Asakura Kosame was rejected by the girl he likes. He bought a guitar and created a song solely for his confession on graduation day in Junior High. Unfortunately, the girl likes another boy from a different school, who happens to play in a band.

Kosame then entered Meiro High. He decided to join the light music club and become great, to show it to the girl who rejected him, for revenge. But it turns out there is NO light music club at Meiro. The one who sees him at that time is...