The group returns to school, but peace is short-lived. Okarun and Aira find themselves in a surreal "battle of the bands" against Classicaloid ghosts—malevolent incarnations of famous classical composers. This arc features unique combat where characters must avoid literal music notes with varying status effects.

He begins training with Grandma Seiko to control the Evil Eye from within, effectively living a life where he must avoid all cold fluids.

He seeks to become stronger to fulfill his contract with the Evil Eye, eventually seeking training from Turbo Granny.