Dazai X Gn!reader - Tumblr Posts

┊PASILYO┊˚✧

┊ONE SHOT┊DAZAI OSAMU X GN!READER┊

words: 1,941

unrequested

additional/warnings: ooc (?), cringe, nausea, mentions of throwing up (light), minor swearing typical Dazai suicide mentions (light), public display of affection, and uhh kising

Happy birthday to my glorious princess, y'all 🗣️‼️

Rays of sunshine outlined the furniture of the Armed Detective Agency. Dazai was at his desk, folding origami when he was supposed to be doing a report. It was one of those quieter days in the office, a rare day where there weren’t many cases to finish.

A buzz from his pocket. Dazai checked the notification, reading a message from none other than you.

|[Nickname]: sneak outside 🙏|

And they say he’s a bad influence…

———

Standing outside the building, you wait for him. It was the perfect weather, the sun decided to be warm—and not in the way where it’s painfully hot to the point that just a short walk would leave someone sweating.

“[Name]!” you easily spot the familiar caramel coat through the small crowd, Dazai happily escaping work to join you. “I got your message,” he remarked, walking until he’s right next to you.

“Happy birthday,”

A beautiful bouquet of flowers entered his field of view, forget-me-nots wrapped in a beautiful light blue. A silk white ribbon tied the thing together, a gift looking alike to the summer sky.

What’s next was a pretty sight, flushed cheeks and a surprised detective. Dazai couldn’t help but go speechless, not one to be used to affection. You almost wanted to tease him about it, but decided not to, showing a twinge of mercy upon the man.

“Hey… Earth to Osamu?” he snapped out of his daze, feeling you tug on his sleeve.

“Ah– uhm,” he makes a poor attempt to cover his embarrassing reaction, covering his face with a hand. It was fun to make him flustered, a feeling you rarely see him have. “Thank you…?”

You scoff at that dry reply, placing the bouquet on his hands before tugging his sleeve again, starting to pull him somewhere. “Come on, I’m spoiling you today, so we better start early if you wanna make the most of it.”

Dazai followed after you, letting you drag him on. It took a while, but he came back to his senses, a soft expression gracing his face at your words. “Really?” he asked, almost tauntingly as he tried to get a specific answer out from you.

“Yeah, yeah,” you answered, walking slower so that you’re side by side. “Whatever you want,” you say, looking at the pathway ahead as you barely conceal the smile on your lips.

“Whatever I want?” a cheeky grin. “Even a double suic–?”

“Anything but that,” you cut him off, turning your head just to see him laughing softly, slightly covering his face with the blue flowers.

The soft appearance of genuine happiness is a great look on your lover.

———

“Let’s try that one again!”

The sheer look of horror on your face was picture worthy. Dazai decided that the perfect way to spend his birthday was to try the roller coasters having motion sickness written all over it. “God, no.”

Sure, you did suggest going to the amusement park, but these aren’t the rides you expected to go to. Dazai was milking everything out of this opportunity, trying out every single attraction in the park but the calm ones.

How many times have you gone to the same roller coaster, now? Thrice? Four times? That drop still gets you. “How the fuck are you not even dizzy…?” you ask, sitting down on a bench to collect yourself

Dazai was laughing at your predicament, earning a glare from you. “Fine, fine, we’ll take a break from the rides,” finally some mercy on your nauseous self.

You sigh, before hunching over slowly, seeing black in the corners of your vision. “Fuck, I think I’m throwing up.” a pat on your back, but the brunet’s not very discreet giggles made it feel like it didn’t help at all.

Luckily, you didn’t start vomiting. You ended up buying him lunch despite his claims of not being hungry, making him sit down on a shaded table to eat. The park had a few food stalls around, so you two had plenty of choices to pick from.

His eyes scanned the selection of food stalls before his gaze landed on one. He perks up a little, tugging on your hand to get your attention. “Hey, let’s get takoyaki.”

You nodded, holding his hand as you went to the food stall, buying him the food he wanted before buying food for yourself. Dazai of course just had to steal your food, taking bits and bites here and there. You didn’t mind… mostly.

“... If you’re gonna end up eating my fries anyway, why didn’t you just buy some?” you ask, as he stole another bite with a shrug. You could only brush it off, wanting to get it over with so you could make most of your time here.

