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!

But without a genius like me 
to conduct you, well...
...لكن بدون عبقريّ مثلي لقيادتكم، حسناً
Wenn ein Genie wie ich
euch bloß anleiten würde.
Aunque sin un genio que los dirija…
Aunque sin un genio que os dirija…
Bref, vous ne pourrez pas
vous passer de mon génie.
ci sarebbe bisogno della guida di un genio come me.
Bem, por sorte vocês têm
um instrutor genial como eu!
Но без руководства гения вроде меня...