I headed down to the States for her famous summer barbecue and her in-laws were there which both she and I have come to regard as great cockblockers.T...ey want to be taken care of hand and foot and my sister being the great matriarch she is, makes up a fabulous spread and serves upwards of 30 or 10 people at one of these things. I try to help best as I can but the worst part is that the two of us want to fuck at some point as well.With husband, kids, in laws galore around, we were thoroughly. A large king sized bed covered most of the space, with a chair in one corner to relax. The curtains open, allowed the moonlit sky to shine into the room. You invited me to sit on the bed, as I perched upon the edge. You sat next to me, sensing my nervousness, as you tried to put me at ease. You smiled, as we began to talk. Just in general.It took me a moment before I realized your hand caressing my leg. Working back and forth, touching it softly, receiving the reaction you were hoping for. The. She reaches with one hand between her thighs and plays with her clit. By balls are slapping against her fingers as I pump harder.I want to cum and want to cum so much but I hold back. I pull out very slowly, I probe the entrance of her lovely arse. My cock is so hard and so wet from her juices where she has cum on me.I squeeze inch by inch slowly into her anus, she gasps with shock as she feels herself being stretched wide open. I hesitate inside her. She throws her head back. I lean forward,. ......... I don't know but I sent it. WHAT??? She texted back. Your read it I said, how do u know she texted back. Cause I can see it and almost touch it I texted. With that she turned around and we both laughed. How long have you been behind me she asked. Long enough I said. Smiling. She turn back around and I received a text saying go ahead.Go ahead what I said? Grab my ass if you want. I got in closer to her put my hand on her left cheek gave it a light squeeze and move my hand to the.