Given

Ritsuka Uenoyama feels uninterested in school, his basketball club, and even in playing guitar, his main passion. One day, he discovers his favorite quiet spot taken by a boy named Mafuyu Sato, who is holding a guitar with broken strings. Initially indifferent to Mafuyu and his unusual manner, Ritsuka impulsively asks him to sing. The impact of Mafuyu's voice deeply affects him.