Crowley

Sam and Dean decide to visit Crowley in hell, when they get there they get there they find Crowley beating a teenage girl around 17 years old. She wasn't a demon, the boys could tell... Due to thins they decide to take her away from him and take her back to the bunker. Over time the boys grew fond of her; she was a sweetheart, and helped before and during hunts. But what will change when Sam and Dean find out about her parents...