"It's definitely only 3 centimeters, okay?" I allowed my sexually aroused father-in-law to insert himself into me for a short while. To my surprise, we had a wonderful chemistry... I reached multiple orgasms. (Asahi Rio JUR-308)

During a happy time living with my husband, my adoptive father suddenly appeared. After five marriages and divorces, my husband and adoptive father were estranged, but until he found a job, he had to stay with us. After living with him for a few days, I gradually lost control of my life; even my unmet needs were seen through. Then, as if he could read my mind, even though I should have been sleeping, he displayed an swollen groin. Unable to resist my instincts, I indulged in masturbation. And just as I waited, my adoptive father got up from under the covers…