#aki x denji | Explore Tumblr posts and blogs

witchywcmans · 6 months ago

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NEEDY. | AKI HAYAKAWA

synopsis ━━ you were in need of a roommate, and aki hayakawa needed a place that wouldn't ask any questions. you went to work during the day, while aki worked late nights. you basically had the apartment to yourself. it was honestly a match made in heaven. but then, you just had to come home one day and catch your roommate in a precarious situation. (aki x f!reader.)

content warnings ━━ voyeurism (just a wee bit), sex-deprived aki 🫶, but also possessive + jealous aki, masturbation, dirty thoughts + wet dreams, fingering, praise, multiple orgasms, classic missionary, unprotected sex, creampie, mutual pining/confession, kinda au (we're not mentioning the gun devil arc), aki has lived to see 26 + reader being a similar age, some religious imagery. nsfw (minors + ageless blogs dni).

word count ━━ 5.1k

song inspiration ━━ dealer, lana del rey / friends, chase atlantic / double fantasy, the weeknd

author's note ━━ hi.....hello.........so this idea has been in my head for a little bit, and I realize roommate aus like this are simply not that original, but god dammit I just needed to get this out of my head. anyway, I lurrrrrv sex deprived aki. shout out to my friend hollis for screaming about this with me hehe 💓

The most words you had ever said to your roommate were on the day you interviewed him before he moved in. You immediately noticed that he was strange, but also shy and seemingly harmless. When you had asked why he needed to move in so quickly, he had said something along the lines of a “toxic environment” with his previous roommates: “Denji and Power are just too noisy and reckless. They’re four years younger than me. I need a place less chaotic.” You had been interested in getting to know more – you were curious, after all, about your potential roomie – but once he mentioned that you’d probably never see him because he worked nights, you were sold.

Aki Hayakawa was your new roommate.

He had never been more excited to finally get away from Denji and Power and the tumultuous mess they had turned his apartment into. He was older now; he needed something for himself, even if it was with a roommate. Being a Public Safety Devil Hunter, he needed a place that didn’t think twice about him, a roommate who didn’t ask questions. That’s what he liked about you: your place was on the right side of the city, and you looked at him like he was normal. The Fox Devil said you weren’t going to be good for him, but Aki tended to ignore them anyway.

You had helped him move into your second bedroom just a week later and he hardly said a word, except to ask you who had formerly occupied this space. You were hesitant to talk about it at first, but you cracked soon enough: “My old best friend lived in here. We had rented this place together, but we … aren’t exactly speaking anymore,” you admitted, setting a box down at his feet. “I came home from work one evening and found my boyfriend cheating on me with her. It had been going on for months, right under my nose.” You looked away when you felt your eyes start to sting with tears, sniffling them away. “Friends come and go, I guess. But I’m thankful you, at least, worked out to rent this space.”

“Well,” he sighed, opening up the box as you turned back to him. He smirked. “I promise I won’t sleep with your boyfriend.”

You had laughed, and what a pretty sound it was. After move-in day, Aki was true to his word that you almost never saw him. You worked a normal 9 to 5, while Aki … well, you had no idea what Aki did. You assumed he was a security guard or something with the hours he worked and how he was always wearing a suit and tie. He was working all the time, even weekends. Sometimes, you would catch him coming home as you were leaving for work, or on Sunday morning as you ate breakfast in the kitchen. He would be too tired to talk, simply waving at you before retiring to his room.

It was almost like living alone … except for notes he’d sometimes leave you on the stove or the bathroom. Or the weekend mornings, when he’d get you a coffee and leave it out for you before going to his room. Or the once-in-a-blue-moon nights when you’d stumble in the early hours of the morning after drinking in the city with some friends, standing out on the deck with Aki as he smoked a cigarette. Nights like those, you could’ve sworn Fate was trying to get you two to see each other, because you would be arriving home at just the right hour and Aki would be getting off work early. And you would find him on the deck in his suit and tie, cigarette hanging from his lips, hair pulled up in his classic topknot. He would find you leaning against the railing in nothing but a short dress, the glitter on your lids making your eyes sparkle even more, and – god, you were just so pretty.

