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!

Before we can instruct you,
you'll first have to learn the song.
عليكم تعلّم الغناء أوّلاً قبل
أن نستطيع تعليمكم
Bevor wir euch anleiten können,
müsst ihr euch das Lied merken.
Para poder enseñarles,
primero aprendan la canción.
Para enseñaros,
primero aprendeos la canción.
Avant tout,
il va falloir apprendre la chanson.
Prima di potervi dare istruzioni,
dovete imparare la canzone.
Para ajudar, o melhor é
começar decorando a música.
Да, сначала нужно выучить песню,
 потом будем разбирать.