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!

No, no! No shower required!
!كلّا، كلّا! لا استحمام
Nein, keine Dusche!
¡No, ninguna ducha!
¡No, de eso nada!
Non, c’est pas la peine !
No, no, non ce n'è bisogno.
Não! Não precisa!
Нет-нет, нам хватило!