“Because stealing yours tastes better,” he replied, a terrible excuse. A mischievous glint can be seen shining in his brown eyes as his fingers stole another one, not even hiding it at this point now that you pointed it out.

You gave a sigh of defeat, letting him steal as much food as he desires. It was a quick snack break, before you two continued your little birthday celebration, so you just let it pass.

The sun was already shining right above you when you finally got back on your feet, fully recovered to try more attractions. His hand had found yours, as you looked for more things to try out. Dazai’s eyes found themselves following the path of the ferris wheel, the sight of it catching his eye.

Slow, scenic, peaceful—the complete opposite of the previous rides you two have gone on. A grin appeared on Dazai’s face, and he tugged on your hand, pulling you towards the entrance to the ride. “Let’s go on that one,” he says, a hint of eagerness in his voice.

You couldn't help but let out a breath of relief, seeing that he finally chose a calmer ride. The procedure to enter was short, buying a ticket, going in line, before entering the ride.

The gondola was simple, the sleek white car fitting the both of you on one side perfectly. It was slow and gentle, moving bit by bit as it got turned higher into the sky. “Much better than those adrenaline-fuelling ones, huh?” he mentioned, looking at you through his peripherals.

“Yes, actually. At least we can actually converse instead of screaming our lungs out,” you retort, turning from looking out the large windows to him, meeting his gaze with your own.

Dazai held in the laugh settling in his throat, shamelessly seeking your hand to hold again. He loved the contact. “You’re the one screaming out of fear, though,” he pointed out, pulling himself closer to you.

You roll your eyes, allowing him to be as close as he wants—as close as he needs. It took a while, but your capsule eventually reached the top of the circle, getting the highest view.

The brunet decided that you were a headrest at the moment, leaning his head on you before turning to the window on his side, slowly falling silent.

This was what you hoped you could distract him from. That faraway look was in his brown eyes as he looked at something long gone. It was another year. Another year without him, another year he'll slowly grow older than he could ever get.

Another year, and this time, he'll remember him longer than he's known him.

The view outside the windows was breathtakingly beautiful. Yokohama in clear view to both of you. From high-rising buildings to the crystal lake near the park, everything was graced with the warm afternoon light. Yet those brown eyes couldn't find the same warmth you could.

That solemn longing was a look you didn't want to see him make today. You wished his mind wouldn't have to think like this just for a day. Just for a moment. Just for now.

So, you nudge his leg with yours, earning his attention. “You wanna get crab later?” you ask when he turned to look at you, hands on his to hold. You'll distract him for as long as needed. You'll keep him away from those thoughts and bring the warmth he needed on a day he would otherwise hate.

Dazai turned around, snapping out of his train of thought at hearing your question. A smile stretched on his face, grip lightly tightening on your hand. “Of course the answer is yes,” he answered.

At least he doesn't look so solemn now. You subconsciously bring a hand up, brushing a strand of his dark brown hair behind his ear, your touch lingering for a moment longer than necessary. Way longer, actually.

“...touchy today, hm?” he teased, a cover up to him growing flustered under your affection. “What, can't keep your hands to yourself?”

“Don’t even start,” you reply with a threatening edge. Dazai raised his hand in surrender, keeping his silence with a cheeky smirk.

———

Crisp wind blew on your hair, you closed the door behind you in a rush. “Slow down, we just ran up a bunch of stairs–” you gasp out, out of breath as Dazai dragged you to a rooftop. The Agency building's rooftop.

The brunet only chuckled at your reaction, stopping to let you catch your breath. “Alright, alright! We're here anyway.”

You take a deep breath in, the air finally getting in your lungs properly. “We’re here early, you didn't have to– you did not have to drag me and run all the way up,” you groan, wheezing in suffering.

The sun was almost setting, hanging just above the horizon. You two wanted to catch the sunset, deciding that this is the best spot to watch as it settles down the city skyline.

Dazai held your hand, tugging you along to the edge of the building. “This would be a romantic time to die,” *he remarked, making you deadpan.

“Nuh uh,” you retorted, looking at his steps just a little more cautiously in case he decided to swan dive over the edge. “Would be a great time to watch the sunset though.”

As you said that, Dazai looked up, catching the way the skies were painted in pink and orange hues. It was an ethereal scene—one that should be painted to preserve.

