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!

Nature is beautiful
الطبيعة جميلة
♪ Nature is beautiful ♪
Nature is beautiful….
Nature is beautiful….
Nature is beautiful
Nature is beautiful
A natureza é bela
Природа прекрасна,