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!

Haruo-san, you have lost your place 
in the world as a professional conductor.
هارو-سان، فقدت مكانك في العالم
كقائد أوركسترا مُحترف
Haruo-san, du hast deine Stellung in
der Welt der Kapellmeister verloren.
Haruo, has perdido tu estatus mundial
como director profesional.
Haruo, has perdido tu estatus mundial
como director profesional.
Haruo, tu as perdu ta place
de chef d’orchestre.
Haruo,
Haruo, você perdeu sua posição
como maestro no mundo todo!
Харуо, ты потерял своё место в мире
 профессиональных дирижёров.