After that night, he started dreaming about you. He dreamed about how your lips would feel against his, what it would be like to have you sleep next to him and rest your head on his chest. He was consumed by thoughts of you under him, how you tasted, the way you’d tremble if he kissed that sensitive part of your neck you told him about one late night on the deck. His need for you was insatiable. In his line of work, there wasn’t much time for dating, let alone sex. He hadn’t been thinking about it that much, especially when he’d been housing Denji and Power, but now … he couldn’t stop thinking about you. Naked. Underneath him. On top. God dammit, he’d have you any way you wanted.

It made him wish he had acted on his instincts that night on the deck: pushing you against the sliding door, his lips crashing onto yours, hiking your skirt up that just barely covered your thighs and using his non-dominant hand (the one that didn’t shake) to feel how wet you were. But alas, Aki Hayakawa was a gentleman.

You two had been living together for a year. He hardly knew you, but also knew you like nobody else did. He knew how you took your coffee – black with two sugars. He knew the brand of toilet paper you liked. He knew that you liked to hang your coats in the closet on the right side. He knew you drooled in your sleep, and what TV shows made you laugh, and how much your water bill was each month.

He was acting out in ways that were unlike him. If he came home from work and saw you had a guy over, he made his presence known. When you were at the office, sometimes he would go to your room just to smell your perfume, and other times he would steal your panties. (He always gave them back, feeling too shameful. But he did keep one underneath his pillow.) Some nights, he would pretend to leave for work early and you would retire to your room for the night, and then he would hear the familiar sound of your vibrator and – fuck, he had to go to work hard. Again.

You were taking up too much space in his head. He was becoming distracted at work, thinking about what you were doing during these late hours. Maybe the Fox Devil was right: you weren’t good for him.

But he wasn’t moving out any time soon.

It was a Thursday after work and you were completely exhausted. After attending endless meetings and having to argue with coworkers all day, you left work early and were grateful to have a night alone with some leftovers from the night before. You had completely forgotten Aki telling you earlier in the week that he had this Thursday and Friday off, your mind preoccupied with work responsibilities. Sighing as soon as you walked through the door, you set your bag down and shuffled out of your shoes. You shut the door softly, at peace with the silence. You didn’t even have the energy to get out of your work clothes; you simply padded your feet to the fridge, plucking your leftovers out. It was only when you reached up to the microwave that you noticed the apartment wasn’t as silent as you assumed.

Sounds emanated from another room.

You got on your tip-toes, not wanting to make much noise if there was an intruder, and felt for the pocket knife you always kept on your person. Passing by your bedroom first, you popped your head inside. Empty. Hadn’t been touched since you left this morning. The bathroom was next, and you held your breath as the sounds got even more noticeable. You peeked into the bathroom and … clear. Linen closet: clear. Coat closet: clear. But the sounds only became more clear as you got closer to the end of the hall, Aki’s room, and –

You stopped in front of Aki’s bedroom, the door cracked just enough that you didn’t need to pop your head in to see what was happening. Aki was home, for once, and you … you were watching him through the crack in the door. But how could you not? You knew where the sounds were coming from now, because Aki was the one making them.

His dark hair swept in front of his eyes as he sat back against his pillows. He wore a white t-shirt, while his boxers bagged around his ankles. Grunts slipped from his mouth – that pretty, pretty mouth you'd seen wrapped around a cigarette. And his hand … his hand wrapped around his cock, pumping furiously – desperately – with a pair of your panties enveloping the head. The same red lace panties you thought you’d lost months ago.

You almost considered walking away, making noise in the kitchen so he would know you were home, but then –

Then, your name left his mouth in a whimper.

