Since all the previous users of OFA were able to use each other's quirks
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One spicy mistake by DARK8DRAGON
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
20 Oct 2024
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Summary
Izuku is tired after a long training session and all he wants to do is eat and maybe take a nap.
Unfortunately, the world decides to fuck him over and after a prank gone wrong from Bakugou, En ends up in control of his body.
But it's okay, the vestiges have known him for more than a year now, En can pretend to be him for a day or two right? Right??Contains:
Cool potential quirks originating in one for all
Panicked En
En turning the vestiges into villains (not really, he's just messing with the cops)
En lying directly to Tsukauchi's face without the latter even realizing it
And morePartially inspired by this Tumblr post:
https://www. /ineffable24/747530294943531008/ofa-users-cooking?source=shareSeries
- Part 1 of MHA stories (outside my main AU)
- Part 1 of The possession trilogy
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Trial and error; proposing a theory by DARK8DRAGON
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
17 Jun 2025
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Summary
Now that Izuku finally got his body back, he had questions.
Most people would treat the aftermath of a surprise possession as a time to relax, and Izuku did, too, for about twelve hours.
And it wasn't as though he didn't want to relax and take it easy; it's just that the quirk analyst in him wouldn't let him rest until he found out the answer to the question; Why didn't erasure expel En from his body before? And what other quirks couldn't effect One for All when possessed? How far could they all go with testing the limits of One for All?
He had to know.Series
- Part 2 of The possession trilogy
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Erasure experiment subject 1: Gearshift by DARK8DRAGON
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
19 Jun 2025
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Summary
Kudou is the first of the vestiges to possess Izuku for the sake of this experiment.
He has to go to school, interact with students and overall be a stand in for the ninth until it's time for Class 1-A's training exercise, where he'll hopefully be able to get Eraserhead to use his quirk on him in order to test their theory.
Contains:
Bruce and Kudou lowkey flirting.
Kudou seeing Uraraka's potential.
Black whip being a sentient quirk with the mentality of a little child.
Potential for quirks within One for All.
Kudou calling Yoichi hot.
And more.Series
- Part 3 of The possession trilogy
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Erasure experiment subject 2: Fa-Jin by DARK8DRAGON
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
20 Jun 2025
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Summary
It's now Bruce's turn to possess Izuku and test their theory.
However, what happens when his first attempt at provoking Eraserhead doesn't work?
What will happen when the vestiges decide to keep him in Izuku's body for longer than planned?
And what will his extended stay in the kid's body result in, now that they've actively decided to check how far the incomplete vessel could go to accommodate them?Contains:
Bruce learning of the wonders and struggles of curly hair (brought to you by a curly head coming from a family of curly heads who all have a designated barber).
Bruce being a computers person and tweaking with gadgets.
Foreshadowing to En and Nana's perceived relationship by outsiders from back when they were alive.
And more.Series
- Part 4 of The possession trilogy
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Erasure experiment subject 3: Danger sense by DARK8DRAGON
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
25 Jun 2025
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Summary
After two months of waiting and passing winter break, the vestiges were willing to give the experiment another shot.
With several more rules and safeguards, as well as other precautions put in place; it was time for Hikage to possess Izuku.
Hopefully they'll find a way to actually test Danger sense, as people didn't usually attack when their quirks were already erased.
Edit: rewrote that one chapter I didn't really like.
Series
- Part 5 of The possession trilogy
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Erasure experiment — indirect — subject 4: Black whip by DARK8DRAGON
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
04 Jul 2025
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Summary
All-Might has been possessed by a villain.
No one knows how, and only few know when, but everyone present know one thing for sure; this fight isn't over yet, and for once, it's the Symbol of Peace who needs to be saved.
But is that really the case? Is the strongest hero alive really in danger? Or is that just what others are meant to believe, in order to preserve the safety and security of a secret only two living and seven dead have been permitted to know?
Or:
Banjo possessed Toshinori in order to finish a fight.
Now the heroes think he's a villain, and he has to deal with the consequences of that outcome.Series
- Part 6 of The possession trilogy
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No longer an experiment: Float by DARK8DRAGON
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
19 Jul 2025
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Summary
With finals season coming up and the kid's first school year coming to an end, the erasure experiment has been officially put on hold until further notice, in favor of the kid focusing on school and his internship.
However, things become complicated when ninth falls sick again; One for All having decided that now was the best time to finalize the adjustments to its new vessel.
Faced with the possibility of expulsion due to previous sickness keeping the kid away from class; the vestiges decide to possess him in hopes of delaying the inevitable climax of One for All's modifications long enough for him to get through the last exam period of the year.
They only have three months until summer break; hopefully they're able to keep the kid's body awake for long enough to at least get through one.
{Changed the summary, because I couldn't decide; original one is in the notes of the first chapter}
Trigger warning: Izuku is vomiting literal bones and organs in this one, so please do take the body horror tag seriously.
Series
- Part 7 of The possession trilogy
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A collection of past tales by DARK8DRAGON
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
25 Aug 2025
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Summary
A collection of one shots taking place before and some a little during the 𝘗𝘰𝘴𝘴𝘦𝘴𝘴𝘪𝘰𝘯 𝘵𝘳𝘪𝘭𝘰𝘨𝘺 series, all in chronological order, expanding upon concepts such as how did Izuku get One for All in this AU? How the development of One for All in this universe compares to canon, and so much more.
Contains:
A piece of the original 𝘖𝘯𝘦 𝘴𝘱𝘪𝘤𝘺 𝘮𝘪𝘴𝘵𝘢𝘬𝘦 draft that I've now decided was canon, and is an expansion on what happened during the investigation.
The vestiges designing Izuku's hero suit together.
An existential crisis.
And more.Also note that I did write some chapters before others, so if it feels like the information is a little repetitive, I suggest you just keep reading; I emitted what I could, but most of these scenes, additions, and repetitive callbacks are essential for understanding the story of these chapters.
Series
- Part 8 of The possession trilogy
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Plunder & Paste by DARK8DRAGON
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
27 Aug 2025
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Summary
Izuku has been officially released from the hospital, with new organs, bones, eyes, and even skin, yet surprisingly, his new quirk has yet to come out.
He manages to get the doctors to let him leave early, unaware of the consequences that his new quirk's manifestation will have, on more than just himself.
Series
- Part 9 of The possession trilogy