Nani Rokujuudosen no Yakusoku

Synopsis

The story is set in 1945, in Japan after Japan's defeat in World War II. A young brother who was subjected escaped from a human experiment facility in an extremely cold place. Two people with a harsh fate follow the road to Antarctica. In addition, this brother... has a secret. It is a historical science fiction story about brothers who went to Antarctica during the turbulent period of postwar Japan.