Shuuhei Amamiya leaves Tokyo and moves to the countryside because his grandmother’s health has deteriorated. His father, a celebrated pianist, has given him rigorous piano lessons from a very young age, and Shuuhei aspires to follow in his footsteps. At school, he is teased by classmates and ultimately challenged to play a piano hidden in the forest. The instrument is rumored to be cursed, if played, no sound should come out. After school, his classmate Ichinose Kai leads Shuuhei into the forest. Shuuhei’s attempt fails, but Kai plays a beautiful piece, and that moment sparks a strong friendship and marks the beginning of their journey as musicians.