4 couples.Frustrated wives plan to change their husbands and have sex.A couple in the neighborhood, a newlywed couple and a matchmaker couple are exchanging couples!In front of her husband, another person's cock is thrust into her mouth and mako and she gets excited.Married couples who are very excited about the affair NTR in front of their eyes when their husbands are peeping at other people's wives.Shame, guilt and pleasure are two sides of the same coin!