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!

Your abs and back muscles 
are nicely developed.
عضلات بطنك وظهرك
نامية بشكل ممتاز
Jep, du hast ordentlich
Bauch- und Rückenmuskeln.
Has desarrollado bien
abdominales y espalda.
Has desarrollado bien
abdominales y espalda.
Tes abdos et trapèzes
sont bien musclés, eux aussi.
I muscoli addominali e dorsali sono ben definiti.
Você tem bons músculos
no abdômen e nas costas.
Пресс и мышцы спины отлично развиты.