Mafuyu Satou finds solace in a haunting melody that speaks of sorrow and desire, kept hidden behind a carefree facade. When he crosses paths with classmate Ritsuka Uenoyama, a talented guitarist, Mafuyu's muted emotions may find a voice. Uenoyama's band, consisting of the compassionate bassist Haruki Nakayama and the edgy drummer Akihiko Kaji, lacks a vocalist but thrives as an instrumental group. Upon hearing Mafuyu's captivating singing, Uenoyama extends an invitation that could elevate their music to new heights. Collaboration in a band is a tumultuous journey, testing bonds and forging connections. Guided by Uenoyama, Mafuyu embarks on a path to unlock the pent-up sentiments residing in his soul.