."'Baby, no, we should..." she places her finger across my lips shushing me with the other hand making me rub her ever so quickly. She grinds into my ...and thrusting up her hips and rotating them around and around becoming even wetter, her juices leaking down her bum. I inserted the tip of my middle finger at opening of her pussy and massaging the very opening and gently probing it inside her, noticing how tight and wet she was "You are so tight baby girl", I say out loud. "Yes daddy still a. Just then I heard a noise behind me and looked aroundwith my heart in my throat. It was Peter! I couldn’tmove for a moment as I looked up at him. (By the way,Peter looks like Chuck Norris, except that his hair isreddish-blonde and he’s much younger. He even wears aclosely-cropped beard like Mr. Norris.)I suddenly realized what I must look like, kneelingnaked in front of Jeff, with his erection in my hand!My face went scarlet and I jumped up and grabbed myrobe again. Jeff, meanwhile,. She began screaming "Oh yes baby give it to me. Make me cum. I love that big cock." That was all I could take as I felt the first stream of my hot cum shoot into her, followed by several more hard squirts as I pushed my cock deep into her cunt and held it there. I pulled my cock out slowly and was slapping it on her dripping wet pussy when my sister walks into the room. She looked at us and said "I knew one day I would catch you fucking one of my girlfriends. I only wish I had been here to. "I still want to be dirty." With that, she turned around and walked off, leaving me to gather my thoughts on the up coming day.I walked back to the camp site to see Cindy and Lacy engaged in conversation. Shane was prodding and messing with the fire, beer in hand. "I think I'll join ya, bud." I said as I went over to the ice chest to grab a beer."About time. These two have been bugging me with all their giggles and what not. They are being discrete about something." Shane said as he kept poking.