I tilt my hips towards her again making contact with this obstacle; I can see tears in her eyes, but something drives me on. I tilt back and thrust f...rward again this time breaking through, bringing a squeal from Mai. We kiss as my pecker fills her belly. My thighs make contact with hers and my balls bounce off her undersides. Mai looks so happy. I bring my pecker out a little and then drive into her. Like a piston in an engine I go in and out. I start feeling a burning deep down. "Are you kinding?" She just shook her head, the smiling undimished. Her pale blue eyes twinkled. "All right. You push down my pajama pants," I said. There was only a momentary relutance before she took hold of elastic waistband in both hands and began to slowly slip the pin stripped pants down until they were just around my knees. It was a perverse thrill that tingled through my body as my sister's eyes widened as she gawked at my cock. "Haven't you ever seen a cock before?" I asked. "A. Carlos returned and said “like what you see?” I replied “Oh yea!”I was beginning to feel a slight erection in my pants, but just couldn’t take my eyes away from the women in the magazines. Carlos sat next to me and gave me a box. In the box there was a radio. I said “Thanks! You sure you don’t need this?” Carlos smiled at me and said “no, I really want you to have it”. By now Carlos placed one of his hands on my knee and started rubbing my leg. “What are you doing?” I said. “I need you to do me. He was stroking his cock and playing with his balls with his other hand. I couldn’t help but to wonder if they had done this before with another. My thoughts were derailed as Stephanie continued the pressure on my shoulders, guiding me lower on her body. Holly shit, this is it. I have wondered for years if I would ever go through with it or chicken out. I occasionally had fantasies about it but never knew if I would given the chance.I was on my knees; face inches away from her well trimmed.