Nao is a third-year student in the piano department at a music university. She is working hard towards her dream of becoming a professional pianist. The popular pianist Oono Keishi, whom Nao admires. Through Shota, the son of the instrument shop Jinbo, which is a regular spot for both of them, they meet. Brought to Nao's house by Shota, Oono attacks Nao under the pretext of polishing the sensibility that is lacking in her piano playing...
