People were making small talk and the VP was staring once again at her tits. My sister sat up and looked at the pool and asked if that woman over ther...e had taken her top off. Of course everyone turned to look especially the VP. When they did my sister reached under and pulled her suit to one side exposing her pussy. She quickly guided my cock to her entrance and impaled herself on me. As the others figured out they missed the mystery topless woman the turned back around. We tried to look. From time to time I would masturbate thinking about my step-mom's boobs bouncing up and down as she rode my dad, and when I came, I would imagine them reaching a simultaneous orgasm, making mine all the more intense.I lived with my mum but stayed at my dad's house from time to time. On one such occasion, when I was s*******n, I had decided to go to bed quite early as I had an interview for a part-time job in the morning. When I went upstairs towards the spare bedroom, Lisa emerged from the. ‘Sorry my little brother’, kisses all over my face, her hands on my dick and balls, ‘Watch me now for a while and then finish with me’. Jules needs it, four fingers go in, her thumb on her clit. The four fingers of her other hand move inside mouth, in exactly the same paste. After she has switches hands four times, I have a mouth full of pussy juice and a sore dick. I get up and put my rock hard dick deep into her mouth, all the way in, where my dick head is in her throat. She gasps for air. As I stood up he told me to just pull the back of my shirt up and turn around so he could see the back piece. I told him I would have to pull my whole dress up because it was all one piece and that I could just come back some other time if needed. He said he didn’t have a problem with it of I didn’t and since we were the only ones there I really didn’t feel uncomfortable with it.I turned my back to him and pulled my dress up above my ass. I was wearing a black lace thong, matching the bra he.