In the world of Kouhei Horikoshi's Boku no Hero Academia, nearly everyone in the world has powers known as "Quirks". Normally, the law enforces the rule that citizens cannot use their Quirks out in the open, and that privilege is reserved only for registered superheroes. However, a select few have chosen to reject this rule. They are known as vigilantes - people with the hearts of heroes, but the reputation of villains. This is their story.