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.
2001
2012
2003
2006
1981
2000
1989
1982
1999
1979
2011
1977
2007
1983
1997
1988
1992
2005