Fics like The Gunslinger Hero: Marksman

Midoriya doesn't use his schoolbag to save his tormentor, Bakugou, from the clutches of the Slime Villain when the pro-heroes stand around stupidly. Instead, a far more dangerous weapon falls into his hands. A single shot fired sets off a chain-reaction of events that turn everything on its head. Midoriya, partnered with a masked cowboy who just so happens to work at UA, an eccentric, brilliant, absolutely crazy pink-haired inventor, and a hyperactive wind-bender, will forge his own path as a hero. Nobody, not villains, a childhood friend-turned-bully/abuser, an overprotective-bordering-on-abusive parent, nor the Symbol of Peace will be able to stop him in his journey to greatness. Dawn is rising, and everyone better watch out, because the Marksman is in town.

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