At 5’11 and nearly one hundred eighty pounds, her most prominent physical attribute was a set of curvaceous thighs. Her seductive demeanor, combined...with her vivacious personality, easily offset her plus size frame and the reality of being a generation X-er.The trip back to the farmhouse took about an hour. Amy engaged in constant chatter, with her greatest concern being what household labor would be required from her. Zeek assured her this would be minimal and she would be free to partake of. We knew if caught, that would be the end of me, and they as sisters. I was in another one of my moods that caused me to take chances, not caring now what the consequences could be. We reached the driveway and turned in."When everyone is asleep tonight, will you come to me? I will leave my door unlocked." She asked."I want to but I will have to wait and see what the situation is at that time." I said with uncertainty. "By the way, you look very sexy." I wore these to seduce you." She said. So the couple is getting naked, I am standing there with my bottoms still on. Hubby tells me to take them of and I did. Hubby then said that he thought I could use a shower. Wifey asks me if it was okay if both of them were soaping me in and rubbing my body. At this time I got rock hard, and hubby says he takes this as a “yes”.So I get into the shower and turn on the water. Wifey grabs the shower lotion (you know, those small bottles that every motel has) and starts soaping me in, starting at. ................ sis ???Cindy spoke, ................ they're not Robins panties..................... silence. Their mine.I was trying to wrapp my mind around what she just said. What do you mean their yours ? Cindy, why would you do that ?Bro, I don't know, I guess I was just, I was, ........ well I was turned on that you used mine bt accident the first time. After I found out you used mine that weekend, I couldn't get the thought out of my head, everyday I masturbated in the mornings when I.