mid-sentence. Both of you freeze, Dazai looks at you as if waiting to see what you’re going to do, and you can so easily finish this now, let whoever is at your door in and drag Dazai back down to the torture room where he belongs, but instead you find yourself reaching for him. Your hand intertwines with his hair roughly, and you revel a bit in the hiss that escapes his lips as you yank him off the desk and roll your chair backward, kicking the back of his knee so that he crumples to the ground and you can push him beneath your desk.

You lower your gun to your lap so you can keep it pointed at him and then glance down at him—he looks caught off-guard and disgruntled at being manhandled, but you think it's a bit funny how cramped he looks under there.

“Not a single word,” you warn before fixing your chair and raising your voice. “Come in.”

Akutagawa wastes no time stepping into your office, nodding his head in respect as he makes his way over to the chair on the opposite side of your desk, a bundle of papers in hand. He doesn’t hand you the pile right away and he looks uncharacteristically nervous, and you raise your eyebrows, wondering what the issue is.

“I am… unsure how to fill out some of the report,” Akutagawa says, unable to meet your eyes as he stares at the windows behind you. “The operation was… not a failure but not a success. The whole mission was in disarray, I do not know who was doing what at certain points.”

You stare at Akutagawa. “What do you want me to say to that?” you ask him, leaning back in your chair. “It’s your job to know that as the field officer for the mission. If you can’t handle that, Hirotsu will take back the position on the next major operation.”

Akutagawa bristles. “I can handle it,” he says, voice clipped. “This mission was just more chaotic than-”

“Than usual?” you ask idly, watching as he stiffens as your interruption. “This was child’s play, it’s unlike you to make excuses, Akutagawa.’

“I’m not making excuses,” he says immediately, “but…”

Akutagawa continues talking, but your attention is ripped away when you feel Dazai shift beneath the desk. You press your lips together tightly, stiffening as his hands rise to your thighs, spreading them a bit so he can settle between them. You glance down, he’s already peeking up at you, dark eyes glittering in a way that has you on edge.

Don’t you dare, you warn silently, but Dazai only takes it as further encouragement, pressing his lips to your clothed inner thigh, you can feel the warmth and wetness through your slacks. It takes all of your self-control to not inhale sharply when he starts trailing open-mouthed kisses up your thigh until his mouth is hovering right above your cunt.

You press the muzzle of your gun against his temple.

He smiles.

Your jaw clenches as he licks a long stripe between your legs through your slacks, making sure to press his tongue down hard over where your clit is hidden through your clothes. Akutagawa is still talking, oblivious to what’s happening beneath your desk as he airs his complaints about the mission. You could stop Dazai, place your foot on his shoulder and push him off of you, but you don’t, notably—you don’t want to acknowledge that though. You only vaguely hear Akutagawa’s issues, something about interference from a third party—the SDUP? What the hell were they doing there?— and Kajii blowing up an escape route.

“Give me the report,” you say, cutting him off mid-sentence, and holding out your hand. You’re grateful that your voice comes out steadier than you feel with Dazai trying to tongue fuck your through your pants.

As you lean forward to rip the papers from Akutagawa, you tense, feeling something sharp press against your inner thigh. Sitting back in your seat and glancing down, your eyes cut down to Dazai, who still has the knife you’d thrown at him and is using it to cut open your very expensive slacks.

You have half a mind to drive your foot into his face, but you refrain. If only barely.

It’s a miracle that you can keep your breath steady, because as Dazai cuts your pants, he kisses every inch of open skin that’s revealed to him. His lips are warm, wet, familiar—so familiar that your legs are instinctively spreading for him, giving him more room to work.

Your eyes scan the report but the words are just jumbled letters and not making any sense. Every time you try to understand, you feel Dazai’s teeth graze your thigh as he marks up your skin. You tense when you feel him bring the knife much closer to your cunt, to finish cutting off the material—you press the muzzle of your gun harder into the side of his head, warning him to be careful. You glance down only to see a hazy smile on his lips as he winks up at you, as if he’s drunk just off of the idea of what’s about to happen.

He works efficiently as always, freeing your lower body of your slacks and panties as quickly as possible, and he wastes no time burying his face between your legs. Your lashes flutter and the grip you have on your pen tightens dangerously, you think it might snap. Dazai’s tongue slides between your folds, lapping up the slick that had begun to pool—you know that if Akutagawa wasn’t sitting a few feet away, Dazai would be making a snide comment about how he knew you wanted him.

