Castiel, with all his memories of being human, falling, and all that jazz, wakes up to find Sam and Dean looking down at him. He almost replies with a casual "Hello," when he suddenly feels cold handcuffs against his wrists. Dean, the man Castiel knows to be quite kinky, leans closer to the blushing Castiel and catches the ex-angel off guard by yelling, "WHO THE HELL ARE YOU??" *** (In which Castiel wakes up in an AU where Sam and Dean and everyone has no idea who the hell he is but Castiel knows who the hell they are.) *** Story requested from an unknown user