The main protagonist. A calm and peaceful musician, fan of Swedish pop who is the exact opposite of his alter-ego Johannes Krauser II, leader of the "extreme" metal band DMC (short for Detroit Metal City). Ashamed of his true job, Negishi must cope with DMC's rising fame while keeping it a secret from friends and family. While performing as Krauser, Negishi proves to be a skilled guitarist, able to play just with his teeth.