Dazai’s tongue flicks over your clit—you can feel him staring up at you, watching for every little reaction, the way your lip tightens as you bite back moans, the way your eyelids unconsciously start to slide shut, the way your breath is just a bit heavier than it usually is.

This is so dangerous, you think to yourself desperately. If Akutagawa of all people figures out that Dazai is here-

You nearly choke when Dazai shifts a bit underneath the desk to kneel at a better angle, grateful that Akutagawa seems to be too busy wallowing in his own mistakes to notice your struggle. Your gaze snaps down again, his eyes have fluttered shut as he buries his face deep into your cunt, nose pressed to your clit as he pushes his tongue into your hole and you can feel the way he lets out a silent, but shaky breath, barely holding back a moan.

You notice his free hand slide from where it was propped on your thigh down to his beige pants, fingers fumbling with the button as he desperately tries to slip his hand beneath his waistband to touch himself. You kick his wrist hard, using your foot to pin it against the side of your desk, watching him wince and withdraw his hand, looking up at you with those big brown eyes you can never say no to.

God, he’s pathetic, his lashes are wet and his cheeks are flushed, eyes glossed over with pleasure as he looks up at you and you know you’ll let go of his wrist if he looks at you like that any longer, so you turn your gaze back up to Akutagawa, who’s staring at his lap and waiting for you to finish the report.

“Get out,” you tell him, voice sharper than you intended. Akutagawa’s eyes snap up to you, brows furrowed in confusion. “Go, I’ll handle this.”

“But-”

“Your job is to take orders, not question them,” you bite out, watching frustration flash across the boy’s face as he rises to his feet. You’re not usually this harsh with the kid, but you’re not sure how much longer you’re going to last and Akutagawa cannot be in here when you cum. You can feel the heat pooling in your stomach and that familiar hazy feeling clouding your mind. “Out, Akutagawa.”

Akutagawa inhales sharply but nods, turning stiffly on his heel to leave your office. As soon as the door to your office clicks shut, Dazai is pushing the chair backwards until the back of it hits the windows behind you, shifting into a more comfortable position as he resumes fucking you with his tongue in earnest.

He moans into you, wanton and shameless, any restraint he had because of Akutagawa’s presence is long gone. While he was careful to not make noise before, now the sloppy sound of his tongue dragging in and out of your cunt drowns out any other noise in your office, he sucks and slurps, he’s so disgusting, like he can’t get enough of the taste of you, a man who’s been starved for years.

The knife clatters to the ground as he reaches up with both hands to grab your thighs, sliding them over his shoulders so he can push his tongue even deeper inside of you. Only sheer pride drives you to push away the creeping fog as Dazai’s tongue slides back up between your folds to draw figure eights around your clit.

“I should pull the fucking trigger, pulling this shit when he was in here,” you spit out, head falling back as a breathy noise escapes your parted lips when Dazai sucks gently at your clit. He moans again, as if the idea itself turns him on—it probably does, he’s always talked about wanting to die between your thighs. “You’re a fucking freak, Dazai.”

He lets out a puff of air, you can’t tell if it's a laugh or another moan, maybe a mixture of both, but he’s too focused on drowning in your cunt to respond. Four years without him and you’ve forgotten just how good Dazai is with his tongue, working your body as easily as he did when the two of you were eighteen and seeking each other out before meetings and between missions for a quick fuck. You hate it—you hate that he’s treating you as if nothing has changed and you hate even more that your body is this responsive to him.

Betrayal, you think, your own body betrays you for him. Again.

“Fuck,” you gasp the word out when Dazai rolls your clit between his teeth gently, sending a jolt through your body that throws you off just enough for that fog you’ve been fighting off to finally win. You choke over a moan, head pressed back against your desk chair, forearm coming up to press against your forehead as your eyes slide shut. Your free hand finally finds its place in his hair, tightening around his dark locks, he lets out a whimper against you, tongue flicking over your clit. “Like that. Just like that.”

You can hardly keep your head on straight as he traces letters around the sensitive bud, you try to figure out what he’s spelling but you’re too far gone. Your head is light and your chest is heaving. You’re barely able to bite back moans as your thighs tighten around his head, hips rocking against his face. You don’t even know if he can breathe, you don’t think you care, so close to the edge that your entire body is tingling and trembling; you don’t think he cares either from the way he’s moaning into you.

