Looking for threesome scene

I'm looking for a scene where a guy is in a room for some sort of appointment, and the girl ends up teasing and grinding on this guy before another girl knocks on the door and says her time is up and he's right on the edge and she takes over and the guy is all pathetic and has a pillow over his erection which she removes and continues to service him.

There was a black woman and a more Hispanic looking woman. The guy was white.
 
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