16 Bookmarks by Bloommed
List of Bookmarks
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The shadow over Hogwarts by Veronixxxxxxxxx
Fandoms: 文豪ストレイドッグス | Bungou Stray Dogs, Harry Potter - J. K. Rowling
30 Aug 2026
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Summary
Osamu Dazai, the demonic prodigy of the Port Mafia, receives an impossible assignment from Ogai Mori: to enter Hogwarts as a fifth-year under the guise of a Muggle-born wizard and become a shadow in the magical world. His task is to penetrate the very heart of the approaching war, gather information on the Death Eaters, and possibly forge an alliance with the Dark Lord... or destroy him.
But Hogwarts is not Yokohama. Here intrigues are woven not only in the dungeons of Slytherin, but in the most unexpected places, where enemies may hide. Between Potions lessons with Professor Snape, who suspects something, clashes with Draco Malfoy, and a dangerous friendship with the Golden Trio, Dazai begins to understand that the magical world holds not only danger, but also something far more perilous.
While Mori weaves a web of alliances with the Death Eaters and Fyodor Dostoevsky watches from the shadows, Dazai balances on the edge between carrying out his mission and preserving his own humanity. For the longer he plays the role of an ordinary student, the harder it becomes to remember where the mask ends and he himself begins.
- Language:
- English
- Words:
- 121,435
- Chapters:
- 28/?
- Comments:
- 768
- Kudos:
- 1,521
- Bookmarks:
- 199
- Hits:
- 37,672
Bookmarked by Bloommed
03 Nov 2025
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Summary
Being a girl in the mafia changes everything for Dazai.
This is a cautionary tale.
Series
- Part 1 of Queendom
- Language:
- English
- Words:
- 109,166
- Chapters:
- 31/?
- Collections:
- 3
- Comments:
- 551
- Kudos:
- 3,039
- Bookmarks:
- 497
- Hits:
- 95,691
Bookmarked by Bloommed
28 Nov 2024
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The Demons Secret(BSD x MHA by Haza_YT123
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga), 文豪ストレイドッグス | Bungou Stray Dogs
06 Jan 2026
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Summary
Shouta Aizawa after having an affair with his girlfriend, became single. He's stayed like that ever since but his girlfriend was pregnant and gave him the child. Aizawas always been fond of children so he raised the child up and named his Osamu Aizawa. But one day his son went missing, he was devastated and went into deep depression hinting some of the bags under his eyes. He became a teacher at UA when a mysterious boy is found roaming the streets alone, he says his name is Dazai. He won't mention his first name but told aizawa it was his last name. Aizawa suspects something of this boy but let's it slide, the boy banters about wanting to be a student at UA and when the time comes passes the entrance exam though sadly only makes it to the general studies course. This Dazai though is the one and only Demon prodigy from the port mafia of the city yokahama, that closed itself off from Japan years ago in a Great War when quirks appeared.
Bookmarked by Bloommed
14 Aug 2024
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I don't smoke by Tinfoilhats
Fandoms: 文豪ストレイドッグス | Bungou Stray Dogs, 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
17 Jul 2026
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Summary
“You will both be undertaking long term stealth missions elsewhere, but you won’t be operating together for the most part. Dazai, you’ve heard of UA high school right?”
“Of course I have, it’s like the most popular hero school in Japan or something. And now you’re going to tell me I have to live my dreams and become a hero," Dazai jokes.
The older man makes not a single sound, and Dazai turns to look at him, straight in the eyes. The corners of his mouth turn downwards instinctively.
“Wait. You’re serious? Ah, I might really have to jump off that bridge, after all,” He says airily, but he’s already planning out which bridge will be his best bet.
Mori sighs exasperatedly, “Dazai, you will be infiltrating UA high school and posing as a student there. You’ve already got experience in stealth training, but it will be a shame to let such a valuable executive go..”
-------------Dazai and Chuuya are sent on missions to infiltrate opposite sides of two parties that Mori has deemed a threat to the mafia, and to simply gather information from both sides. Is there more to this assignment than what they were informed of?
