Destiel AU where Dean and Cas are serial killers. Sabriel is also included. None of the characters are mine.

Anja Willow, a pixie, just moved into her new house, bought a cat, and got a job at the local hospital. But being a mythical living alongside humans can sometimes be difficult, and the last thing she needs is the cat causing so much trouble.

A teenage wizard burdened with a mysterious destiny, a cat-girl ninja he can't help but fall for, and a bat-winged daemon that doubles as a diary embark on a dangerous journey in a world teeming with monsters and magic.