When Clue Forester leaves Eris Space Station behind to live on a distant Earth settlement on the planet Cassini, she discovers a new reality of troublesome mononoke, beautiful ocean spirits, and vengeful demons who attempt to use her for their own purposes.However, a powerful Okami rules the city of Scorpius and may be Clue's only hope if she is to survive long enough to uncover the mystery of her uncle's demise.