When Castiel Novak found out he didn't get a single dorm room and had to room with some swim team jock, Dean Winchester, he was not happy. If Dean found out his secret, he knew there would be trouble.
Dean/Cas.
Castiel never liked people, and although he has nothing against his college room mate Dean personally, he finds that Dean is no exception. But Dean seems to like Cas like no one ever has before, and Cas is starting to think maybe people aren't all bad.