My stepmother came to stay at our house while visiting the city. Our home was small, forcing the three of us—my wife, myself, and my stepmother—to sleep side by side in a row. My stepmother had thick, voluptuous big tits, and her presence became an intense temptation, leaving me unable to sleep. Late that night, I heard her moans and quietly watched as she pleasured herself alone. The next day, after confirming my wife had left the house, I embraced my stepmother and confessed what I had seen. With my already hardened cock pressed against her, she dropped to her knees and began pleasuring me, making me feel incredible…