He was stroking himself even faster, muttering your name into the silent room with your panties wrapped so nicely around his cock. He was thinking about you, wanting so desperately cum in your panties, wondering if you thought about him when you used your vibrator. You were frozen in place, completely fixated on him as he leaned back against his headboard, his face finally exposed so you could see the way his jaw went slack, the way he moaned out your name. And – oh my god, you should leave –

But you couldn’t. And deep down, you knew there was a dirty part of you that always wanted to see this. Ever since that night on the deck, when you were wearing your favorite dress and all that glitter, and you noticed that he was looking at you in a way a platonic roommate definitely shouldn’t. You had started to think about him late nights when you were alone with your toy. You brought home dates, wanting him to see, giggling when you recognized his jealous expression. You tried to wake up earlier, just to see him when he stumbled through the door. Once, you even did his laundry to smell the nicotine on his jacket.

The two of you simply couldn’t help yourselves.

And when you watched him finally reach his peak, spilling into your forgotten red lace panties, you realized just how wet the ones you were wearing had become. You watched him grunt as he came, breathing heavily and wiping the sweat off his brow. And when he muttered under his breath a soft, “Fuck,” you couldn’t help the short gasp that left your lips.

Aki stalled. Oh, shit. You hadn’t been quiet enough. He sat up more in his bed, pulling his boxers up, and you whipped your back against the wall. You cupped your hand over your mouth, praying he wouldn’t come out and see. But he was whispering, “Who’s there?” And you only had enough time to move ten feet down the hall before you heard the creak of his soles on the old floorboards.

“Fuck,” he muttered, louder this time.

Your back went straight, and after what felt like an eternity, you slowly turned to face him. “Aki,” you put your hands up in surrender, “I didn’t see anything –”

“Oh, what the fuck,” he shook his head at himself, quickly walking back into his bedroom. You were stunned, not knowing what to do, as he continued talking to himself in the room: “Stupid fucking idiot not closing the fucking door. What the fuck? What the fuck? My worst fucking nightmare. Fuck, why do these pants always get caught around my ankles? I need to get out of here. Stay at Denji’s for the night. Fuck, fuck, fuck –”

He emerged from his bedroom, now wearing jeans, his favorite Converse, and a leather jacket. He tried to pass you without looking, whispering obscenities under his breath, but then you were tugging on his jacket, lips pressed together.

Aki paused, cheeks red with both embarrassment and anger at himself, but you didn’t let go of his sleeve. He noticed the redness of your face as well, the black of your pupils almost covering your entire eye, and were you … were you aroused?

Swallowing hard, your voice was but a mere whisper when you asked, “How long have you had those?”

He knew what you were referring to. It didn’t take an idiot. Your stares were locked, and despite his shame, he wouldn’t turn away. “A while,” he mumbled.

“How long is ‘a while?’”

“Months, okay?” His eyes narrowed and his voice took on a new tone. “Now, can you let go of my jacket so I can leave and save us both the embarrassment –”

“Months,” you repeated, licking the corners of your lips. His eyes were made of blue fire as he stared down at you, and even with your office attire on, you felt utterly naked beneath his gaze. “I’ve … I’ve been thinking about you for months too.”

Aki took a moment to process your words, and your grip hesitantly released on his sleeve. But he wasn’t – he couldn’t – let you get away so easily. His breath was shaky as he placed both of his hands on the wall behind you, pinning you to it. So many times had you two passed each other in this hallway, so many words left unsaid. And now, he was pressing you against it.

“You’ve been thinking about me … for months,” he thought out loud, leaning in a little and nosing your hair. Your scent was intoxicating. That perfume … he could cum in his pants just from smelling it. “For months, you’ve been bringing guys to the apartment to … to what? Make me jealous?” He chuckled under his breath. It took him so long to put it together. “For months, you’ve been touching yourself right before I leave so I go to work fucking hard.” His nose traveled down to your neck, grazing that spot you told him about, and you shuddered. “You’ve been putting me through the wringer and I didn’t even have a clue.”

“You’re … you’re not so innocent.” You tried to keep yourself together, but it was difficult with him pinning you to the wall and – oh, he was already hard in his pants, pressing into you.�� “You’ve been stealing my panties so you can masturbate with them.”