Spanish translation linked!
Series
- Part 1 of I don't smoke (and related works)
- Language:
- English
- Words:
- 200,358
- Chapters:
- 60/?
- Collections:
- 1
- Comments:
- 2,268
- Kudos:
- 7,520
- Bookmarks:
- 976
- Hits:
- 250,709
Bookmarked by Bloommed
05 Aug 2024
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Sunshine and Bastards by cakezai
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga), 文豪ストレイドッグス | Bungou Stray Dogs
09 Jul 2025
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Summary
They say you should surround yourself with people who remind you of the sun, of happiness and comfort, which is the exact opposite of what Osamu Dazai did.
* PS This does take place after the dragon head incident. for this instead of Stormbringer/dragonshead taking place a year after 15 it's closer to 6 months. (meaning Dazai is 15 at the start of this story)
Series
- Part 1 of Sunshine And Bastards
- Language:
- English
- Words:
- 138,803
- Chapters:
- 25/32
- Collections:
- 1
- Comments:
- 410
- Kudos:
- 1,327
- Bookmarks:
- 193
- Hits:
- 43,610
Bookmarked by Bloommed
10 Jul 2024
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Idiosyncracy by little_coffins
Fandoms: 文豪ストレイドッグス | Bungou Stray Dogs, The Punisher (TV 2017), Daredevil (TV), Jessica Jones (TV), Spider-Man (Tom Holland Movies), Deadpool - All Media Types, Iron Fist (TV), X-Men - All Media Types
29 Jun 2024
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Summary
New York City has a vast array of vigilantes and superheroes that call its streets home. Dazai Osamu, Port Mafia Executive and Mori Ougai’s right hand, is deployed to start building relationships in the area. Mori, ever the fan of tests, leaves Dazai to figure out how to best handle the local vigilantes on his own.
And Frank Castle? He’s just worried that keeping this kid who refuses to identify himself alive may be more difficult than he was hoping.
Or; a city-wide adventure, hotel hopping, forging friendships with local heroes and a long-winded game of cat and mouse, all featuring an embittered Veteran and a suicidal teenage boy.
EDIT: This fic is on temporary hiatus. I will finish the final 6 chapters, then return to the usual update schedule. Thank you for your patience.
Series
- Part 1 of Idiosyncracy
- Language:
- English
- Words:
- 138,752
- Chapters:
- 40/46
- Comments:
- 1,484
- Kudos:
- 6,259
- Bookmarks:
- 1,049
- Hits:
- 219,275
Bookmarked by Bloommed
03 Jul 2024
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I Would Walk Through Hell If It's With You by DarkestSpring (terriblyterrible)
Fandoms: 文豪ストレイドッグス | Bungou Stray Dogs, 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
22 Mar 2026
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Summary
"We're in Musutafu, Japan. And the year is 2257–”
“200 YEARS?!!” Chuuya shrieked, startling everyone on scene.
“Chuuya calm down, I can do basic maths, there’s no need to yell,” Dazai chided.
“CALM DOWN?! WE’RE THROWN 200 YEARS INTO THE FUTURE AND YOU WANT ME TO CALM DOWN?!”
---
Or, while on a mission, Dazai and Chuuya accidentally gets transported into the future where Heroes and Villains you see in cartoons are a reality. It doesn't help that they landed in one of the best Hero Schools and the only way to return is by pretending to be a young aspiring Hero.
- Language:
- English
- Words:
- 160,208
- Chapters:
- 24/?
- Comments:
- 1,486
- Kudos:
- 8,194
- Bookmarks:
- 1,436
- Hits:
- 216,210
Bookmarked by Bloommed
06 Feb 2024
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Quirks And Bandages by SmokiiTea
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga), 文豪ストレイドッグス | Bungou Stray Dogs
10 Apr 2025
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Summary
Dazai is being sent on a mission to UA. In a world where Yokohama is split off from the rest of Japan due to the secrecy of ability users Dazai must hide his true nature of his past and power. But while it's easy to hide from his fellow classmates and most of the pros a few problems arise. To name them Aizawa and Bakugo seem to have suspicions about him, both feelings for different reasons yet equally as dangerous.
