Her hands were all over my thighs and she was lying on my belly now. She looked up and asked me…”What , Dad , Any Problem.? Not feeling Sleepy? �... My reply was just a grunt as she had hit a spot with her hand. I let caution be blown and my hands groped for her Breasts and I found them. As i started to massage and feel around, she looked at me and smiled and unbuttoned her blouse and her bra….I thanked the system the airlines have of providing fairly large blankets. We were both covered by the. She putout the lights, though there was still a faint glow from thebrazier, and climbed onto the bed with the baron. He caressedher for a while, as I watched, both fascinated and embarrassed,for I had never before seen a man and woman indulging in suchsin. Then they pulled the bed clothes up over themselves, and Iwatched them moving, like cats in a bag, under the covers. Finally, I heard Bet make mewling noises like a kittten, and theneverything was quiet. The coals in the brazier grew cold,. I followed her example, and when she squirmed under me, I stayed still, then pounded her hard, feeling her cum as she panted with ragged breath. I came deep in her. She bucked hard and with muffled a cry as she came fast and hard.An hour or two later we heard a knock at the door. Some guy showed up, she whispered it was number three from her "trolling expedition". She wanted him to join us. She was going to go to a ship party with him the next day. I said it was okay, and we all slept together. It was just a matter of minutes before I came all over my sisters panties, filling the crotch with my cum. Took it of my cock so that it leaves as much as my cum on her panties when i put it back in the hamper, which I have been doing since she started leaving her thongs around for me to see when we were still living together, so I know she sucks my cum off her panties when she finds it. I wipe the rest of the cum of my dick with her girlfriends panties. this should be enough hint that I want.