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!

Hey, if you don't leave soon,
،اسمع، إذا لم تغادر قريباً
Ach ja! Wenn du dich nicht beeilst,
Tu sais,
Senti.
Ei, se você não for logo,
Кстати, если не выйдешь сейчас,