Kimi ga Hoeru Tame no Uta wo,

Oogami Haru, a high schooler troubled by her childish appearance and contrasting deep voice secretly uploads videos of herself singing on the internet. One day, when her classmate Narumiya Yuu finds out about this, instead of the ridicule she expected, Yuu instead invites Haru to form their own musical group… A shared story of music and youth between two girls, each burdened by the past.