1 - 20 of 439 Works in Alpha Dazai Osamu (Bungou Stray Dogs)
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In a city where scent is regulated and bloodlines rule, Dazai Osamu is a perfect heir—until a Beta escort with a scent that shouldn’t exist turns his world inside out. Beneath the sterilized perfume of power, something real begins to burn.
Series
- Part 1 of The Veins Beneath The City
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After almost two decades of separation, Atsushi could finally live peacefully with his alpha.
Dazatsu week 2025: Marriage AU
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Un día después de que Odasaku muriera, su hijo nace. Dazai decide que su cachorro no se criará en la Port Mafia, así que lo toma y se larga con él haciéndolo pasar por muerto. Cuando su niñera no puede cuidar más de Fumiya y Osamu no tiene otra opción que llevarlo a la A.D.A, todo se desvía.
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“The headliner is about to go on and everyone's rushing to get drinks before his set starts,” she says.
Right. The headliner.
As in, the guy he just had sex with.
Again, he can't quite shake the strange feeling he gets as he remembers that. Which is unsettling because it's not like it's something crazy that he's never done before. (Sleeping with a headliner, that is.) But for whatever reason, the look in Dazai's eyes—the one right before he kissed Chuuya—plays in his head on repeat.
----Chuuya is a bartender at The Port Comedy Club who once dreamt of the spotlight. While he's used to punchlines and one-night-stands, he's in over his head when meets Dazai, a charming and internet-famous comedian looking to take his career in a new direction.
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Instead of “killer omegas” what they tend to hear is something in the lines of “killed omegas”, just a letter, but still a significant difference that trespasses the frontiers of the things that are acceptable. In this society, it is easier to understand an omega that’s killed, than an omega who kills.
This is where our upbringing in this society might trick us to think, criminals are criminals, regardless of their gender.
But are they?
Why does an omega kill? That is the question I want to ask, and the answer I look to give.Or
Nakajima Atsushi an omega of 18 yrs old is forced to marry Tatsuhiko Shibusawa and alpha of 32 years old. Mystery arises when the later is found violently murdered in their own home.
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First encounters should be sweet for many but for Detective Nakahara Chuuya, that ain't the case...
..Or at least that's what he wants to believe.
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Чуя, обещал себе, скалясь и крепко сжимая кулаки, что никто и никогда не увидит его слабость. Что бы ни случилось, как бы сильно обстоятельства ни шли против него, он всегда останется собой. Всегда.
Альтернативная реальность со способностями в омегаверс мире. Про телесность, свободу, независимость и важность любви. -
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Nakahara Chuuya, an Omega with a bad temper, finds a job as the assistant for Dazai Osamu, the CEO of the Mori Corporation.
Chuuya wants to start on a good foot but the alpha’s cold exterior and rumored dislike for Omegas is definitely not helping…
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After a mission turns chaotic, a fleeting moment between two enemies-turned-lovers leaves behind more than just bruises. When one of them disappears without a word, the other is left to confront the aftermath alone, aching and irrevocably changed. In a world shaped by instincts and bonds, some marks are made without meaning to… and some consequences can’t be outrun.
Series
- Part 2 of Soukoku After Hours
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like missiles falling from the sky by encsiimomo
Fandoms: 文豪ストレイドッグス | Bungou Stray Dogs
28 Sep 2025
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No one else seemed to notice the weird spark between them. Shirase, right on cue, guided the discussion to the next step of their plan: an offer of hospitality. He gestured casually toward the stage, pointing right at Chuuya, and suggested the Port Mafia Boss take his pick of the dancers.
The old man chuckled, amusement softening his lined features. “I’m too old for that kind of fun,” he said, voice full of intentional warmth, before he inclined his head toward the younger alpha who had yet to take his eyes off Chuuya.
The alpha’s gaze lingered, steady and unreadable, making Chuuya suddenly understand that the real negotiation was just about to begin.
The Boss’s lips twitched in faint humour as he continued, “I appreciate the offer, but let my friend here take the opportunity. Your dancer seems quite interested in him as well.”
Bingo.
If Chuuya’s instincts were right, – and they were most of the time, – the old man had just handed him the key to securing this deal.
or: Port Mafia Boss Dazai and King of the Sheep Chuuya negotiate a truce between their organizations.
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Chuuya was sure he'd never be anything other than a scentless, pheromone-less, mating cycle-less beta. Even betas had scents and could easily detect who in a room was an alpha or omega. Chuuya had to be told, just because he just couldn't, not like everyone else, anyone else who was normal. Chuuya was far from normal
Of course, Dazai was an alpha who presented not long after Chuuya joined the Port Mafia. It was he who always made it his mission to let Chuuya know about his absence of a presentation.
Until Chuuya found out one day he was unable to control himself.
And even Dazai couldn't either.
