High school student Dai Miyamoto has his life is turned upside down the day he discovers jazz. Picking up a saxophone and leaving his sleepy hometown for the bustling nightclubs of Tokyo, Dai will find that the life of a professional musician isn’t for the faint of heart, as he must confront what it truly means to be great. Dai Miyamoto, a student from Sendai, receives a saxophone as a gift from his brother, Masayuki. He starts practicing immediately.