You glance to the man beside you, seeing him gaze off into the sunset. It wasn't a lie that he was pretty, with how the sun outlined every feature on his face, basking him in a warm light.

“You’re staring,” he hummed, brown eyes glancing at you, already prepared to send a barrage of teases for catching you in the act.

Confessing you were was the only way out, then. You let out a scoff, the sound half a chuckle. “Yeah,” he turned to you, the sun leaving its last trails of warmth before letting the moon reign in the sky. “Happy birthday.”

Dazai smiled, a soft look on him. “Shouldn’t I get a present?” he asked, leaning towards you with a hint of what he wants. The brunet reached for your hand, pulling them to cup his cheeks.

A fleeting kiss, before another, dragging him closer to press your lips on his. You could feel how the warmth spreads to his face under your touch, feel how he smiles against each kiss.

You hear him giggle, leaning back just enough to speak, still holding his face. “More?”

“More,” he nodded, feeling giddy with each touch. Just for the moment, he felt that life was worth living. You pull him closer, resting your forehead on his.

“Whatever you want.”

divider credit: @/cafekitsune

ive got a bit of an issue.. my ipad's theme is now dazai everywhere (evil laughter) i love him sm i wish gay men were real tbh

જ⁀➴ 🤍 lovesick!dazai headcannons !! — (no gender specified)

just imagine lovesick!dazai absolutely whipped for you; you’re just too kind for your own good and giving dazai affection;

imagine lovesick!dazai being so touch starved, i think he loves hugs very much. makes him feel him so wam and safe, but at the expense of feeling slightly vulnerable.

imagine dazai flirting with you just see your reactions via blushing, giggling, or even cringe at him. (just imagine lovesick!dazai rizzing you up with corny pickip lines he saw online)

“ 𝐓𝐇𝐄 𝐃𝐈𝐍𝐄𝐑 . ”

character : dazai osamu

context : you’re an agent going undercover, you encounter port mafia executive dazai. he finds you interesting. yeah..

authors note : you should listen to the diner by Billie ellish to get the vibe to it.

warning : stalker briefly mentioned, stalker!dazai, can be interpreted romantically or whatever, shout out to my bbg @riiwrites 😼☝🏽, murder and blood mentioned too, gender not mentioned, literally we rock with they/them 💋‼️.. uhm I think that’s all gays yeah..

,, 𝐌𝐎𝐑𝐄 𝐔𝐍𝐃𝐄𝐑 𝐓𝐇𝐄 𝐂𝐔𝐓. 𝜚

𝐓𝐇𝐄 𝐒𝐊𝐘 𝐀𝐁𝐎𝐕𝐄 𝐖𝐀𝐒 𝐀 𝐁𝐑𝐄𝐀𝐓𝐇𝐓𝐀𝐊𝐈𝐍𝐆 𝐖𝐀𝐓𝐄𝐑𝐂𝐎𝐋𝐎𝐔𝐑 𝐎𝐅 𝐅𝐀𝐃𝐈𝐍𝐆 𝐎𝐑𝐀𝐍𝐆𝐄𝐒 𝐀𝐍𝐃 𝐏𝐔𝐑𝐏𝐋𝐄𝐒, the last remnants of daylight clinging stubbornly to the horizon. It was a view [name] had come to appreciate, standing on the balcony of the modest clinic where [name] built their cover. As a doctor specialising in human behaviour, their role was simple enough—listen, observe, and blend in. Standing there in viewing the people going about their days, [name] ran their fingers along the balcony’s iron railing, feeling the coolness of the metal beneath their skin. In this quiet neighbourhood, [name] was simply known as Dr. [name]—a doctor who listened to the woes of the weary, a person who could help people understand the storms in their minds. In some ways, [name] had taken to the role more naturally than they expected. It wasn’t far from what I had trained for, after all. But beneath that calm exterior, my real purpose was far more pressing.

The wind picked up slightly, rustling the papers on my desk inside the small office. I stepped back inside, closing the door behind me as I glanced at the scattered reports and profiles I’d been reviewing. Every interaction I had here was a potential lead—every patient, every conversation was a thread that might lead me to the missing documents. I was hunting for the whispers in the crowd, the signs that something was about to crack.

