Some people get rid of their demons, other accept them. Once a deal is made it, the other end of it must be fulfilled, it would be unwise to break an oath with a demon, or the devil himself. B is a simple human that gave his life away for the commodity of interaction. A demon was sent to be his friend, and reluctantly accepted to spend time with a human in exchanger of his “humanity”. B must live with his new friend, and all the problems… this deal may cost him.