Harmony of Mille-Feuille

Uta Komaki, a first-year high school student and aspiring singer, is hesitant to join the light music club due to her shyness and intimidation by the club members. Airi Kojou, the president of the a cappella club, invites Uta to join, and she accepts. The a cappella club is comprised of individuals with distinct personalities, and despite not being popular or flashy, they form a unique bond through their singing.