The Colt | Part 1

This is a off-shoot story of Supernatural. So it'll have almost everything from that show! Plus some canon stuff is changed for the sake of this story.
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Raine stumbles across the Winchester brothers. She's heard of them, everyone in hell has. She decides to stay, to watch them kill Azazel but it evolves to so much more. Sam and Dean have an unnatural bond- bromance- and Raine thinks it adorable. It's risking a lot if she stays because if they find out she's a demon, they'll probably kill her.
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Btw Idk a name so suggestions welcome. And if anyone wants to make a cover art, that'll be like the best.