Tenshi, Ei-chan, and Shiratori all attend Kawagoe Academy. One day, they get pulled into the orbit of former conductor Haruo. He drags them into his newly founded boys choir where they suddenly find themselves performing a song in front of an audience!

A boys-only choir?
جوقة فتيان فحسب؟
Ich soll einen reinen Männerchor …
Un coro solo de hombres…
Un coro solo de hombres…
Solo di canto maschile?
Clube de coral masculino...
Юношеский хор?