"My hands held her ass, and I made sure to push her into my meat as much as I could, "But, you're my little sister," I gave her a little kiss on her b...rning lips.She kissed me back, and then said, "I don't care... you turn me on SO much," she moved her hips on me as hard as she could without making it obvious she was trying to fuck, her brother."We need to go before you make me cum in my pants," my hands had slid under her short skirt, "By the way, you have a great ass. I would LOVE to bite it. As Kay drove, I reached over and began to rub her inner thighs. After a few miles, she exited the freeway. "Why are you getting off here?" I inquired. "I thought we might pick up a video." I looked up, and realized that she had pulled into a XXX shop. Its parking lot was more than half full. "Kay, are you sure you want to go in there?" "What? Ken is getting chicken?" "Well, I am just concerned about you," I lied; I wanted to go in badly, but I did not want her to feel obligated. She looked me. How about if you stay in the guest room for tonight?”“Well, I don’t want to spoil your dinner, so I can order a taxi to take me home.”“That’s silly. If you don’t yet trust me enough to stay here I’ll manage without the wine.”She thought for a few moments and then said, “It isn’t that I don’t trust you. I don’t have any night things here to start with, then there’s a toothbrush and a hairbrush, and so on.”David seized the possibility, “As you know the guest room has its own en suite with a brand. She rapped a strip around the bed and my legs to hold them in position without slipping. With another strip she tied her ankles together then she climbed on to the rocking chair facing away from me and tied her feet to the rungs of the arms so that they were held in place. Then she curled herself into a ball so that her large cheeks were spread apart exposing her beautiful inviting oily anus."Tie my arms to the back of the chair please Jack," she said. I obediently leaned over her oily, sweaty.