Kajun lives with her husband and son. Her son, who is taking a year off to study for exams, is constantly nagged by his father to study harder. That night, while Kajun was having sex with her husband, he couldn't finish. Feeling unsatisfied, Kajun started masturbating in the kitchen. Her son, who happened to pass by, said, "Weren't you satisfied with sex from Dad?" and thrust his rock-hard cock into Kajun. From that day on, she was made to service her son repeatedly. Desperately hiding it from her husband...
