I have to tell you, dear diary, what a wonderful experience that was, and that I would do it again and again for a very long time. I hope she really d...d enjoy it. I found it just incredible.We went away for breakfast at a nearby café at about 11am. In the afternoon, we went to the cathedral on the hill where you could see most of Paris (don’t remember the name). Michelle pointed out the landmarks, we got our first cheer for necking in public, then we went for a walk around this neighborhood and. This is a first for me too you know." I needed no more encouragement. I sat up and saw my dick had disappeared into her ass. I could only see the base to my shaft. I slowly began to pull out. It felt like her asshole was sucking me in! I pulled out as slow as I could. I stopped just before my head popped out. "oh fuck yeah. Put it back in. Put it back!" she cried. I slowly slid back into her and reached inside. When I was all the way in. I caught Gucci by her hair and pulled her head back. Her. She knows I like that! My penis begins to stiffen.She detaches herself from me, sits on the bed and slips off her tights and panties. I like watching her do that. My eyes involuntarily lock onto her brown cunt hair between her legs. While she sits there nude I stand next to her fondling her breasts and running my fingers through her hair and over her shoulders, aiming my stiffly swinging penis at her. My penis brushes against her breasts and she strokes my shaft, balls and the inside tops of my. I continued following Pat around the lobby until they motioned for me to look through the glass portion of the door to one of the research rooms.Inside that room, I saw someone leaning over a table and being fucked from behind. Since the couple looked somewhat familiar I looked again, and this time I was finally able to see the face of the girl leaning over the table, my half sister Amanda. I told Pat that I had seen Amanda in there and they replied that when they had first looked in they had.