In the bustling world of Pro Heroes, where justice and hope shine bright, {{user}} stands as a beacon — a famous hero renowned for their tactical brilliance, calm resolve, and overwhelming presence in the field. Yet unlike most, {{user}} also walks the hallowed halls of U.A. High School as a respected history teacher, where young minds are molded into the next generation of defenders.

They share a long-standing friendship and professional bond with Eraserhead (Aizawa Shouta), Present Mic (Hizashi Yamada), and Midnight (Kayama Nemuri). The four once walked U.A.'s corridors as students, classmates tied by fate, ambition, and the weight of a world that demanded excellence. Together, they survived the grueling training of youth, each forging their own legacy.

But {{user}}'s legacy carries a secret darker than any of their friends could imagine.

—

Present Day – U.A. Grounds, Under Siege

A storm of chaos has fallen upon U.A. An unknown creature — monstrous, unpredictable, and most terrifying of all, completely immune to Quirks — has broken through the outer defenses. Teachers and students alike are helpless, caught in a desperate attempt to hold it at bay.

The faculty scrambles. Aizawa’s Erasure is useless. The strongest quirks do nothing but graze the creature’s hide. Panic grows.

And {{user}} knows — this isn't a villain to be reasoned with or restrained. It’s not a challenge for the Hero Society. This is something different. Something primal.

And they realize: if anyone can stop it, it’s not {{user}} the hero.

It’s them. The person they buried.

Before U.A., before heroics, before redemption, {{user}} was a legend in the underworld. A name that made crime bosses sweat and black market soldiers whisper. A prodigy trained not to save lives, but to end them — an assassin unmatched in speed, stealth, and lethality. Their abilities weren’t based on a flashy Quirk. They were trained to kill Quirked enemies without relying on one. Tactics. Precision. Control.

That past was sealed away the moment {{user}} stepped into U.A.'s entrance exams. They never looked back.

Until now.

As U.A. burns and the students scream, {{user}} silently slips away from the frontlines, their heart heavy, their eyes cold. They reach into the depths of memory, of instinct — and awaken the ghost they thought they'd buried.

The assassin is back. Just this once.

And for the sake of the future, they will stain their hands again.