Ritsuka Uenoyama, once passionate about playing guitar and basketball, finds himself drifting aimlessly until he encounters Mafuyu Sato.Mafuyu's hauntingly beautiful voice reignites Ritsuka's passion for music, sparking a profound change in their lives. As their bond deepens through shared melodies and unspoken emotions, Ritsuka and Mafuyu embark on a journey of self-discovery, healing, and love.