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Under Forced Oath by iiasterflower
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
23 Aug 2025
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Summary
In the depths of a vault, a boy and his guardian fight to hold on to the last fragments of their lives.
Izuku Midoriya, torn from his home and forcibly molded by his father, All For One, lives under the weight of broken promises and silent terrors. Until the guardian arrives who will protect him and continue to hold him captive.
Shouta Aizawa, captured by villains and forced to follow orders without will, is locked away with an nine-year-old kid, given a single mission: protect him and never let him escape.
But in the midst of their confinement, what began as an imposed order will transform into a bond impossible to break — something even All For One won't be able to control.
Or
Forced to obey All For One's command, Aizawa is placed in a vault to protect and prevent any escape attempt by the son of the symbol of evil, Izuku. Unwittingly, protecting him will become something far greater than a simple order.