After secretly looking at her boyfriend's phone, she discovered he was having intense sex with her mother. (Hanayanagi Riroko, KEED-087)

"I suspect my boyfriend is cheating on me..." Her daughter confided in Riroko, who was devastated. The cheating partner was none other than Riroko herself. During their numerous family dates, an wicked affection blossomed, and Riroko eventually had a relationship with her daughter's boyfriend. Although she knew it was wrong, Riroko still craved a young penis. Tormented by guilt, she couldn't control her rampaging female instincts.