Running from shadows in the night, Katsumi accidentally binds herself to a Yōkai named Kaedo. The problem is... Katsumi hates Yōkai's more than anything. She also specifically hates Kaedo's breed, Inugami's. Katsumi hates everything to do about Yōkai's. Then, trouble comes. What are supposed to do when your only choices are to rely on something you hate to save you, or die?