Firstborn

[highermagic]

Title: Firstborn
Author: HigherMagic
Pairings: Demon!Dean/Demon!Sam, Dean/Castiel, Dean/Alistair
Rating: NC-17
Word Count: ~ 3,300
Spoilers: None (This is AU)
Summary: Sometimes, Sam gets jealous. He wouldn’t have that much of a problem if Dean would stop sleeping around.
Notes/Warnings: Lots of bloody, gorey, evil boys doing stuff to each other, and graphic MPreg birthing imagery.