BSD Fanfiction
Detectives with supernatural abilities based on famous authors solve crimes in Yokohama.
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What is BSD fanfiction?
BSD fanfiction is fan-created stories set in the Bungou Stray Dogs universe. With over 38,000 works on Archive of Our Own, BSD is one of the most popular fandoms in the fanfiction community.
These stories explore beloved characters like Osamu Dazai, Chuuya Nakahara, Atsushi Nakajima, Ryuunosuke Akutagawa, and many more. Writers create everything from short one-shots to epic novel-length adventures, exploring relationships, alternate universes, and "what if" scenarios.
Most Popular BSD Fanfics
These are the highest-rated BSD stories on AO3, ranked by kudos from readers.
the drop-dead dream, the chosen one
by c_ffeine
Nakahara Chuuya is demoted and forced to patrol along the wall that decomposes any holders of magic that come near it; namely, humans. He finds Dazai Osamu sitting on top of it.or: the 'nakahara chuuya is so done' tag does HEAVY lifting
Sacred Desecration
by Magnoliazai
Kunikida has always imagined himself getting with a perfect traditional Omega, but he finds himself in quite a different situation as he realizes his feelings for a certain bandaged coworker of his. Updates whenever I feel like it, but I'm not the type of person to leave a fic unfinished so dw
no longer human.
by serasty
No one ever truly knew anything complete about Dazai. Everyone picked up fragments here and there—small pieces of information, scattered hints—but even when those fragments were put together, they barely formed a quarter of the full picture. And when an ability began showing Dazai’s memories to both
I’d go back once more
by saiyee
(Beast spoilers if u haven’t read.)This is an idea I got literally bcause of madoka magica. And I’m on vacation and i didn’t bring the fucking papers for my other wip fic. I PROMISE IM GONNA FINISH IT GUYS!! I have a like 4 1/2 days left until I go home. It will get a new chapter soon i promise 😔💔
Don't Worry
by NxSuzu
It is said on some tale that all the secrets have to be uncovered because its armor are the lies that hide them, where the true is the only path to reach the heart. However, Ranpo does not want this little shameful secret to reach the light—the only thought of that makes him feel filthy and ashamed
Revenant of the cinereal light
by SponchaN3
And so, Yasushi died again. Again and again. Until one day, the abuse stopped. It was as if nothing had happened. ...................................... Atsushi is a boy who can regenerate as part of his ability. Super regeneration sounds like a dream power, straight out of a superhero comic. It's n
even when the night changes
by Enula
CHAPTER 15 MADE THE RATING GO TO "E". After the war with the Decay of Angels is over, Ranpo is the one chosen to join the Port Mafia. He's teamed up with Chūya to uncover a decade's long PM infiltration and to take down the enemies within other underground organizations. Ranpo never expected to not
Those darkened thoughts
by Nelja-in-English (Nelja)
Just after Chuuya's forcible recruitment into the mafia, Dazai keeps him unwanted company in the ambulance.
A whole Garden of flowers
by Yosano_Akiko43
No summary provided.
It Actually Worked?…
by GalazyL0ves_ToR3ad
I’m so sorry for this-😭 please forgive me guys-Im going through a lot right now. That is where this stemmed from😭✌️
Null and Void
by LotusJelly
Dazai had come across a bad crowd. Human traffickers to be exact. Not only were they bad at it, they wanted dazai too! - OR - Dazai gets kidnapped by human traffickers and sold to the League of Villains, how will the Port Mafia react to losing their most valuable asset?
You drew stars around my scars but now I'm bleeding
by Izelalora
As the title suggest, this will be an inspired ff from my pov. Dazai is unable to move on from everything and the past memories are making it worse.But will his certain chibi save him?
bad idea, right?
by LogicalLillian379
Can't get that Olivia rodrigo song outta my head… also, wrote this at 4 am after an argument with my bf. Am I qualified yet? In which the soukoku reunion is bitterly familiar, certain to end as poorly as four years ago.
Les liens et les choix
by Louve_234
No summary provided.
Luz De Mi Vida | Soukoku
by RavenRotten
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.
