300 years ago, the interstellar colonization transport, The Mesopotamia, had an accident, setting mankind down on the surface of Terra II. The only survivors were six males. Due to a twist of ...

Umakai Shintaro, a Russian diplomat originally from Japan, defects and goes to Sapporo to teach at a girls academy. However, that girls academy is not typical—it is on board the Amanohara, and ...