In the alternate universe set in an RPG world, the students of Kunugigaoka Junior High School are heroes under training and students of Class 3-E are those with bug, making them weaker than other heroes. They ae tasked a defeat Koro-sensei, a Demon King who intentionally teaches them so they can defeat him one day.
as Koro-sensei (Main Character)
as Nagisa Shiota (Main Character)
as Karma Akabane
as Yuma Isogai
as Irina Jelavic
as Yukiko Kanzaki
as Tadaom Karasuma
as Megu Kataoka
as Kaede Kayano
as Hiroto Maehara
as Rio Nakamura
as Manami Okuda
as Ritsu
as Kotaro Takebayashi
as Ryoma Terasaka