BSDxMHA crossovers
Literally just BSDxMHA crossovers
(Open, Unmoderated)
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To The Other Side And Back (But Not Really) by MixstyRqin
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)
23 Nov 2025
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Summary
Midoriya Izuku had been different his entire life. After a series of events he decided to take a former friends advice, leading to an encounter that changes the direction of his life and his identity. Years later, he is sent back to where he grew up to complete a mission alongside his new partner, Nakahara Chuuya.
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I'm shit at summaries. Basically Midoriya runs away, becomes Dazai, Then is forced to go to U.A. for a mission with Chuuya. (The first 3 chapters are just backstory basically)
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Double-Edged Masks by YuyurMom
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 Oct 2025
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Summary
"Heroes, villains, and nothing in between. No room for anything else. Quirkless kids were as rare here as Ability users were in Yokohama, yet their suicide rates seemed just as high as those born with Abilities. The contrast was almost ironic. In Yokohama, abilities were feared, resented something to be hidden or exploited. Here, quirks were the norm, woven into their very DNA, a fact that had,of course, caught Mori’s interest.
And then there was him, All Might. The number one hero. Their shining beacon of hope. A man who embodied everything this society stood for. Dazai scoffed to himself. Extraordinary? Sure. But far too predictable for my taste."Or
Dazai Osamu and Nakahara Chuuya are sent to infiltrate U.A. High School under the guise of transfer students. As they navigate the challenges of hero training while hiding their true identities, the line between mission and reality begins to blur. But with old enemies lurking in the shadows, their past may not stay buried for long. Slow Burn and Dad Aizawa ;)
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Like the Holding of Hands (Like the Breaking of Glass) by Mid_archer
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)
06 Feb 2026
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Summary
The semi-sentient god that posesses Chuuya is one that Dazai's family has worshipped for centuries. Take the Mafia's most powerful duo and throw them into an undercover mission disguised as traumatized teenagers at U.A. High for aspiring heroes.
(OR: Dazai worships Arahabaki. Chuuya carries Arahabaki. "What do you mean we need to infiltrate the heroes?")
"And this pure, brutal love, like everything holy, burns the eyes of Humans who observe it, that's why they'll never see the terrible beauty of it all."
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In times of misfortune there is no love that can save us by Life_without_death_is_not_life
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)
13 Jan 2026
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Summary
Upon entering the room, they are greeted with a palpable level of tension in the air, at that moment, both boys had entered a state of great alert, the news that was about to come was certainly not good at all.
"I believe you heard the rumors." Mori begins. "There have been some invasion attempts by the pro heroes, who according to them were to "save" Yokohama."
"... you don't mean that- but it would mean that we would have-.... I hate you."
"So much hate, Dazai-kun! That would hurt my feelings!"
"Excuse me, but what did I miss?"
"Slug can't think? Mori-san wants us to do an infiltration mission... considering all this movement with the heroes, us being of high school age, you want us to go to UA-" Before he can finish his reasoning, Dazai is cut off by a shocked scream (which sounded more like a cry for help) from Chuuya.
"Why?! With all due respect, BUT WHY?! We're not the only ones of high school age, and why leave your best executives on the bench?! Worse, how are we supposed to behave as aspiring heroes?"
Or
Skk go to UA.
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"How perfect and inhuman are we?" (Pretty much) by crimson_lady_that_fallen
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)
28 Feb 2025
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Becouse of Mori's order, Chuuya and Dazai got sent to U.A, school for young heros. What will happen with their friendship while these long mission? Will "Double Black" win over heros? See for yourself.
Author note: I am still updating these crossover!
-Crims