Hurt So Good

After a night of passion Dean refuses to acknowledge, Castiel ends up pregnant. Castiel tries to keep their son away, because he knew that if the Winchesters knew about him, they would hunt him down.
But after several years, Sam finally got the Deanmon locked up. When he calls Castiel for help, he gets his nephew instead.

(This will be short. I'm writing it because I read an AU on tumblr by holahydra. It's based in the hellatus of S9 - S10)

* Edit from 2022: why are y'all still reading this 7 years later 😭 it's so bad but you guys seem to love it. Appreciated anyway 😂