After successfully passing his Provisional Hero License exam, Izuku “Deku” Midoriya seeks out an extracurricular internship with knowledgeable hero agency. At the advice of his mentor All Might, Midoriya lands an edge under All Might’s former sidekick, Sir Nighteye, now a famous hero in his title .
As Midoriya’s classmates further their own abilities through various internships, up-and-coming villain Kai Chisaki utilizes his terrifying powers to collect favor within the criminal underworld. Known by the moniker Overhaul, Chisaki’s ambitions hit the League of Villains and its leader, Tomura Shigaraki.
Through his work with Sir Nighteye, Midoriya discovers Chisaki’s syndicate and therefore the villain’s hostile relationship with a mysterious lass named Eri. Fearing for the child’s safety, Midoriya and his upperclassman Mirio Toogata must work together to place an end to Chisaki’s reign of terror.