This work could have adult content. If you proceed you have agreed that you are willing to see such content.
"Dean Winchester is as straight as an arrow. He’s a lady’s man of epic proportions: the king of the one night stand, the messiah of the friends with benefits paradigm, the emperor of perpetual bachelorhood.
Except, apparently, when it comes to his best friend, Castiel Novak."
Wherein a longstanding acquaintanceship leads to friendship, then best friendship, then sexting, then dirty talk, then mutual masturbation, then, inevitably, fucking.