Aki hummed quietly, pressing his lips so delicately to your neck, as if his cock wasn’t completely strained in his jeans. “I supposed I have,” he whispered against your skin, “for months.”

“Since that night on the deck,” you croaked out, hands balling into fists as he licked a stripe up your neck. If he didn’t stop, you’d surely moan. “But I didn’t say anything – didn’t think about saying anything – because … because we’re roommates.”

“We are roommates,” he said, lifting his head from your neck, his lips hovering so close to yours. “And if we’re just stating facts here, I’ve needed to kiss you since that night.”

You didn’t wait for him. Immediately leaning in, your lips pressed onto his in a hungry kiss. His mouth molded to yours, and he tasted exactly like you thought: like black coffee, cigarettes, those raspberry pastries he always kept in the kitchen. His tongue, slipping into your mouth, tangled with yours in a way that you had only dreamed about. Your hands released from their fists, instead reaching up to twist in his t-shirt, bringing him even closer to you. He’d hardly touched you and you were completely, utterly soaked.

As if hearing your thoughts, his lips broke from yours for just a moment to beg, “I need to touch you.”

“Please,” you whispered back, and his mouth was back on yours.

He dragged one hand down from the wall (his shaky hand, believe it or not), still pressing you against it, and worked on unzipping your trousers. You nuzzled your nose against his as he kissed you deeply, slipping his hand in your pants, past the waistband of your panties and – you were exactly as he dreamed you’d be. Absolutely wet. Just as needy for him as he was for you. “Fuck,” he muttered into the kiss, spreading your soaked folds with two long fingers.

Your lips tore away from his, a trail of spit following, because you simply had to release the moan you’d been holding in for so long. Despite loving the way your mouth fitted against his, he was glad for it, wanting to see your face when he started rubbing your sensitive clit. And fuck, was it the most beautiful thing he’d ever seen. Your fists on his t-shirt went loose as your body felt like it was made of liquid, angling into his. Your lips pursed, soft whimpers filtering out as he rubbed you in those tight circles.

“So fucking wet f’me,” he mumbled, grazing his lips over yours. “Dreamed about this for months. Fuck, I’ve gotten hard just thinking about this pussy.”

He finally dipped a single finger inside you, and your hips immediately jerked against his hand. Aki let out a shuddering breath when he felt how much you were squeezing just one finger, pumping it in and out of you slowly. “Please,” you whispered, despite his thoughts, “I can take more. I promise.”

You didn’t need to ask him twice. He shoved two fingers inside you, curling them against that spot that had your hips instantly bucking. “Fuck, Aki,” you whined as he plunged those fingers in and out of you, using his thumb to rub your clit.

“Yeah?” He breathed.

“Kiss me.”

Aki moaned from your words alone, kissing you hard while fucking you with his long fingers. He was practically drunk on you: your scent wrapped around him, you tasted like citrus, and the way bucked into his hand … god, he needed to fuck you. So bad. And if you didn’t want that, then he needed to jerk himself off immediately or else he was going to explode in his pants. The last thing he needed was another embarrassing moment tonight.

It only took seconds to have you sighing into the kiss, squeezing his fingers like a vice as you came. His thumb on your clit was relentless, taking you over that lovely peak, as you mewled and cried into his mouth. It was almost religious, the way you moaned, and Aki had never felt closer to God than in this moment.

When the adrenaline subsided, he slowly removed his fingers from you and broke the kiss. You watched him intensely as he brought the fingers covered in your slick to his mouth, tasting you. Your lips fell open slightly, eyes going wide while his own closed, savoring the taste. What the actual fuck, you thought to yourself. How the fuck have we been living under the same roof and it took this long for me to see that?

Without missing a beat, you pushed yourself off the wall, winding your arms around his neck and latching your legs to his waist. He lifted you as if you were made of air, kissing you so that you could taste yourself. Before you could even perceive how much time had passed, you were on his bed, blouse disheveled and trousers undone. Even your hair hadn’t left the updo you put it in every weekday. Your eyes flickered to the right and you giggled to yourself. He had finally shut the door.

