Title: Four People Ruby Seduced & One She Actually Fell For (Or: Ruby's Epic Love Affair with Humanity in General and Sam in Specific) [also at AO3]
Author: everysecondtuesday
Rating: NC-17
Pairings: Castiel/Ruby, Dean/Ruby, Jo/Ruby, Amelia/Ruby, Ruby/Sam (minor Castiel/Dean)
Spoilers: Blanket spoilers through S5.
Warnings: Brief references to past torture.
Word Count: 3743 words
Summary: In which Ruby has a lot of sex, is not any kind of therapist that would be legal, and helps a few people out for her own reasons. (S4/S5 AU)

1. The Mark: Castiel, Angel of the Lord