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!

I know ways to obtain what I want.
أعرف سبل الحصول على ما أريده
Ich weiß, wie ich an das gelange,
was ich haben will.
Je sais où me procurer
ce que je désire.
Conosco i modi per procurarmi quello che desidero.
Eu sei formas de
conseguir tudo que quero.
Я всегда получаю то, чего хочу.