I had no say in it as who owns the pussy makes the rules but I wanted to fuck them outside too. We took the mats that we had brought, wore our clothes...and went a bit farther from the cottages where we knew no one could see us. We set our mat on the beach and stripped quickly.I lied down on the mat and aksha sat on my cock and started riding my rock hard cock. Dammy came and smothered her pussy over my face. The girls also started kissing each other. Oh, what a scene it would have been. I wished. I thought I was alone in the house, but apparently not. My bedroom adjoined my sister's room, and as I moved around I saw it was ajar ever so slightly.The door could only just be seen from where I lay as the wardrobe hid most of it. I was both scared and excited in a mixture that seemed to focus on my crotch, I was still completely naked as I moved around, the vibrator still buzzed on the bed.I pulled the adjoining door open, and immediately noted the room was empty. I stepped into the room and. She looks around at me to see what I'm up to, as though she doesn't really trust me. Sitting astride her I pour some massage oil onto my hand and her back. This I slowly work into her skin. Elizabeth moans softly into her pillow, enjoying my sure touch. My hands slide over her back. I pay special attention to her shoulders, and I'm rewarded with an appreciative sigh. I lean over and nibble her neck. My trail of kisses moves round until I can take her delicate ear-lobe in my mouth. I bite. "Stop it Harry!" I heard a voice from behind the sofa. "Don't do that," The voice said again.Without thinking I quickly moved to the far side of the couch and there much to my surprise was my sister Jackie with her blouse open and her breasts exposed. I didn't know the young man she was with."What the hell is going on here," I said angrily. "Jackie who is this guy and why aren't you wearing a bra?" I know, what a stupid question.From the looks of things I figured I arrived on the scene before.