His eyes remained on you as he shrugged off his jacket, and then his pants. He was back in the same outfit you saw him in earlier, when your panties had been wrapped around his cock like a birthday present. He hesitated before finally pulling off his shirt, and you saw the scars lining parts of his chest. Definitely not a security guard, you thought to yourself but decided not to ask about it now. You reached up as he stood between your legs, brushing your fingers over the scars, and then dragged them down his abdomen. His frame was thin, but he was more built than you believed, always hiding himself under those oversized button-ups.

He wrapped his hand around your wrist as you touched him so gracefully. “Do you want to …?” His voice was so soft, the question hanging off the edge of his tongue.

And then, you smiled up at him, looking like an angel. “Yes, Aki,” you whispered.

He felt like a kid in a candy store. The only thing – the one person – he’d been dreaming about and looked at him as if he weren’t a machine, or a gun with the trigger pulled, was lying before him and liked him. For months, they’d both said. His dominant hand was shaking as he started unbuttoning your blouse, and when you noticed (though you had observed this the day he moved in), you grabbed his hand and placed it on your cheek. With his left hand and your right, you worked together to undo the buttons until your chest was exposed for him.

Moonlight streamed through his bedroom, the only light source in a seemingly dark area. City lights reflected on you as you pulled your hair free from the updo, those pretty strands fanning on his sheets. His sheets. Because you were in his bed. The blinking lights from corporate buildings outside your little apartment created a halo around your head and – fuck, you really were something religious. For so long, Aki thought only hell existed. I mean, all the Devils were here, contracted to them. But seeing you splayed out so heavenly for him on his bed, he knew then that Angels had to exist too.

He took his time taking your pants off, watching the way you bit your lip when the cold air of his room hit your soaked panties. Your eyes glanced up to his boxers, seeing the indent of his long, thick cock, and your mouth went dry. His fingers hooked on the waistband of your panties, slowly dragging down and throwing them off to the side, hoping you’d forget about them so he could pocket another pair. With you exposed and bare on his bed, he really took a moment to admire you: the way your cheeks flushed, how the halo around your head flickered, the way your arousal seeped out of your pretty pussy and your nipples peaked. He just had to touch you; it would kill him if he didn’t. Leaning down, he began peppering kisses on your neck, your collarbone, before finally latching his lips around one of those sensitive nipples. Your breath stuttered at the sensation, and he used his left hand to palm your other breast, twisting the nipple between two fingers. You writhed under him, and he couldn’t help but grind his clothed cock against you, groaning and swirling his tongue around your nipple in tandem. Locking your legs around his waist, you held him to you so he was forced to keep grinding against you. It felt too good, and he wasn’t even inside you yet.

He tugged on your nipple and released it, breathing heavily as his eyes met yours. “If you don’t let me go, I’m definitely going to cum before I’m even inside you.”

“Poor Aki,” you giggled, letting your legs fall back on the bed. “Would that really be so bad?”

His eyes were burning into yours, serious as a heart attack. “I’ve been fucking my hand to the thought of you for what feels like forever,” he whispered, pressing a light kiss to the valley between your breasts. “I don’t want to ruin this moment.”

Aki moved up so that his lips were hovering over yours again, and he could really see the sparkle of your irises in the moonlight. You reached in between your bodies and gingerly massaged his bulge, feeling how much he’d already soaked his boxers with precum. “You couldn’t ruin anything even if you tried,” you replied, your voice light and airy. “I’m on the pill. I’m ready when you are.”

“Shit,” he groaned at your mention of being on the pill, trembling as you massaged him. This had to be another one of his dreams. Just the thought of being inside you without the barrier of a condom … he was so close to completely exploding. He didn’t deserve this, didn’t deserve you, after all the hell he’d witnessed and brought forth into this world. But he couldn’t help himself. He needed to have you, roommates be damned.

