On the snow-white ice fields of Hokkaido, stands a lonely observatory. This is the place where the little girl Caiyue and her intellectually disabled younger brother Dahui, as well as her childhood friend Sata, often play. They look up at the stars and fantasize about their mother living tens of thousands of light years away. Until one day, Sata's family moved to Canada, during which
On the snow-white ice fields of Hokkaido, stands a lonely observatory. This is the place where the little girl Caiyue and her intellectually disabled younger brother Dahui, as well as her childhood friend Sata, often play. They look up at the stars and fantasize about their mother living tens of thousands of light years away. Until one day, Sata's family moved to Canada, during which