It takes one last suck, one last swirl around your clit, and you’re crying out his name, spots dotting your vision as your grip on his hair tightens, pushing his face impossibly deeper into you as you grind your hips against his face. God, it feels never-ending, a noise too close to a sob nearly escapes your lips as Dazai ardently laps up all of your cum, not letting a single drop go to waste. You can’t remember the last time you’ve cum this hard—with him, probably, you realize bitterly. None of the one-night stands you’ve had over the past few years have ever compared to him.

You’re still reeling even as you force yourself to straighten in your seat, not willing to let him know just how badly you’re thrown off by how intense your orgasm was. Your head is still spinning, vision still blurring, but you lift your leg and press your foot to Dazai’s shoulder, kicking him back and forcing him out from his position between your thighs.

He grunts, looking thoroughly disgruntled as he falls back on his ass, pouting up at you as he tries to catch his breath. He looks debauched, lips swollen and wet, your cum smeared on the lower half of his face. His cock is straining against his beige pants and his eyes are still glazed over; he’s looking up at you with an expression that’s nothing short of reverent.

God, he’s gorgeous.

You hate him.

You’ve missed him.

You shift in your seat and Dazai is lifting himself to his knees, immediately leaning closer, a hazy smile on his lips as he angles his face up and pointedly parts his lips, sticking his tongue out. You know what he wants and the heat that had been slowly dissipating returns with a vengeance, breath catching as you look down at him.

“You’re gross,” you tell him, watching the corner of his lips quirk up even as he keeps his tongue out and waiting.

You don’t deny him. You never can.

You shift forward, rising to your feet and reaching out to grab his chin, angling your face down. Your grip is too tight, it’ll leave bruises behind and you think that’s the least he deserves so you only tighten it a bit more as you lean over him. You don’t give him what he wants, not right away, letting the saliva gather on your tongue as you observe him, the way his pupils are blown wide and his chest is hardly rising and falling, as if he can’t even let himself breathe in anticipation.

Disgusting, you think again, but it’s fond this time, much to your displeasure.

You decide to put him out of his misery, letting the spit dribble from your mouth down to his. His eyes roll back as soon as it hits his tongue, and your hand slides from his chin to curl around his neck—not tight, just firm enough to feel the way his throat bobs as he swallows.

He lets out a shaky breath, eyes fluttering back open as he looks up at you, entirely blissed out. Your hand slides down more, curling around the ugly bolo tie he’s wearing in place of the black one you’re used to. You tug it hard, beckoning him to his feet; he acquiesces, albeit on shaky legs.

Immediately, his hands find your hips as he pushes you against your desk, spinning you around to face it before his hand presses between your shoulder blades, pushing you down to bend you over it. Your eyes widen at the sudden change in demeanor, something you’ll never be able to get used to no matter how many times you fuck him; it always caught you off guard back then, it still catches you off guard now. He pulls off the remnants of your destroyed slacks and immediately is grinding his bulge against your ass, a low moan spilling from his lips.

“How many people have you been with?” he suddenly asks, and you can hear him fumbling to unbutton his own pants. There’s an edge to his voice that you don’t like—something caught between jealousy and possessiveness, and you nearly want to scoff at it.

“What the fuck, Dazai?” you spit out, appalled and not expecting the question. “None of your damn business.”

You turn your head to the side to rest your cheek on the desk, looking back at him from the corner of your eye. His eyes are still a bit hazy but there’s a tight expression on his face, reminiscent of the one that would be directed toward you whenever he stumbled in on you entertaining anyone other than him years ago.

“Humor me,” he says, voice cold and eerily familiar. If you weren’t looking at him and if you couldn’t see the tan coat and bolo tie, you’d think you were talking to Dazai Osamu, Port Mafia Executive, and not Dazai Osamu, Detective.

“A lot,” you finally tell him, feeling the way he stiffens behind you. “I don’t keep count. You?”

You think he has some nerve asking when he’s probably slept around t-

“None.”

“Bullshit,” you snarl immediately. “How many? Don’t fucking lie to me, Dazai.”

“None,” he says again, gaze lifting from your back to meet yours, his eyes are dark—too dark, too still. Maybe he hasn’t changed as much as you assumed, because the way your chest swells with a confusing mixture of fear and arousal is far too familiar. “You’re the only one allowed to touch me.”

