She looks up at me and asks if she can watch me suck myself off again. While I was completely shocked, it only took a few seconds for a "HELL YEAH!" o... the inside, but a "Well, I don't know?" on the outside. Now there is no way I can turn down her request but I had to get a little in return too. "OK, but I need a little visual stimulation to get me going." Without a word she drops her towel and stands there in all her glory. My sister is a fine looking woman, 5'0" 120#'s and 34DD's,2" areolas. I agreed, especially after learning that Cynthia lived right on a lake with few neighbors. While Cynthia was a bit older, she still looked sexy and seemed to respond when I flashed her in the supermarket some weeks back.We arrived at Cynthia's house around 5:30. I was introduced to Marc, Cynthia's husband. He was about 5'9" and of medium build. He immediately struck me as a very relaxed, friendly guy. Their house was great: three bedrooms and baths, a big livingroom with a fireplace, a nice. Mymother took off all of Tom's clothes, tossed them on the floor. Sheslowly removed her dress like a stripper. She turned around, took offher bra, and panties. She held her arm across her chest, and heranother hand was holding her clitty. She turned around and gave Tom asexy wink. My mother walked closer and she sat on his lap and said."Honey, are you sure you are Ok with this." I am sure." Tom said.My mother moved her arms aside, and she showed him her clitty. Tom wassitting on the sofa, and. I pulled down the sun visor hoping it would helphide me. My fingers brushed over the vanity mirror and Ijust couldn't resist. I had to get another look. I stillcouldn't believe the girl in the mirror was me."The only thing people will see is exactly what you see inthat mirror; a pretty girl," Mom said.As she drove I started to relax a little. No one was payingany attention to me at all. I was fine until we turned intoour driveway and parked...behind my father's car. I musthave gone deathly pale.