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.
2021
1992
2022
2024
2018
1994
2008
2023
2006
—
1976
2005
1987
1977
2007
2000