His gaze drags back down, with his pants unbuttoned, he lifts his free hand to caress the swell of your ass, a contemplative expression on his face as he stares down at you, his other hand still pinning you down to your desk. If your heart wasn’t thudding in your ears from sheer anticipation, you’d be irate over the fact that you were letting Dazai Osamu fuck you over your own desk in your own office, but you can’t bring yourself to care now.

“They never made you feel like this.” It’s a statement, not a question, and you want to scoff at his arrogance, but you can’t because he’s right. “They don’t know your body like I do.”

This time you do scoff. “You don’t know shit, Dazai. It’s been four years.”

Dazai’s eyes flicker back up to you, the way his lips curve up into a smile is dangerous.

“No?” he questions.

A challenge. You never back down from one, not from him.

“No.”

His smile sharpens.

“I know that after you cum for the first time,” he murmurs, rolling his hips forward. You bite back a moan when you feel the tip of his cock slip between your folds. “The second time comes right after.”

True to his words, your jaw falls slack and your entire body seizes as Dazai thrusts into you, splitting you right open on his cock. The moan he lets out is pornographic, and you wish you could see the way his head falls back and his eyes roll into his skull, but your own vision is white and you’re choking over a sob as you feel the familiar stretch of his cock against your walls.

“There you are.” Dazai has the nerve to let out a breathless laugh and another groan as he stills with his hips flush to your ass, feeling your walls spasm around him as you cum just from the feeling of him pushing inside of you. The hand he has placed between your shoulder blades slides up to curl around your throat. With a firm grip, he pulls you up so only your thighs are pressed against the edge of your desk, back flush to his chest as you gasp, reeling from the suddenness of your second orgasm. You can feel him smile as he nudges his nose against the side of your head, lips pressed to your ear. “The third time takes a bit after the second, but I’ll fuck you through it. Maybe a fourth too.”

“Dazai,” you gasp, eyes blown wide as your head falls back against his shoulder. You don’t know what you’re trying to say, maybe hold on, or wait, because you know you’ll embarrass yourself if he doesn’t give you a second to recover.

He hums in response, and the slow rolls of his hips, the drag of his cock against your walls, it has your head in the clouds, body trembling. Your lips part to speak but no words leave them, and right when you think you can finally force the words out, Dazai draws his hips back and snaps them back against yours hard. Your lips part in a silent moan, only the hand around your throat and the one pressed to your lower belly holds you up as Dazai fucks you at a brutal pace.

His face drops to the crook of your neck, he moans into your skin, teeth scraping hard as he kisses recklessly up and down every available inch. He’s going to leave marks, you realize, and that’s dangerous now that you’re back in Yokohama because you don’t need any of the other executives to get suspicious, but even if you wanted to tell him not to, you don’t think you’d be able to. Whatever little coherency you had left in your thought process does not translate when you try to speak, the only things leaving your lips being shaky moans and gasps of Dazai’s name.

“Made for me,” Dazai groans. His grip on your throat tightens just enough to make the air you breathe in shallow, your head feels light and you’re not sure if it’s because of his grip or if it’s the feeling of his cock bullying so deep into you that you can feel his tip pressing up against your cervix. “Waited so many years for this, feels even better than I remember, pussy’s made for me, isn’t it?”

Dazai babbles into your ear as he fucks you, tongue just as filthy and unbridled as the day he left. Shameless. He’s so shameless. Doesn’t even care that anyone could walk into your office and catch the two of you; doesn’t care that if anyone does, he’ll end up executed. He’s fucking you in a building full of people that want him dead and all he cares about is how your cunt feels wrapped around his cock.

Your breath hitches as Dazai shifts you to bend over just a little more, still keeping your back flush to his chest but fucking you at a new angle—one that nearly sends you spiraling over the edge for a third time.

“Gonna give me your third now?” he pants. His hand on your lower stomach slips down, lithe fingers dipping between your folds to search for your clit—your back arches against him when he finds it, a sob spilling from your lips, vision swimming with tears. Dazai laughs again, this one is strained, catching over a moan as your walls convulse around him. “Oh, fuck. Fuck, you’re so tight.”

