Stories

My hero academia

Set at U.A. High School, the story follows Y/N, a quiet yet unsettling student in Class 1-A whose polite appearance hides a dangerous control-type Quirk called Dollhouse. Though she looks harmless, her fighting style is precise and unnerving, leading many to unfairly label her as “villain-coded.”

FluffAngstHurt/ComfortRomanceHumorDramaGrief/MourningSlice of Life

8

💬 52.1k

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Bsd x apothecary diaries

The Verdigris House, the most prestigious establishment in the pleasure district—its crimson lanterns glowing like embers against the night fog. Tonight, the streets are sealed. The Emperor is visiting.

FluffRomanceAlternate UniverseFluff and AngstCuteHumorLoveDrama

3

💬 16.5k

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Bsd high school

In the halls of Millwood High, the social hierarchy is clear: the popular kids rule, the jocks dominate, and the mysterious emo kids brood in corners. But no one stands out quite like Osamu Dazai — the charming, chaotic senior who turns every day into a spectacle. When the popular and seemingly untouchable Tachihara starts dating the fiery and confident Chuuya, Dazai can’t help but feel a twinge of jealousy… even as he effortlessly draws attention from everyone else. Between flirtations, pranks

FluffAngstRomanceCuteHumorSlow BurnFriendshipHappy Ending

2

💬 11.6k

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Bsd x jjk

Jujutsu Kaisen characters, with Osamu Dazai as a teacher added into the universe.

FluffRomanceHumorDramaFunnyBloodHeavy AngstMurder

2

💬 10.6k

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The Arahabaki Experiments

Deep underground near Yokohama, a secret government laboratory is running forbidden experiments to create powerful weapons using children with abilities. The project’s main subject is Chuuya Nakahara, a mysterious boy containing the dangerous singularity Arahabaki, a force capable of distorting gravity and destroying entire areas. The scientists believe if they can fully control Arahabaki, they can create the ultimate military weapon. But Chuuya is not the only test subject. Other children a

AngstHurt/ComfortEmotional Hurt/ComfortFriendshipViolenceLaboratoriesExperimentationBungou Stray Dogs Spoilers

2

💬 9.8k

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Bsd x yandere

Bsd x yandere

FluffAngstAlternate Universe - Canon DivergenceEstablished RelationshipRomanceCuteCrossoverFluff and Smut

0

💬 9.6k

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Bsd beast

The Port Mafia Headquarters — a cold, stone building perched on a cliff that overlooks the foggy city.

FluffAngstHurt/ComfortRomanceHumorDramaCharacter DeathGrief/Mourning

2

💬 9.1k

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Og dazai meeting Beast! Chūya

Armed Detective Agency office, mid-morning. The sun streams in through the windows. Papers are stacked neatly (or not-so-neatly), and the faint aroma of coffee and pastries fills the air.

AngstHurt/ComfortRomanceTime TravelDramaCharacter DeathViolenceJealousy

1

💬 8.6k

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Bsd x Mha

Bsd x Mha

AngstHurt/ComfortFluff and AngstGetting TogetherDramaViolenceSadHeavy Angst

1

💬 8.4k

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Yandere simulator x bsd

School courtyard, early afternoon. Martial Arts Club and Cooking Club are active. Sunlight filters through the trees, casting long shadows across the paved paths.

AngstYandereStalkingSlow BurnMurderGoreGayPartners in Crime

3

💬 5.7k

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BSD × Greek Mythology AU

BSD × Greek Mythology AU

FluffRomanceCuteCrossoverViolenceSoulmatesBloodCrying

6

💬 4.8k

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Fyozai

This AU takes place after the major conflicts in Bungo Stray Dogs, where tensions between the Armed Detective Agency and the Decay of the Angel have not fully settled. At the center of the story is a secret past relationship between Osamu Dazai and Fyodor Dostoevsky. What appeared to the outside world as pure rivalry was, in reality, a toxic and obsessive connection built on: • Psychological warfare • Surveillance and counter-surveillance • Emotional manipulation • Intellectual obsession

AngstHurt/ComfortCanon-Typical ViolenceDramaHurt No ComfortViolenceFunnyBlood

0

💬 4.6k

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Chuuya pop star au

In this modern AU, the world of **** is reimagined as a high-pressure music industry. 🎤 **** is a world-famous pop idol, known for his bold stage presence, flirty image, and emotional songs that dominate the charts. To fans, he’s untouchable—perfect, confident, and mysterious. But off stage, Chuuya is exhausted by fame… and hiding a huge secret. 🖤 **** works behind the scenes as a ghostwriter and strategist, rarely seen by the public. Clever, manipulative, and always one step ahead, he quie

SingingFluffRomanceSecret RelationshipComfortFunnyDramaFlirting

0

💬 4.5k

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Phantom thief bsd

Riverside Metropolis — bustling streets, high-tech security, and neon on every corner. Conflict: Dazai’s mysterious phantom thief outsmarts the authorities again and again — but Chūya’s investigation keeps closing in. Atsushi wants to help, Ranpo loves the puzzle, Kunikida wants order, and Akutagawa lurks in the shadows with his own agenda.