He stood up, needing to get away from your gentle hand. You sat up a little to help him tug down his boxers, careful of that shaky hand of his, and his cock sprang free, dripping precum on the floor. Aki, ever the gentleman, laid you back down on his bed with ease, holding your stare as he spread your legs wide for him. He breathed, praying to whatever god placed you in front of him that he wouldn’t cum prematurely. He couldn't remember the last time he had sex, but he was so desperate for you that all he cared about was not tainting this moment, this dream.

Aki grasped his cock, giving it a few hard pumps and grunting, before positioning himself at your entrance. You both seemed to hold your breath as he finally slid in, just an inch at first, and the two of you seemed to release that shaky, nervous breath. “Oh, fuck,” he groaned, burying himself further in your tight warmth, bracing his elbows beside your head.

“Keep going,” you begged. “It’ll fit, Aki. Promise.”

You were going to kill him, he was sure of it. Aki had felt the way you squeezed his fingers, but it was nothing compared to pleasure of being inside you, feeling how tight you really were. So much better than his hand. Once he was fully seated inside you, he opened his eyes just to look into yours. Your lips pursed, legs wrapping around his waist once again, and you slowly nodded for him to continue. His cock twitched.

“You’re going to be the death of me,” he muttered, sliding out of you before slamming back in. You cried out, carding your fingers in his hair, and he molded his face in the crook of your neck to muffle his own whimpers. You just felt so, so good – so good that he could cry. To think that his bed had once been so cold, so lonely, but now you were occupying the space, trembling underneath him as his cock slipped in and out of you.

Your moans were like gospel. For so long, Aki had been used to loud noise: to Denji’s complaints, to Power’s shouting, to the Devils’ in his ear. But now, it was just you two on the altar of your apartment, silent except for your heavy breaths mingling and the sound of car horns outside. You were wet and slick like holy water, taking him so nicely despite his size, and god – it was like you were made for him and he was made for you.

You tugged on his hair, needing him so badly even though he was already yours to begin with. He really would have you any way you wanted. All you had to do was ask.

Aki was already so close to release, but he needed you to cum with him. As he fucked into you harder, deeper, his cock curving against that spot that made your eyes roll back, he reached in between you two and found that swollen bundle of nerves in the apex of your thighs. “Aki,” you whined, tears pricking at your eyes as he rubbed your clit. He could die happily now that he heard your voice like that in his ear, knowing it was him that made it happen.

“Yes?” He said, breathless, placing sloppy kisses on your jaw. You clung to him, melting into him like ice cream on a hot summer’s day. “I’m so close. Are you close, angel?”

You whimpered at the nickname. “Almost.”

“Almost?” He fingers went a little faster. “Let’s get you there.”

As his two fingers rubbed tight, small circles on your clit, he angled his cock inside of you so that he could brush your G-spot with every thrust. You were now clutching onto him with all the strength you had left, entwining your body with his and feeling his muscles flex against your stomach. He was so deep now and you were so close and oh my god, Aki Hayakawa had you like putty in his hands.

And it was like he knew it without you even saying it. Because as your walls started to clench around him, he whispered into your ear. “Cum for me, angel. Please, please, need to cum with you.”

Your body convulsed, going tight around his cock as you came. Tears streamed down your cheeks and you called out his name, spurring him to fuck into you faster, reaching his own peak in the middle of yours. He groaned deep into your neck, hips stuttering as he spilled himself inside of you. You kept your legs around his waist, not wanting to miss a drop, and arched yourself against him, coming down from the high of your intense orgasm. Aki was still rubbing your clit slowly, whispering praises into your skin like, “Did so good me … So pretty … Could listen to you cum for hours.”

You two laid like that for a while, feeling his cock soften inside you, panting heavily against each other. Once he finally pulled out of you, your combined releases dripping down your thighs, you laid beside each other on his bed and stared at the ceiling. The silence was comforting, until he whispered, “Please, tell me that wasn’t all a dream.”

Turning your head, you smiled at him. “Do you feel this?” You pinched his arm.

Aki flinched. “Ow.”

“Definitely not a dream,” you chuckled.

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