It is centered around Okami Kobayashi, a unique wolf youkai, who possesses a family heirloom called the Crystal Great Sword. After living on her own for nearly 250 years, Okami was pondering the mysteries of her sword, when she heard a pair of lost travelers. Following them to make sure they got to their destination safely, She was entranced by the Sutra reading given by the head monk, Byakuren Hijiri. After the reading, she approached the monk, asking for help discovering the sword's powers, a quest that would reveal the swords checkered past, along with Okami's own powers.
Part of the Trilogy of the Moon series, consisting of:
Tropes in Call of the Moon
- Cool Sword: Okami's Crystal Great Sword.
- Fire-Forged Friends: Okami and Nue.
- Sealed Evil in a Can: Kamiko was sealed inside the Crystal sword.
- Woman Scorned: Kamiko decides to destroy humans because her human crush betrayed her.