Aono Kazuki

Class: 1st year student in the regular class

Protagonist of this work. Second son to a family of musicians, Kazuki had entered the school because of will of his family. Now he has to repeat a year because he does not fit in this school, he re-enters 10th grade along with the new coming students. He is beginning to feel that he shouldn't be in this school.
Kazuki has a passive personality and he is easily manipulated.
He used to play the piano in his childhood, the contrabass in the brass band, his hobbies include bass, and he has a detailed knowledge about the music.
On the other hand, He is at the bottom of the class in all of the other school subjects, but he doesn't worry about that.