Hibiki Muroi

Mirei Katagiri transforms her life with plastic surgery before starting college, gaining newfound admiration from her peers. However, her world is upended when her secret comes to light, coinciding with a reunion with her middle school classmate, Kei Sakaguchi.

A young piano prodigy, Yuri Kashiwagi, returns to her hometown after several years and joins a middle school to mentor the choir group.