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.
2019
1991
1975
1967
—
2015
1992
2002
2001
1986
1989
1969
1983
2006
1993
1990