She laughed and rolled over. Slipping her panties down and off, she moved over on top of Peter, whose eyes suddenly widened in delighted anticipation....It was just the standard cowgirl position, but it was a good place to start. Wiggling around a bit, she positioned herself and slipped over his whole seven inches in one smooth motion. He pretended to appear shocked at her take-charge attitude. Why, you … you vixen! he cried in mock terror. Whatever will you make me do? Shut up and suck on my. Then he called his sister in. Marilyn looked pissed and ready to kill someone.Pete said, “Marilyn, suck his cock and swallow his cum.”I looked at him in disbelief and then I looked at his sister. Marilyn rolled her eyes and started to get down on her knees when Pete said, “Strip naked first, you know the rules.”I was totally astonished when Marilyn started to undress. She just wanted to get it over with. She didn’t even unbutton her blouse she just pulled it over her head, unhooked her bra and. Now I know she also didn’t sleep. My hand was almost near her boobs, and my dick was poking near her navel.Mom didn’t move for a while as she thought I moved in sleep. But to my surprise, I felt mom hand over my shorts. I think she tried to feel my dick in her hand. The next day I told what happened to sis.Sis: Ok, then everything happening according to plan.I was horny because we didn’t do anything yesterday night. I grabbed her boobs and started sucking it over her dress. Then lifted her. And how do I know that she wasn’t?!,’ I thought.In this position my withdrawal allowed the semen leakage to flow right down Di’s erect, unhooded clitoris, on into her trimmed pubic hair, then down onto the floor between her legs. I quickly moved to the side to allow the cameras to have unblocked views, but I made certain that I could enjoy the spectacle too. My heart lurched when I thought about possibly having made a baby in the wonderful Di. After letting most of the spillage flow without.