Unconsciously, his grip on your throat tightens, cutting off even more air. You can hardly breathe, you can hardly think—each thrust of his hips has your head spinning, ripping the little air you can inhale right out of your lungs. The tip of his cock rubs against that spongy spot inside of you every time he snaps his hips against yours, the quick circles he rubs on your clit are electrifying.

Your cheeks are wet, breath ragged, vision spotty. One last thrust, one last circle, and you’re wrecked, sobbing out his name as your legs give out, only held up by the way he has your thighs pinned to your desk and his hand on your neck. You cum all over his cock so hard that you think you black out for a second, your mind fuzzy and pins and needles pricking all over your body.

Dazai doesn’t stop. He fucks you through your third orgasm, relishing in the way your body twitches and trembles, too sensitive for his touch.

“Your fourth will come quick,” he gasps. His pace is erratic now, chasing his own release. Your ears are ringing, heartbeat thudding in your ears, the wet, sloppy sound of his cock driving in and out of you resounding through your office. “I don’t think I’ll last for five. Shit, shit, I’m close.”

You have to force yourself to move. You want to see him when he finishes. Your hand wraps around his wrist, nails digging into his skin to try to get his attention. It takes all of your will power to push the two words from your lips: “Flip me.”

He does. Without any sort of hesitation, his hand drops from your throat to your waist. His cock slips out of you for a split second and your cunt aches at the loss, but Dazai is immediately pushing himself back into you as he hoists you up by the thighs, sitting you down on your desk and wrapping your legs around his waist.

Even through your blurry vision, Dazai is a fucking sight. His dark hair is matted to his forehead, pink lips swollen and wet, cheeks flushed. His eyes glazed over and half rolled back as he chases his high. God, he’s stunning. You’ve missed him. You’ve missed him.

You’re not thinking as you lift your hand to cup his cheek, sliding around to the back of his head to pull his face down to yours, moving on pure instinct. You drag him down to press your lips against his and Dazai is gone. The moment your lips touch his, he’s moaning into your mouth, hips stuttering against you as he spills his cum deep inside of you, and he’s right, because the moment you feel his cum filling you up, warm and thick, so much of it that you can feel it dribbling around his cock, the stickiness smearing against your thighs and ruining your desk, you’re pushed over the edge for the fourth time.

This one is weaker than the rest, not a single noise escapes you but your jaw goes slack and Dazai whimpers into your mouth when he feels your walls tightening around him again. But he takes advantage of your pliancy, pushing you back gently so that your back is flush to your desk. He follows you down, keeping his chest pressed to yours as he maps out your mouth with his tongue. He rolls his hips against yours, slow and deep, fucking his cum deeper into you as the two of you slowly come down from your highs. He slants his lips against yours to deepen the kiss, hand coming up to cup your cheek, his other sliding up and down one of your thighs.

It’s too intimate. You tell yourself that you only let it happen because you’re reeling from overstimulation but you know it's a lie.

You don’t even know how long you stay in that position with him. It could only be a few seconds, a few minutes, it could’ve been an hour for all you know, laying on your desk with him pressed on top of you, kissing you so passionately that it makes your head spin as much as the orgasms did.

Finally, you press your hand against his shoulder, signaling for him to get off of you. He does, albeit with a reluctant sigh. You stare up at the ceiling as Dazai shakily rebuttons his pants, making his way over to the closet where you still keep your spare clothes from when you have to stay over at the office to work.

What did you do?

You’re hyper aware of how swollen your lips are, of the marks littering your neck, of the cum dribbling out of your cunt, staining your desk.

If anyone finds out about this-

You don’t get to finish the thought, because Dazai comes back over to you. Neither of you speak as he takes a tissue to clean up his cum from your thighs and as it dribbles out of you, nor do you speak when he shifts you into a sitting position, helping you pull on a new pair of panties and a new pair of slacks.

He stands in front of you, dozens of indecipherable emotions rocketing across his face as his dark eyes search your expression for something. You don’t know what, and you don’t even want to look at him but you can’t draw your gaze away from him.

After what feels like forever, he finally speaks.

“I missed you,” he says, voice hoarse as he lifts a hand to cup your cheek.

You turn away from his touch, ignoring the hurt that flashes through his eyes.

“Why don’t you believe me? You think four years has changed how I feel about you? I thought you knew me better than that.”