But Oh well in the meantime this whole thing between All Might and Midoriya's quirks is interesting for now.
- Language:
- English
- Words:
- 127,344
- Chapters:
- 39/?
- Comments:
- 643
- Kudos:
- 3,171
- Bookmarks:
- 386
- Hits:
- 90,074
Bookmarked by Bloommed
01 Feb 2024
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Tags
Summary
High school AU where Dazai and Chuuya are paired for a science project and have to get along despite being extremely traumatised and very gay for each other.
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"So, you're Nakahara Chuuya," Dazai says, as Chuuya sits at the desk beside him. He's got this self-righteous air to him— like he's worked Chuuya out before he's even met him, "The ginger who picks fights with everyone and killed his best friend.”Chuuya leans back, "And you're Dazai. I'd say something snarky, but I have no idea who the fuck you are, since you're never here."
"Temper, temper. It's okay, little chihuahua, you don't need to bite my head off~"
Chuuya is struck silent, "Chihuahua," he manages.
"Because you're all cute and short and angry~"
“Cute?”
“I thought you’d be more upset by being called short,” Dazai’s head tilts, “It’s always such a sensitive subject.”
Bookmarked by Bloommed
22 Jan 2024
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The Sky is What We Leave Behind by CapriStar (OneDer)
Fandoms: 文豪ストレイドッグス | Bungou Stray Dogs, 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia
09 Mar 2024
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Summary
Dazai Osamu had taken down armies.
He had. Single handedly.
(Well, almost single handedly. But in this case, the other party in question was Chuuya, who was less like a helping hand and more like an appendix in that he was relatively useless and tended to explode at the most inconvenient moments).
—
In which Dazai and Chuuya infiltrate the UA High School for heroics, and it changes everything- most of all, them. To maintain one’s principles is the greatest privilege of all, and to forge a new mark on metal is to hammer and to burn.
- Language:
- English
- Words:
- 231,757
- Chapters:
- 31/31
- Collections:
- 6
- Comments:
- 976
- Kudos:
- 4,813
- Bookmarks:
- 864
- Hits:
- 213,953
Bookmarked by Bloommed
20 Dec 2023
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colourful sailors washed up on the shore by astraltrain
Fandoms: 文豪ストレイドッグス | Bungou Stray Dogs
13 Mar 2024
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Summary
"Hey," Albatross says, sitting up on his elbows without a care as to the rocks digging into his skin. "What's up with that kid?"
He nods in the direction of the person he's talking about, and they all glance over with the perfect synchronization of a group that loves drama and is often shittalking somebody else.
There's a lone kid, down by the water. They're dressed in a white button up with faint blue stripes, dark brown combat trousers tied to their waist with a large belt. Short, messily cut brown hair flutters around their face in the breeze, making it so that Chuuya can't see their face.
Interesting.
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Nakahara Chuuya is sixteen and desperate to enjoy one last fun summer with his friends while they're all still in Yokohama together. Everything in his plans, however, is completely thrown off when he finds a strange homeless kid with an eyepatch trying to drown himself at the beach. It gets even weirder when Chuuya offers him a night of shelter, because of course, nothing in his life can be anything but complicated.Bookmarked by Bloommed
18 Nov 2023
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You Met Me at a Very Strange Time in My Life by phanstarlight
Fandoms: 文豪ストレイドッグス | Bungou Stray Dogs
14 Jun 2024
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Summary
Nakahara-Verlaine Chuuya is the new kid at The Guild College, and to Yokohama in general. With The Flags cheering him on from back home, his first day of college should be a walk in the park.
That is until he ends up quite literally bumping into the campus playboy, Osamu Dazai.
