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!

See you at school.
ألقاك في المدرسة
Wir sehen uns in der Schule.
Te veré en la academia.
Te veré en la academia.
À demain.
Allora, ci vediamo a scuola.
Enfim, nos vemos na escola.
До встречи в школе.