D_Aza_i



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  1. Public Bookmark *

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    Summary

    While on duty, Pro hero Eraserhead (or better known as Aizawa to his friends and family) Runs into a scrawny teen in an alleyway. Aizawa’s sense of justice forces him to take the boy under his wing, unaware of his true nature as the Port Mafia’s own Demon Prodigy.

    Beta read by Arikaquo and Aoibb!

    Language:
    English
    Words:
    76,776
    Chapters:
    24/?
    Collections:
    1
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    15 Oct 2025

  2. Public Bookmark 33

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    In which, Dazai left the mafia at the ripe age of 18- travelling all the way to Gotham to hide from Mori and his dogs. Well, dogs that were once his own, too. ‘Attachments have no place in the mafia.’ But now, can he form those attachments? Can he open up his heart, black as the mafia, to these people who call themselves “family”? Can he, former port mafia executive Dazai Osamu, indulge in this fantasy?

    Language:
    English
    Words:
    3,011
    Chapters:
    2/?
    Comments:
    24
    Kudos:
    219
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    33
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    2,340

    24 Sep 2025

  3. Public Bookmark *

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    Dazai was an infection Class 1-A planned on keeping.
    Shuji was another child lost in the dark, looking for the light.
    The Demon Prodigy was a sheep in wolf's clothing.

    Japan is utterly and completely fucked.

    Language:
    English
    Words:
    37,397
    Chapters:
    15/80
    Comments:
    256
    Kudos:
    1,519
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    213
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    34,001

    05 Sep 2025

  4. Public Bookmark *

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    Shūji Aizawa was dead. Or, at least that’s what the police and his parents thought. Shota? Not so much. It never made sense to him. The note left on his nightstand didn’t seem to be written by him, but the blood on it.. it was all his.

    Just a few miles from their house, they found the same blood stains on the grass—it was his. It should make sense, right?

    8 years pass without a trace of his brother, and Shota just assumes him to be dead. He couldn’t be more wrong. Because, Dazai Osamu shows up in his life.

    Shūji Aizawa became Dazai Osamu when he was fourteen years old, working beneath the newly boss of the port mafia. He had left his family behind without another thought because he just couldn’t seem to die, and this doctor would help him. Right?

    When Dazai left the Port Mafia and joined the ADA, he buried the last of Shūji in a ditch, content to never dig it up again.

    But, when he and his partner, Kunikida, are given an assignment to infiltrate U.A. and work undercover as teachers, he’s forced to face the demons he tried so desperately to bury.

    Or, Kunizai become U.A. teachers & Dazai is Aizawa’s ‘dead’ brother! Ft. Yosano as RG’s assistant.

    Updates on mondays.

    Language:
    English
    Words:
    54,481
    Chapters:
    14/?
    Comments:
    350
    Kudos:
    1,115
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    208
    Hits:
    21,135

    29 Jun 2025

  5. Public Bookmark 28

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    Dazai took up the offer of getting away from his father the second it was proposed. Wanting to get away, he didn't care about the things that came with it. He figured he'd play house until he was bored and go off on his own again. That ending was scrapped when Dazai was unwillingly left a small child to take care of.

     

    or basically a hs dadzai fic since there aren't enough with atsushi and kyouka😼
    also kunizai

    Chapter 2-18 are in 1st person, the rest is in 3rd

    Language:
    English
    Words:
    51,983
    Chapters:
    25/27
    Comments:
    120
    Kudos:
    281
    Bookmarks:
    28
    Hits:
    5,811

    01 Mar 2025

    Bookmarker's Notes

    RAGHHHH IDK IF I BOOKMARKED THIS ALREADY BUT IM BOOKMARKING IT AGAIN

    NOTE TO SELF I JUST READ CHAPTER 24