Prompt: Dean and Sam find out that the girl who came to them for help is not just their little half-sister, but is also half-demon.
Warnings: Some violence, mild language (aka Dean Winchester has the mouth of a sailor) and mentions of family death.
Word Count: 3610
Link to fic:
Go to the Winchesters, he said.
Moose and Not-Moose will protect you, he said.
Well look how that turned out.