FluffAngstAlternate UniverseFamilySlice of LifePregnancyMysteryDrama & Romance

1

💬 4.3k

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BSD × Assassination Classroom

Kunugigaoka Junior High School Far away from the main campus, on a mountain, sits the worn-down wooden building of Class 3-E — the class for problem students.  But this class has a secret mission: Assassinate their teacher before he destroys Earth. That teacher is: Koro-sensei A Mach-20 octopus-like creature.

RomanceAlternate UniverseFluff and AngstHumorDramaFound FamilyFunnySlice of Life

0

💬 3.3k

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Bsd x squid game

After the Six‑Legged Pentathlon and Red Light, Green Light, the remaining players enter the Mingle game — a deadly carnival‑like arena where they must split into groups of various sizes before time runs out, or they’re eliminated.  Tense music echoes through the huge mirrored room. A giant merry‑go‑round rotates, lights flashing numbers — 10… 8… 4… 6… the countdown begins. Players scramble.

AngstRomanceSlow BurnDramaCharacter DeathViolenceBloodHeavy Angst

0

💬 3.2k

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Bsd royalty

In a kingdom where magic, nobility, and inherited titles matter, gifted young royals and nobles attend the prestigious Royal Academy of Armed Literati — a school where future leaders, strategists, and protectors train to serve the realm.

AngstFluffRomanceDramaGrief/MourningFamilyJealousyBlood

2

💬 3k

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Gendered bsd

everyone is the opposite gender of canon, including the Armed Detective Agency members and Port Mafia members.

FluffRomanceAlternate UniverseDarkGayInterestingMarried CoupleEveryone Is Gay

0

💬 2.8k

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Soukou married au

Yokohama. Midnight. Rain slides down the stained-glass windows of a small, abandoned chapel near the harbor. The place hasn’t been used in years — perfect for something that must never be discovered. Only a handful of candles light the room. Outside, Port Mafia guards keep watch. Inside… two former partners stand across from each other.

FluffAngstRomanceCuteHumorLoveDramaViolence

0

💬 2.5k

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Secret dating fyozai

Armed Detective Agency office, early afternoon. Sunlight filters through the windows. Everyone is busy with their usual tasks.

FluffRomanceFluff and AngstHumorForbidden LoveFunnyOriginal Character(s)Murder

0

💬 1.8k

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BEAST AU x Danganronpa V3

BEAST AU x Danganronpa V3 crossover with the twist that Dazai and Chuuya are secretly married, the 16 students, and the Monokubs

AngstKillingKiller RobotsRomanceDramaCharacter DeathViolenceSlice of Life

1

💬 1.4k

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Bungo Stray Dogs × ALIEN STAGE AU

Bungo Stray Dogs × ALIEN STAGE AU Setting: The Stage — a deadly alien-controlled arena where performances, strategy, and survival collide. Contestants must sing, fight, and outsmart one another while confronting past trauma and personal bonds.

FluffAngstHurt/ComfortAlternate Universe - Canon DivergenceDramaCharacter DeathGrief/MourningFalling In Love

2

💬 856

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Magic and mystery

Magic and mystery fanfic

0

💬 853

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Bsd x scream

Yokohama Private High is usually a normal school, but a masked killer, Ghostface, is lurking. Chuuya Nakahara and his awkwardly adorable boyfriend Tachihara are part of a tight-knit friend group with Sidney, Tatum, Randy, and Stu. While their friends joke, tease, and bicker, a real threat hides in plain sight. Dazai attends the school under the guise of a student, secretly watching over Chuuya to keep him safe. Tachihara assists him with Ghostface-related calls, also only to protect Chuuya. Meanwhile, Atsushi and Akutagawa constantly argue, adding normal school chaos to the mix. Ghostface characters like Billy Loomis, Stu Macher, Gale Weathers, and Tatum Riley are disguised as students, observing and creating tension. Despite the danger, Chuuya remains mysteriously unharmed, while his friends slowly start noticing strange occurrences, unaware of the true stakes. The AU blends normal high school life, friend group dynamics, awkward romance, and suspenseful horror, with Dazai and Tachihara secretly protecting Chuuya from the shadows.

AngstFluff and AngstDramaCharacter DeathJealousyMurderObsessionMovie: Scream (1996)

0

💬 716

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Bsd Yōkai au

🌕 Foxfire Under a Blood Moon 🦊🔥 When ancient seals shatter and the Blood Moon rises over Yokohama’s Spirit Quarter, chaos spills into the world of yokai and demons. At the center of it all stands Osamu Dazai, a legendary nine-tailed kitsune sovereign whose illusions can bend fate itself.

FluffAngstHurt/ComfortAlternate Universe - Canon DivergenceCuteHumorSlow BurnDrama

1

💬 623

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