When he suspected his girlfriend of cheating, he unintentionally noticed himself getting excited. 'I want to see her having sex with another man.' Unable to satisfy himself with just imagination, he finally decided to make it happen through an AV appearance. Seeing her in a way he never had before, the NTR-loving boyfriend becomes highly excited; while she, hidden pervert that she is, gets aroused from being watched. Complex emotions somehow elevate into sexual excitement!
