In the year 311 of the Orbital Calendar, humanity has migrated to countless colony clusters in space. A space colony girl named Akiha Shishidou encounters a malevolent artificial intelligence named Leopard that has been installed on a colony.
2024
2021
1992
1969
1983
1989
2006
1990
—
1965
1960
1988
1977
1986
1979
2003
2018