Outside her door I listened for a moment to her music playing away then knocked on the door, there was no answer so I knocked again, deciding that she...hadn't heard my knock over the noise of her stereo I opened the door. In the space of a heartbeat my cock went hard in the confines of my clothes, I know I should have backed out of there rather quickly, instead I stood in the doorway wide eyed and open mouthed staring at the sight of my daughter with a vibrator in her pussy, a tit in her hand. “Marilyn wake up you have to get dressed. Hurry up sweetie you don’t want to make me late”. My s****r and I turned in unison towards each other. “She is taking Marilyn with her”, we both said at the same time. The next hour was excruciatingly long. I couldn’t wait for my parents to leave with my baby s****r. That meant that we had the house to ourselves and could take our time and do whatever we wanted without fear. My mom finally made her way to our room. She found us both half asl**p (or so. Tony came over for the weekend, he arrived friday around noon, so I was still at work. When I came home, Dee and Tony were naked, in the living room and Dee had his cock in her mouth. Tony is a very good looking guy, very athletic, black, and all muscles and of course a huge cock. Dee introduced us and then went back to sucking his hard cock. I went to our bedroom to change clothes and saw the bed all messed up and cum stains on my side of the bed. I put a pair of boxers on, and went. " Would be my sister! We're twins, but you probably guessed that. Damn, in no time she had my cock in her mouth, sucking on it hard. I couldn't help myself, I slipped my hand up her shorts and was pushing my fingers into her. In a few moments, we both were naked, hell, she practically tore my clothes off of me. Anyway, I was on my back, eating her pussy as she continued on my cock."I've never done that before, eaten a woman I mean..." Were you a virgin?" No, I have a girlfriend and we, well,.