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
2007
2000
2021
2025
—
2004
2023
2022
2003
1996
1997
1998
2002
2005
2006