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“Osamu…what’s going on?—” But the words caught in his throat as he took in the scene. Hikari was thrashing in his father’s grip, choking on sobs. Chuuya’s eyes widened. “What are you doing?!”
Dazai turned his head toward his husband, his eyes still cold as ice. “Our son tried to run away from this house.” There was no mockery in his tone. His voice carried anger disguised as calm. “I wonder who gave him such courage?” His words dripped with accusation.
For a moment, Chuuya lunged forward, desperate to take his son into his arms. But Dazai’s body shifted between them, steel and immovable, like a wall.
“No.” he said, the word falling from his lips like ice. “You’ve spoiled him enough. He’ll stay in the basement tonight. Tomorrow, I’ll give orders to have the window in his room fixed.”
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Aka. Dazai and Chuuya's second son was born an omega. Dazai kept his omega son imprisoned in the house for the rest of his life to protect him from everything.
Series
- Part 1 of BSD Omegaverse
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Nakahara Chuuya had everything he could ever desire: a successful career, a loving family and friends, and most importantly, his girlfriend. But what if the past he'd carefully hidden began to unravel, revealing a truth he'd always known about but tried to bury? What if a single, unforeseen event shattered his carefully constructed world, plunging him into a twisted game that threatened to destroy everything he held dear? One misstep, one wrong move, and his carefully crafted life would crumble, all because of the devil himself, Dazai Osamu.
And this game is about to begin....
Beta read and edited by MoonMartini
Series
- Part 2 of Memories that meant to be forgotten
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Dazai Osamu y Nakahara Chuuya se conocen desde que Chuuya tiene memoria, han vivido juntos su presentación, el primer celo, la dura vida de niños en las calles y convivieron juntos con Las Ovejas. Pero la Port Mafia le ofreció algo tentador a Dazai y luego de marcar a Chuuya aprovechando su estado, se fue sin decir una sola palabra.
Han pasado los años, Chuuya trabaja con la ADA y entre todos cuidan de su pequeña hija. Kunikida es un gran apoyo para él y Atsushi es como otro hijo. Todo parece ser feliz... hasta que la Port Mafia pone sus ojos en Atsushi y deben actuar.
La primera vez que ve a Dazai en años es en esa reunión.
Dazai no sabía que esa noche también había embarazado a su ex compañero.
(Mentira, sabía perfectamente lo que estaba haciendo). -
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After all, rumors say Port Mafia is just a metropolitan legend, right?
---Chuuya is proud of being an omega, but genuinely naive when it comes to the real world out there.
When he's called for an internship at the PM group, Chuuya believes that he's finally getting the job of his dreams.
Little does he know that accepting the offer will eventually change his life forever, but not exactly how he imagined it would: no matter how hard he tries, instincts cannot be tamed.---
I want you to be mine. Selfishly, thoughtlessly, mine. -
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"I'm going to fucking kill you," Chuuya weakly bites out. He smells so badly of heat, of need. Dazai's cock throbs against his zipper as he entertains the idea of eating Chuuya's slick ass out until his jaw locks.
"God, Chuuya," he groans, no longer bothering to act so unaffected.
Or: Chuuya's heat comes early, and he sure is lucky to have a mate that's always willing to provide.
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Chuuya and dazai are happily matted but that wasn't always like that
Basically dazai gets to fuck chuuya and then emotions
Actual spice ❎
Feelings ✅ -
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Forced into marriage with his cousin due to his parents's sick desire to make the 'perfect heir' Nakahara Chuuya is forced to have sex with his cousin, Dazai Osamu.
OR: The cousin incest fic nobody asked for,
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Two months earlier:
“Do you really want to raise our baby here, Chuuya? In this horrible, disgusting place?” Dazai’s voice was uncharacteristically raw as he sat beside his pregnant husband on the couch. For once, there was no sarcasm, no inconsistency—just helplessness. “Don’t you think Oda was right?”
And now…
The moment Chuuya pieced it all together in his mind, his body lurched with the reflex to retch. A deep discomfort burned in his throat as his nails dug into the skin of his own neck. He shut his eyes, struggling not to lose his sanity.
Dazai did it. The moment Chuuya gave birth, Dazai had taken their baby from him and fled the Port Mafia. He ran. He ran. He ran. He ran. He deceived Chuuya.
“Dazai…” Chuuya’s pupils dilated with sudden, shattering realization, and he screamed.
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Chuuya has been glowing ever since telling the Port Mafia he’s pregnant, but alone with Dazai, that glow becomes feral, desperate need. Every touch, every worshipful thrust, and every whispered praise sends him spiraling with pleasure. Multiple rounds of fevered, messy, overstimulated passion leave Chuuya completely undone, utterly claimed by Dazai, and basking in the bliss of their love and the life growing inside him.