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.
1980
2023
1998
1981
2003
1976
2005
1979
1982
2002
1978
1987
1974
1975
1992
1985