A manga series and anime OVA series, also adapted for live-action.
Negishi Souichi is a 23 year old mild-mannered young man who moved from Ota Prefecture to Tokyo for college and wished to become a kindergarten teacher and enjoy Swedish pop music. Yet for some reason he ends up becoming the lead vocalist of a death metal band called Detroit Metal City (DMC), creating an alter-ego named Johannes Krauser II who is a complete opposite of his true self.