Even as she aged, my wife's mother remained beautiful and alluring. Apparently, she had been a model in her youth. Through this connection, she received an offer to work as a lingerie model, so she came to Tokyo and stayed at our house. My mother-in-law was still as charming as ever when I saw her after a long time. Stealing glances from my wife, I quietly opened the door to my mother-in-law's room and found her in front of the mirror practicing poses in her underwear. Unable to control my erection, my desires spiraled out of control, and I couldn't help but ejaculate inside her! From that day on, I gave in to my lust and had wild sex with my mother-in-law…
