"I said not thinking straight."I don't think John or Joan would be happy with that idea. But I think I know what you mean" she said with a smile and a... little peck on the cheek."Our friendship became even closer and it was about the end of September that one night we all went to the local inn for a meal and a drink. It was in one of those darkened dining areas and Linda was sat next to me with our backs to the wall. John and Joan were sat opposite. I found myself brushing up against Linda quite. It wasn’t long before my fingers had slipped deep inside my pussy as they had changed positions. He was fucking her from behind, doggy style. His hands on hips pounding her for all he was worth. I could hear the headboard of the bed banging against the wall. It was so hot watching my step-sister getting fucked, I could tell how much she loved it too. He seemed to push her forward with every thrust, making her get closer and closer to the wall. Soon she had her hands up against the wall as he. If I had the chance would I make love to her. By the time we were halfway home, Sara started pulling her sweater over her head asking if I liked her new half-cup satin bra. My cock jumped to attention immediately as she began playing with her tits as we drove."Mike. Kiss me. Please."I pulled into a lot only lit near a closed business and parked far enough from the building no one could see in her car. I pulled my sister-in-law to me and we locked our lips together in a deep, long kiss as her. "No, I'm not just saying it because I'm your sister. In fact, if I weren't your sister, I would love to be your girlfriend." Okay, now you're getting weird," he said, but with a smile."I'm serious, Jeff. The reason I don't get along with boys my age is because they're all so stuck on themselves. It disgusts me. You, on the other hand, can be really nice when you want to be. I mean, when you're just being yourself. I love you, Jeff. And if I weren't your sister, I think I would still love you,.