Mami, a young wife with no sex with her husband, is frustrated by the copious amounts of masturbatory tissues used by her virile father-in-law, and masturbates to relieve her sexual desire. She suspects her husband of cheating, he's away on a business trip, she's frustrated... if she had missed even one of those things, she wouldn't have crossed the line... Her hips start moving on their own as his hard cock thrusts up into her uterus to the point where she knows it's wrong. By the time her uterus has fully memorized the pleasure of his vagina filling her vagina, the two have become a man and woman who just sweat and cum over and over again from continuous sex like animals...