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 choir of totally ordinary boys.
جوقة من فتيان عاديّين تماماً
Ich unterrichte also Normalos.
Un coro de gente del montón.
Un coro de gente normal.
avec une troupe de misérables.
Rivolto a persone comuni!
Com gente ordinária!
Хором самых обычных юношей.