I sat down and opened one of the files again. A name stared back at me—Takeda Masaru, a local journalist with a reputation for being nosey. He had been in to see me twice, under the guise of seeking help for stress and insomnia. But I knew better. Knocking me out of my train of thought, my smartwatch started vibrating. It was morse code.

‘GOOD EVENING AGENT [NAME], IT'S NICE TO YOU ALIVE AND WELL.WE HAVE NEW INTEL. THERE'S BEEN SIGHTING AT THE LOADING. THE DOCUMENTS SHOULD BE THERE. IT SHOULD BE A DARK RED CARGO BOX WITH THE NAME ‘MELLUVS ART AND WRITING SUPPLIES’ . QUICKLY GET THERE BEFORE ANYBODY INTERVENES. BEST OF LUCK TO YOU.’

I quickly changed my clothing still keeping my pants and shoes and swapping my glasses with sunglasses, my shirt with a business shirt. Taking my coat off the rack I jumped off of the railing onto the pavement. The cold air hitting my face, I felt that familiar rush of adrenaline. The peaceful exterior I’d adopted as a doctor was peeling away, revealing the true purpose behind the mask.

I arrived at the loading dock slipping past guards. While remaining on my toes, looking around, finding the maroon cargo box, picking the lock, catching it before it could fall can make noise. Opening the door and sorting through papers. I found the papers of the document, putting the papers in my doctors folder, I turned to step out just to be greeted with…

"Are you lost?" a voice rang out behind them.

“I’m sorry?” You turned towards the stranger with a simple smile.

“I said, are you lost? Dr. [name].” He repeated.

Standing in the shadow of a weathered chimney was a young man, barely older than them, with an unsettlingly casual grin. His black hair fell messily over his eyes, his posture loose and unthreatening, but I knew better than to trust appearances. There was something sharp beneath that smile.

“Ah. No I’m not..”

"Dazai Osamu," the man introduced himself, stepping closer without a care in the world. "What a coincidence, meeting you here."

"Coincidence?" [name]’s voice was flat, unamused. "I don’t believe in coincidences."

Dazai’s grin widened. "Smart. I don’t either."

This wasn’t good. My mission had suddenly become complicated—this was Dazai, a notorious figure in the Port Mafia, rumoured to be both brilliant and dangerous. Getting caught up with him was exactly what their agency warned them about. But retreating now would be even worse. They couldn't afford to show any weakness.

"You’re in my way," I stated plainly, their eyes locked onto him. Dazai’s expression flickered briefly with interest.

"Am I?" he mused, not moving an inch. Instead, his eyes gleamed with curiosity. "I wonder what someone like you is doing up here. You don’t seem like the usual riffraff the mafia deals with. You're different."

I said nothing. They were trained to maintain a poker face, but they could feel Dazai’s gaze piercing through them, searching for cracks.

After a tense silence, I decided it was better to end this encounter quickly. "I have no business with you. Walk away."

Dazai’s grin softened into something almost playful. "I could say the same. But I don’t feel like walking away just yet. You intrigue me."

Before you could respond, a shout echoed from the alley below—footsteps, too many of them. The mission wasn’t over yet. With a sharp glance at Dazai, [name] moved quickly, shoving him out the way with the documents I hand, disappearing into the shadows of the cargo port.

𓎢𓎟𓎟𓎟 . ♡ . 𓎟𓎟𓎟𓎢

The mission was complete, the documents recovered, and the city’s fragile calm preserved. Days passed, and YN pushed the encounter with Dazai to the back of their mind. They believed they had left him behind in that port, a fleeting figure from a fleeting night.

But they were wrong.

It began with small sightings—first at a diner near one of their agency’s hideouts, a quaint place where [name] often went to clear their mind. They walked in for a quiet moment, only to find Dazai, seated by the window, sipping his coffee as if it was the most natural thing in the world. His eyes met theirs, and that familiar grin spread across his face.

The next time, it was at their ‘job’. [name] worked as a hired security operative for a private military company, and the sight of Dazai loitering near the building was more than unsettling. He didn’t approach them, but his presence was a constant reminder that he was watching.

The evening air felt heavy as [name] returned home from a long shift, exhaustion pulling at their every step. They hadn’t noticed the lingering presence outside, the demon in the shadows, waiting. The lock clicked into place behind them as they shut the door, and for a moment, they stood still, listening. No footsteps followed. The silence was almost comforting.

