Rumiko Takahashi

Black cats might be bad luck, but did you ever think that the cat might have a reason for causing trouble? Rinne Rokudo quickly finds out that it's more than possible, especially when the cat is the mostly humanoid Oboro who's stuck in a contract with spoiled Shinigami Ageha, so now Rinne's derelict house is suddenly filled with snake spirits! That's just the slinky start of the latest set of missions for perennially broke half-human, half-Shinigami...