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.
2003
2006
2016
1995
1979
1992
2017
1963
1996
2024
2009
1987
2020
2008
—
1997
2025