Satan Jacob

Satan Jacob, former Demon King and main protagonist, led an army of terror across Ente Isla until he was defeated by Emilia Justina and her allies. Exiled to Earth with reduced powers, he sheds his cruel past and emerges as Sadao Maou-a hardworking and cheerful employee at MgRonald's. Adapting to life among humans, Satan Jacob develops a kind heart, gaining popularity among colleagues and neighbors while striving for success in the corporate world.