Aosoth.

The demon Aosoth has been subdued and Paul Shay and his daughter freed from captivity. But Aosoth is hell-bent on recovering her daughter and chases them across four cities in western U.S. Madeleine Shay is a fifteen-year old girl who discovers that her mother is a homicidal demon who has abducted her father and is coming after her. She uncovers a whole new part of her life and finds out that she might be a part of an anti-demon race known as the Hunters. Armed with a power she never knew she had, and with a few newly-made friends on her side, she sets off to free her father from his captive state. Will she be able to save her father? Or will she be crushed by the fact that her bestfriend is a spy working for the demons?