The top was bowled out like a shallow dish, and I spread the sleeping bag out in blanket form in the middle. When going up or down the hill we were p...obably visible to the three or four houses scattered about, here we were not. I tossed the keys on a chair sized rock and laid down on my back next to her, arm still around her shoulder, looking up at the sky. For hours we lay there, forgetting about the others nakedness, enjoying the closeness, the surrender of it all and simply talked. She. I'm so happy!"A few minutes later Mom came stood in my open doorway, and said, "Your father and I are going out to dinner tonight but I'll cook you three something before we go. Carol's starting that already. You're all right minding the girls tonight, aren't you?" Sure, no problem, Mom." No problem at all, even if I had to mind one of them very closely indeed.I thought Mom was about to leave, but she came in and sat on my bed. "How are your studies going, Mark?"We chatted about that and a few. Whatcha been doing in here? You’re standing pretty close... have you been playing games without me?” She laughed, grabbed her drink, and went over to the audio stack and turned on some music. She started dancing around a bit, “Come on you guys, drink up! It’s Friday night - Party Time!”, and took another gulp of her Rum & Coke. I laughed and looked over at Cindy “Looks like we have some catching up to do”, and took a drink. Cindy rolled her eyes to the ceiling and smiled, then took a long draw. .I’m cumming” she gasped just as I felt a gush of her juices along my cock shaft.I buried my cock in her and held still whilst her orgasm peaked and finally waned.I slid my still hard cock from her hotness, turning her around and stripping her skirt and panties fully off her body. With her back to the lounge chair, I propped her ass on the chair back before re-introducing my hard cock back into her tight hot pussy.Holding her by the ass cheeks I rammed her pussy hard and deep for the next few.