A mother who is so addicted to the slut that she wants her son's friend's erect cock and can't stand it

It's been over 10 years since I got married. I have been doing my best to help my husband and children, but my sex life with my husband has broken down, so I've been spending my days feeling frustrated recently. At that time, her son's junior, Yuki, confesses her feelings to her, and she is so happy that she is being asked to be a woman that she brings her to orgasm with a blowjob. At first, the physical relationship began with motherhood, but gradually she began to show off her lewd nature as a woman, and especially excited by her young, hard cock, Yuko becomes captivated by the young man's strong erect cock...