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.
2023
2022
2003
1991
1976
1995
1979
1987
1993
1966
1997
1978
1998
2007
1982
—
1989
2000
2002
1971