Mahiru Sakai

Mahiru is the mother of protagonist Kazuna Sakai, a former member of the Shirahama-saka High School Choir Club who went on to pursue a career in music composition. Known for her sunny disposition and gentle nature, she shared an exceptionally close bond with her daughter. Though she passed away from illness before the story begins, the melodies and unfinished works she left behind serve as a guiding light, inspiring Kazuna to overcome her grief and rediscover her love for music.