Existing claws at you, but doesn't worshipping death?
by LIOHA
THIS IS A DRAFT AND HAS HAD NO PLANNING SO FAR!!!! Dazai goes through the loathsome pains in life he's always dealt with, as many do, and in the end finds his subconscious eating away, bellowing, craving, yearning to be finally put to death. Almost like a dog (no, not in the way Dazai sees Chuuya).
How to dissapear slowly (skk)
by Blushdrift196
"You're not eating?"Dazai looked up from the book he had somehow smuggled into lunch. "Hm?""Your sandwich i mean" Chuuya looked meaningly towards the untouched sandwich infront of Dazai"Oh." He looked at it as though he'd forgotten it existed. "I'm not really hungry." or, A high school AU, Chuuya
The Day My Life Stopped Being Mine
by NumberOneDazaiHater
He should have said no. He should have told him that he didn't want to make the same mistakes.He made his bed and now he must lay in it.
who wouldn't rather be their reflection?
by warsfeil
Two years after Dazai's death, Chuuya is the Boss of the Port Mafia, and things are going as well as anyone can expect. Until they're not. "What--?" Chuuya manages, the word thick and throaty, too wet, too obvious. He blinks: what he's seeing doesn't change."Chuuya-kun, please come in," Mori says, c
Memories From Long Ago
by NumberOneDazaiHater
While trying to recall his memories from childhood, Atsushi reflects on the things he does remember. A boy from the streets in a nearby neighborhood. Near the orphanage he grew up in, both of them facing layers of cruelty they never asked for(what child does?)
BSD Fanfics by Length
Pick a reading commitment — from one-sitting one-shots to 100k+ epics:
Best BSD Fanfic Rec Lists
Popular BSD Ships
Soukoku
Osamu Dazai/Chuuya Nakahara
Former Port Mafia partners Dazai and Chuuya, whose explosive chemistry and perfect combat synchronization mask a deeper connection.
55,000 works →
Shin Soukoku
Ryuunosuke Akutagawa/Atsushi Nakajima
The 'new double black' pairing of the ruthless Port Mafia member Akutagawa and the kind-hearted Armed Detective Agency member Atsushi.
35,000 works →
RanPoe
Edgar Allan Poe/Ranpo Edogawa
The rivalry-turned-friendship between the dramatic mystery writer Poe and the brilliant detective Ranpo, built on mutual intellectual respect.
28,000 works →
Fyozai
Fyodor Dostoevsky/Osamu Dazai
The intellectual battle between the manipulative terrorist Fyodor and the enigmatic ex-Port Mafia member Dazai, two masterminds who understand each other.
20,000 works →
Odazai
Oda Sakunosuke/Dazai Osamu
The Port Mafia's lowest-ranked member was the only person the demon prodigy could drink with honestly, and Oda's dying advice — be on the side that saves people — is the reason Dazai defected to the Agency. The Dark Era novel made their bond the hinge of Dazai's entire character.
5,000 works →
KunikiDazai
Kunikida Doppo/Dazai Osamu
The Agency partnered its schedule-worshipping idealist with a suicidal ex-mafioso who treats Kunikida's notebook of ideals as a chew toy, and the resulting double act powers half the series' comedy. Beneath the screaming, Kunikida is one of the few who never gives up on Dazai's better nature.
3,500 works →
Fyolai
Fyodor Dostoevsky/Nikolai Gogol
The Decay of Angels' rat and its jester share Bungou Stray Dogs' strangest devotion: Nikolai calls Fyodor his dearest friend and plots to kill him to prove he's free. Their codependent philosophy duel made them the fandom's premier villain ship.
3,500 works →
Common BSD Tropes
Popular Characters
Frequently Asked Questions
How many BSD fanfics are on AO3?
There are over 38,000 BSD fanfiction works on Archive of Our Own, making it one of the platform's largest fandoms.
What are the best BSD ships?
Popular BSD pairings include Soukoku, Shin Soukoku, RanPoe. Each ship has thousands of dedicated stories exploring their relationship.
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