Deku keeps others out of harm's way through his work in U.A. High's Hero Course, while Koichi guards the streets from danger as a vigilante hero, but at the end of the day, their objective is ...

Deku soon found himself with super strength that allowed him to join UA High to learn how to become a professional hero. Knuckleduster is a vigilante clad in black attire and a black headband.

For various reasons, there are just certain things that Koichi can do that Deku can't in My Hero Academia: Vigilantes.