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.
Akiha Shishido
Itsuki Kannagi
Honoka Kawai
Imoko Shishido
Leopard
Soldier UI
Elle Surre
Kazane Shishido
Shigure Shinguji
Gato
Bougainvilleae
Mintao
Nami Shishido
Nina Stratoski
Ryuguin
Takane Shishido
Doi
Nerval
Sakura Shishido
Emilio Surre
Kagura