Jovens, livres e apaixonados. Quando adolescentes, eles viviam sem preocupações. Mas na vida adulta, parece que algo importante se perdeu.

Tsumugi Aoba and Sou Sakura dated in high school. They both liked music. After graduating, Sou sent her a message breaking up. She started dating Minato Togawa, a mutual friend. 8 years later, she sees Sou, only to learn he is deaf.