In this film, Mai, has a handicapped brother, who is totally deaf, called Dai-Chan. He is like a younger brother for Mai yet he is actually her older brother because Dai-Chan always asks Mai to hold him up with smiling all over

Daichan, daisuki.

The 31st year of the Showa Era (1956) marked the tenth year since Japan's defeat in World War II. It was when Japan took its first step out of post-war poverty to rejoin the international community. In old downtown Tokyo, a teacher and her students try to pass down Doyo (Japanese traditional children's songs) as the root of Japanese cultural identity to the future generations.