“It’s been four years,” you say, and you hate that your voice wavers a bit. You blame it on still being hazy after your orgasm but you know it’s a weak excuse. You hate that he still has this effect on you after all these years. You hate that you always give into him, and you hate that you know you’ll never get enough of him. You want to hate him, but you can’t. “Knowing how to fuck me isn’t the same as knowing me as a person. I barely know you anymore. You barely know me. And it’s not like you were open with how you felt four years ago. So, forgive me if it’s a bit hard to believe, Dazai.”

“You wear the same perfume. You still shoot with your non-dominant hand for some god forsaken reason. Your lips still twitch whenever you get annoyed even though you do your best to stop it. You-”

“Stop.”

“You still talk to me like you hate me even though your eyes are all soft and you’re leaning in toward me.” Dazai doesn’t stop, and to your horror, he’s right—you had begun to lean in to him instinctively as he spoke. You try to shift away from him, but he follows, fingers grazing your cheek, chest brushing yours. You don’t pull away this time. “I still wear the same cologne you bought me for Christmas because it reminds me of you—I spent two months trying to figure out where you bought it when it first ran out. I don’t carry a gun around as often, but when I do, I still try to do that stupid flipping trick you tried to teach me when we were seventeen—I still can’t do it, almost shot myself in the knee last time I tried.”

The laugh he lets out at the last sentence is hollow. He hesitates, as if he wants to continue but isn’t sure if he should. You can feel his blunt nails scraping gently against your skin, his palm warm against your cheek. You want to pull away but you’ve missed him, no matter how much you try to convince yourself otherwise, and you find yourself sinking into his touch. You’ve always questioned why Mori sent you away for so long, angry because you figured he thought you were weak when it comes to Dazai and he didn’t want to risk anything.

Only a few days back in Yokohama, and you’re already proving him right.

“I’m not the same person,” you tell him, something desperate edges at your tone. Desperate to convince him, or yourself, you’re not sure.

“I still love you,” he rasps, voice quiet as if he’s scared to admit it even to himself, and your heart is suddenly lodged in your throat as you stare up at him with wide eyes, the words he refused to tell you back when you were teens ringing through your head over and over again. “I’ve always loved you. Thought about you every day. I missed you so much.”

“I should hate you,” you say, swallowing thickly, unshed tears blurring your vision. “You didn’t even say goodbye. When Mori said you defected in the middle of a mission, I laughed in his face. Not because I didn’t think you’d never betray the Port Mafia, but because I didn’t think you’d ever leave me without saying anything.”

“If I said goodbye to you, I never would have left,” Dazai tells you quietly, the admission echoing in your years. “And I had to leave. I had to.”

“I should hate you,” you repeat, voice a bit weaker now, and you feel pathetic for falling apart like this in front of him. But it’s Dazai, he’s always had this effect over you. You suppose some things haven’t changed, because that certainly hasn’t.

“I know,” he murmurs.

You inhale deeply, shaking your head as you push yourself off your desk and straighten out your clothes, trying to get your head back on straight. You should’ve known better than to think you’d be able to come back to Yokohama and pretend that Dazai Osamu didn’t exist, for better or for worse, the two of you would always find your way back to each other. Mori was right to send you away, although you suppose the man is rarely wrong anyway.

Dazai doesn’t say anything, watching you with an unreadable expression as you search through the ruined piles of paper on your desk for the report that Akutagawa had handed you. Your eye twitches when you realize that it’s stained, realizing that you’re going to have to rewrite the whole thing because you can’t submit a cum-stained report to Mori.

Dazai snorts behind you, as if realizing your predicament. The look you give him is lethal, he silences himself quickly.

“Don’t get yourself killed on the way out,” you tell him, grabbing your black jacket off your chair and swinging it over your shoulders as you look back at him. “If you make it out of here alive, I’ll see you at my apartment later. Then we can talk.”

His face twists. “What? Wait, don’t leave me here,” he panics, nearly tripping over his feet and your desk chair to follow after you. “Help me sneak out.”

“You got in here yourself,” you say dismissively. “Get out yourself.”

The noise he lets out is pathetic. “You do hate me,” he accuses.

“No, I could never,” you admit quietly. His expression softens a bit, but you give him a sharp smile. “But I’m definitely not going to make things easy for you. Akutagawa is still out here prowling around. So is Chuuya, actually. Said he’d be at the office all night today. Good luck, you’re gonna need it.”

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