Devil's Trap

This is the start of a story about a girl named Vanessa "Ness" Singer. She is Bobby's daughter, and also a hunter that actually has a home and a job at a bar as a bartender in a town called Sioux Falls, South Dakota. She has known Sam and Dean Winchester since forever, but she sees Dean a little bit differently than she sees Sam.
And she will stop at nothing to protect them and her dad.