The story is set in the year 311 of the Orbital Calendar, when 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.
Akiha is joined by an Inter-Colony Police officer named Itsuki Kannagi, a taciturn young girl named Honoka Kawai, and a robot named Imoko "Imo-chan" Shishidou.+ More
Characters & Voice Actors

Kannagi, Itsuki
Main
Endou, Aya
Japanese
Kawai, Honoka
Main
Makino, Yui
Japanese
Leopard
Main
Fukuyama, Jun
Japanese
Shishidou, Imoko
Main
Nonaka, Ai
Japanese
Shishidou, Akiha
Main
Mako
Japanese
Aleida
Supporting
Nakahara, Mai
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