Lonely Kaoru Nishimi has lost count of how many times he has moved schools thanks to his father's naval career. Newly landed in Kyushu, he finds most of his classmates instantly antagonistic towards him and suspicious of his elite background. Only two other students seem not to mind who he is – the infamously abrasive Sentarou and the gentle Ritsuko. Unbeknownst to Kaoru they have a passion for jazz, and they're about to pull him out of his stiff, joyless world into theirs of loose, swinging self-expression. Through friendship and frustration, love and despair, Kaoru will learn that life has a wealth of experiences in store for him!