★“Osamu Dazai…you have made an enemy out of me. You ruined my favorite sweater on my first day of college, asshole!” he practically spits the words out, before adding for good measure, “you’ll fucking regret the day you decided to make an enemy out of Nakahara-Verlaine Chuuya!”
- Language:
- English
- Words:
- 209,673
- Chapters:
- 40/?
- Comments:
- 240
- Kudos:
- 1,715
- Bookmarks:
- 174
- Hits:
- 55,524
Bookmarked by Bloommed
16 Nov 2023
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Two of a Kind by Bibliophile109
Fandoms: 文豪ストレイドッグス | Bungou Stray Dogs, 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia
18 Oct 2023
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Summary
“Don’t mind Shuji,” Shouta’s mother said once, when she spotted him staring at his cousin. “He’s never been normal, you know.”
Aizawa Shouta has no interest in his mother’s side of the family. Dazai Osamu tracks him down anyway.
Series
- Part 1 of Two’s Company
- Language:
- English
- Words:
- 38,348
- Chapters:
- 24/?
- Collections:
- 17
- Comments:
- 816
- Kudos:
- 5,448
- Bookmarks:
- 1,114
- Hits:
- 116,513
Bookmarked by Bloommed
31 Oct 2023
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daffodils are honest by bipretzels
Fandoms: 文豪ストレイドッグス | Bungou Stray Dogs, 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
01 Jul 2025
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Summary
This was what he hated about Dazai–he talked big, but when it came down to it, Chuuya was pretty sure he had no plan. He had decided to leave the mafia in a rush of anger and emotion, taking Chuuya right down with him, and now look where they had ended up–a shitty apartment in Musutafu, signed up to be unqualified bodyguards. It was an almost laughable situation, but this was life, this was Chuuya’s life, and he wasn’t sure what it would become anymore.
He hoped that was a good thing.
Or: Chuuya and Dazai both leave the Port Mafia together, and in order to get away from Mori they both get a job working as undercover bodyguards for Class 1-A at U.A. high school.
- Language:
- English
- Words:
- 203,907
- Chapters:
- 26/?
- Comments:
- 1,015
- Kudos:
- 4,779
- Bookmarks:
- 801
- Hits:
- 116,730
Bookmarked by Bloommed
29 Oct 2023
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Mafioso in Disguises (undercover heroes) - [Paused] by Charly_san
Fandoms: 文豪ストレイドッグス | Bungou Stray Dogs, 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
18 Aug 2023
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Summary
Chuuya was called to the boss's office, he learn that he's being sent outside Yokohama with two other mafia member : Dazai and Ranpo, the three of us will have to became undercover heroes in training to gather information for reasons they didn't know yet. Will they be able to stay under cover ? Will they kept their cool in this closed minded black and white world ? Who knows ? What we're sure, is that this mission will not be easy for them.
Bookmarked by Bloommed
29 Oct 2023
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Behind those eyes there’s a devil inside by dazamu (jisatsushion)
Fandoms: Original Work
01 Dec 2023
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Summary
Nakahara Chuuya is a 3rd year High School student who has a bad mouth and gets into fights with whatever asshole comes at him. His life is otherwise mundane, just waiting for the day he can finally move out and start a new life with new friends and a new reputation.
Until one day a new student Dazai Osamu shows up, completely changing his life’s trajectory.
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Highschool AU that leads to College AU, just an FYI
pls mind the tags
2024.01.06
Actively being edited! Sorry, i wrote this on my (broken) phone and never edited any of the chapters so I’ll be going back to fix them up.Not abandoned! Just haven’t gotten around to updating, but soon!
2024.02.23
edited chap 1/13 im gonna kms sorry it's taking 5 million years
removed tags and changed the fandom so it doesn't come up in searches but it's still bsd/tags will be updated when im done editing sozBookmarked by Bloommed
29 Oct 2023
Bookmarker's Notes
Chuuya learns he’s gay. Mori and DAZAI’S ex: fyodor are bitches. 3 years later, Chuuya and Dazai meet again. Chuuya is pissed.