Slippery Sis
“You must have had a fun date tonight,” I quipped as I drove to full insertion on the first stroke. Her pussy had the familiar silky slickness of fresh semen. “Yup. One of my favorite guys. Big cummer and stays hard for a second go. Hope you can get some traction,” she replied with a big grin. It was a routine we had developed during the past six months since Sis had gotten on contraception. When she turned sixteen, the age of consent here, we had gone beyond playing “doctor” but short of...