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!

You haven't gotten it as high as it'll go.
لم ترفعه إلى العلوّ الذي سيبلغه بعد
– Monsieur ?
– Tu pourrais faire plus aigu…
Signor cliente...
Você ainda não conseguia
atingir notas altas...
Но всё же можно ещё чуть выше.