ROE-106 During My Wife's Trip — The Frustrated Me and My Mother-in-Law Rieko Hiraoka (平岡里枝子) Spent 2 Nights and 3 Days Forgetting to Eat or Sleep and Just Having Sex

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My pregnant wife, having entered the stable period of her pregnancy, suddenly said she was going on a 2-night, 3-day trip with friends. Reluctantly I saw her off... In the meantime, my mother-in-law Rieko Hiraoka (平岡里枝子) agreed to take care of me. Watching her unconsciously exude a strange sexiness made me unbearably aroused, and while alone together—me, who had been practicing abstinence—I ended up giving in... When Rieko learned what had happened, she didn't get angry; instead she asked, "Shall I do it for you?" and began rubbing my cock! The pleasure broke my self-control...