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!

Now then, we'll see you in two hours.
حسناً إذاً، نراكم بعد ساعتين
Bis in zwei Stunden!
Nos vemos en dos horas.
Nos vemos en dos horas.
Bien, vous avez deux heures.
Allora, a tra due ore.
Bem, nos vemos em 2 horas.
Ждём вас через два часа.