A beautifully toned body, Fifty Mother, once witnesses her son indulging in masturbation using Onahoru. A fifty mother who has a fierce sexual desire in a petite body strongly holds a nasty interest and plays with her son's erection Ji ○ Ko and spreads her ripe desire to expose her ripe desire and trembles with pleasure asking for cunnilingus. The fifty mother and son, who have tasted the forbidden joy and have become uncontrollable, go crazy and rejoice in a nasty and fierce fellowship.