The fifty-year-old mother, who had a completely cold and ripe obscene body with her husband, was working on masturbation like a daily routine. One day, she happens to meet her son in her dressing room half-naked. Her mother, who is swayed by her mother's naked body, has lewd excitement and forbidden lust for her son who has grown strong. A fifty-year-old mother who gropes her son's Ji-ko from her uncontrollable carnal desire and invites her to her own ripe ma-ko.
