This guy doesn't even need a real reason to get mad at his girlfriend and come up with a kinky revenge plan. Maybe it's just his perverted fantasy to see her get fucked by another guy being so close he can feel her pleasure. He has her blindfolded and tied to trick her into making this fucked up sex fantasy a reality and by the time she finds out it's another guy banging her doggystyle she is too horny to stop. Fucking perverts!