“Seikai Fuseikai,” the OP theme song for the summer 2020 TV anime The Misfit of Demon King Academy, is performed by the three-member rock band CIVILIAN.
The TV anime The Misfit of Demon King Academy premiered in Japan on July 4, 2020, and is also available to Crunchyroll members in North America, Latin America (South and Central America, the Carribean including Mexico), AUS / NZ, UK/IR, and South Africa.
The anime’s official website has announced that the song’s another version featuring voice actor Tatsuhisa Suzuki as the main vocalist will be used in its next fourth episode.