NEWM-005 True Abnormal Sex: The Forty-Something Mother and Son, Part Fifteen - Shiori Hakushō

I have been married to my husband for twenty years. She had a happy life, but Sumire was unfulfilled as a woman for a long time. Unsatisfied with her sex life, she spends her days comforting herself. One day she found her son masturbating. "If you make a fuss, your father will wake up." Sumire was pushed down by her son. She then ended up serving her son in hiding from her husband. Later that day, a friend of her son came to visit. Her son's friend sees her Sumire's big tits and inflates her crotch. Prompted by her son to have threesome sex with her mother and her friend...