They kicked off their shoes, fingers absently unbuttoning their dress shirt, craving nothing more than the solace of the couch. As they sank into it, something caught their eye—an envelope, placed conspicuously on the coffee table. A surge of unease rippled through their tired mind, heart beginning to race as they reached for the envelope, fingers brushing the edge of the paper with caution. Slowly, they opened it, their eyes scanning the contents.

‘THIS IS A REALLY NICE PLACE YOU’VE GOT HERE! MIND IF I MOVE IN? I HOPE YOU’RE READING THIS SILLY NOTE! I MIGHT’VE STOLEN SOME DOCUMENTS AND IMPORTANT FILES FROM YOUR OFFICE, SORRY, AGENT [NAME]~!’

A low groan of frustration escaped their lips as they crumpled the note and tossed it into the garbage. [name] rubbed their temples, too drained to deal with the antics of a certain mafioso tonight. Just as they tried to let the tension slip away, they caught sight of something—someone—standing on the balcony.

Their heart skipped a beat, and instinctively, they reached for their gun, gripping it tightly as they cautiously approached the window. They slid it open with precision, never taking their eyes off the figure leaning against the railing. "You’re persistent," [name] said, gun ready but posture steady.

The man on the balcony didn’t seem fazed by the weapon. Dazai Osamu smiled as if this were all part of a game. "And you’re elusive," he countered, voice light and carefree. But there was something beneath that tone, something deeper, lurking behind the casual amusement in his gaze. "I like people who don’t give themselves away so easily."

[name] sighed, lowering the gun but keeping it in hand. Arms crossed, they met his eyes with thinly veiled exasperation. "What do you want, Dazai?"

He tilted his head slightly, as though considering the question, his eyes glinting with amusement. "I’ve been trying to figure that out. You’re… interesting. And I’m rarely interested in anyone."

"Flattering," [name] muttered, voice laced with sarcasm as their patience wore thin. "But I’ve got work to do."

Dazai’s expression shifted, his grin softening, but his presence growing more intense as he stepped closer. "I know," he said quietly. "That’s what makes this so fun. You, with your little secrets and dangerous missions… I can’t help but want to unravel it all."

"You can’t follow me forever," [name] warned, voice quieter now, each word a warning laced with resolve.

Dazai’s smile softened further, almost genuine. "Maybe not," he agreed, his voice low, "but I can follow you for a little while longer.”

“Get the hell out of my apartment,” [name] snapped, their voice sharp as they levelled the gun at Dazai. The cold metal clicked audibly as they cocked it, a clear threat in the air. They pointed toward the door, eyes hard and unyielding. “Do it now, or I'll shoot you.”

Dazai’s grin didn’t falter. If anything, it widened, his eyes gleaming with that same unsettling amusement, as if the threat didn’t faze him in the slightest. He raised his hands in mock surrender, but his body remained relaxed, nonchalant, as though he were in complete control of the situation.

“Shoot me?” he mused, voice light but laced with something darker. “Now, now, Agent [name] that seems a bit extreme, doesn’t it?”

“You think I’m joking?” [name] growled, finger hovering dangerously over the trigger.

Dazai took a step closer, completely unbothered by the barrel pointed at him. His voice dropped to a near whisper, his eyes locking with theirs. “No, I don’t. That’s what makes this so exciting.”

There was a tension in the room now, thick and palpable. [name] held their ground, but Dazai’s calmness, his lack of fear—it was disarming. He was playing a game they weren’t sure they could win.

“Get out.” [name] demanded, not lowering the gun but sensing this encounter was only going to spiral deeper.

Dazai’s smile softened just a touch, his tone almost genuine. “Nope~!”

“You’re testing my patience,” [name] warned, heart pounding but steady, still aiming squarely at his chest.

“Good,” Dazai murmured, stepping back toward the balcony door. “I like it when people have limits. It gives me something to push.”

With a final glance, he gave them a playful wink. “Until next time, Agent.” Then, as quickly and casually as he had appeared, Dazai slipped out, leaving the tension in the room behind him like a lingering shadow.

[name] stood still, their gun still raised, breaths coming in heavy. The sense of danger hadn’t left—it was only a matter of time before he returned.

additional author notes : ending kinda sucked ass again smh..

word count: 1k

reposts are welcome but do not steal my work!