Soichi Negishi is a sweet and shy young man who dreams of becoming a trendy singer songwriter. But for some reason, he is forced into joining the devil worshipping death metal band 'Detroit Metal City' (DMC). In full stage make-up and costume, he transforms into Johannes Krauser II (Sir Krauser), the vulgar-mouthed lead vocalist of the band. But he must keep his secret from his crush Yuri Aikawa who strongly despises death metal. What would she think...