Other undergarments allowed (stockings etc.) but my pussy and tits have to go commando.3/ No trousers. Skirts and dresses only.4/ I must fuck a cock a...day minimum. No cock can be used on more than one day.5/ If I am bought/given something I must return this with a sexual favor. 6/ I must have photographic evidence of every encounter.7/ I score points for every orgasm I give - Hand - 3pts, Mouths 5pts, Pussy 8 pts, Anal 10pts. If they don't cum, I don't get the points.8/ I can only fuck in a. Looking steadily ahead I plucked up courage—after all, there was nothing my quartet hadn't already seen anyway. I looked away from the others, concentrating on the breathtaking panorama. I removed my bra and instantly felt the breeze as my breasts fell free. Then all I was aware of as I stripped was the exhilaration, the freedom. I felt the mountain air blowing through my hair, over my breasts, ruffling my secret—or no longer secret—hair. But why should it be secret? This was the way it should. I sucked and pulled with my tongue. I found her nub and she started to yell. Fuck, my sister is a howler. I slid back behind her, stood up, grabbed her hips and began pushing the head of my cock inside her. I teased her slowly finally pushing deeper and deeper. Fuck Me Fuck Me Dont wait, Do IT NOW . Slap slap slap. I was screwing my sis, she was pushing back against me trying to get every inch. I pushed in hard hold myself as deep as I could, my cock was throbbing but I did not want to cum. And he was stillhumping me trying to drive himself deeper. I knew hewas locked very well. Soon he stopped humping me andstood over me for a moment, his massive head overmine looking down on me. Then he stepped off me to turn. I rocked my hips andshoved toward him as hard as I could, causing aslight yelp from the dog in my mouth and causing myjaw to hurt badly, but somehow I managed to shove himjust deep enough that he spun. I felt his cock cometo a stop deep in me. I felt it still growing.