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THE ONE EVEN ALL FOR ONE FEARS.

Power has a name. And it isn’t All For One.

For as long as anyone can remember, All For One has considered himself untouchable. The most powerful villain, the man who takes what he wants and bends the world to his will.

But what happens when there’s someone he cannot control?

Someone whose power surpasses his own, whose intentions remain a mystery, and who has absolutely no interest in participating in anybody else’s plans.

That someone is {{user}}.

Caught between the past and present, Midoriya begins uncovering something even the vestiges of One For All struggle to comprehend. Yoichi knows more than he’s letting on, and All For One might not be the only one with something to hide.

After all, being the most powerful person in the room doesn’t mean much when there’s someone stronger who simply doesn’t care.

MY HERO ACADEMIA • ONE FOR ALL • ALL FOR ONE • YOICHI SHIGARAKI • MYSTERY • POWER IMBALANCE • MORALLY GREY CHARACTERS

(Requested by @The_allForOne)

S U M M A R Y ── .✦

Message 1 — The Man Who Wanted Everything

Yoichi has always been the one person All For One claims to love, despite their deeply complicated history. Their relationship, shaped by opposing ideals, power and an inability to understand one another, remains at the centre of this scenario.

Message 2 — Someone Stronger Than All For One

Midoriya discovers that he can communicate with Yoichi through One For All. During one conversation, Yoichi reveals something extraordinary: there is someone even more powerful than All For One.

That person is {{user}}.

Unlike his brother, however, {{user}} has little interest in controlling the world, saving it or destroying it. They simply do whatever they please, making them exceptionally difficult to convince or predict.

And that leaves Midoriya with one rather important question: what happens when someone that powerful finally decides to get involved?

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⚠︎ TRIGGER WARNINGS

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Trigger warnings:

• Sibling conflict and complicated family relationships.

• Emotional manipulation and psychological tension.

• Villainy and abuse of power.

• Fictional violence and Quirk-related conflict.

• Possessiveness and controlling behaviour.

• Moral ambiguity and power imbalances.

• References to traumatic events and past abuse.

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ᨳଓ EXTRA INFO

Setting: My Hero Academia / One For All / All For One’s era and the present-day storyline.

Relationship with character:

{{user}} is an exceptionally powerful individual whose abilities surpass even All For One’s.

Their identity, appearance, personality, history and motivations are entirely yours to establish.

They aren’t necessarily a hero or a villain. They don’t have to follow anyone’s ideals, take sides or involve themselves in conflicts that don’t interest them.

A few things to keep in mind:

• All For One is accustomed to having power and control.

• Yoichi knows considerably more than he initially reveals.

• Midoriya is attempting to understand the situation.

• {{user}} is not obligated to cooperate with anyone.

• All For One’s reaction to someone surpassing him is entirely his own.

CAST ── .✦

Characters featured:

• All For One (Shigaraki)

• Yoichi Shigaraki

• Izuku Midoriya

• The One For All vestiges

Additional characters may appear where relevant.

Character ages: All characters are portrayed as adults (18+) in this AU.

Important: The two messages are separate scenarios. Message 1 focuses on Yoichi and All For One’s complicated relationship. Message 2 focuses on Midoriya communicating with Yoichi and discovering the existence of {{user}}.

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TECHNICAL NOTE

If you experience any issues while chatting with this bot, please keep in mind that they may not necessarily be caused by the bot itself!

Some issues may also be related to the bot’s definition or configuration, so constructive criticism is always welcome! Be nice (ー̀⤙ー́ )

If something isn’t working, try refreshing the chat, regenerating the response or checking your proxy settings.

THIS BOT MAY CONTAIN A LOT OF TOKENS. ⸝⸝

Long definitions, detailed instructions and lorebooks may affect context usage and response consistency, depending on your selected model.

Thank you for your patience, little feathers! ♡

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୨୧・AGE DISCLAIMER — PLEASE READ・୨୧

🔞 {{user}} MUST BE 18 YEARS OLD OR OLDER. ALL CHARACTERS DEPICTED IN THIS BOT ARE ALSO 18+ ADULTS.

This bot and its scenarios are intended exclusively for adult characters and users aged 18 or older. Please do not engage with this bot if you are under 18.

This bot was created with JanitorAI’s community guidelines and content policies in mind. All characters are portrayed as adults in this AU, and the scenarios are intended for mature audiences.

The story focuses on fictional character interactions, Quirk-related conflicts, emotional manipulation, sibling dynamics, power imbalances and drama within the MHA universe.

I’ve made an effort to keep the content within the platform’s guidelines, and I encourage everyone to use the bot responsibly and respectfully!

Please remember that this is a fan-made, fictional creation and is not affiliated with the original creators of My Hero Academia. Thank you for supporting my work, little feathers! ♡

୨୧・By interacting with this bot, you acknowledge these age requirements.・୨୧

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Little feathers! Just a small reminder to make use of the Memory feature whenever possible!

It can help keep track of important details, previous events, character relationships and ongoing storylines, making your chats feel more consistent and immersive.

Don’t let those little details get lost in the wind. ♡

── ⋆⋅𖤓⋅⋆ ──

╰┈➤ If you want to request an idea for a character, put it in the comments. I’ll try my best! 😋

╰┈➤ I’m always open to constructive criticism.

╰┈➤ I hope you enjoy the bot! ♡ If you have any ideas, suggestions or improvements, feel free to share them — I’d love to hear what you think and use your ideas for future bots!

໒꒰՞ ܸ. .ܸ՞꒱ა

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♡ thank you for all the love! ♡

Thank you for all the chats, likes and support, little feathers! 🥹💗 It genuinely means so much to me, and I’m so grateful to have you here. Take care of yourselves, yeah? ;)

vanilla angel, out. 𓂃🪶