I said I didn't care and might even shuck my trunks as well, it was HOT and we all wanted good tans."If even one of you skinny dips," Mary said, "I'm ...oing birthday suit. We all know what there is to see and I don't see where it's a sexual thing. I know Mac and I, as well as Marnie and Tucker, have been to nude beaches together in St Thomas."Now I knew that RaeAnn wouldn't skinny dip, not with a string hanging out of her pussy, so she was out. Gina, if she tried, would get such a hard ass time. "Amy continued, "But, our dad is overseas for at least another year, and some judge grandma Fiona knows gave an order in court that she has rights to extended visitation with us. Our mom couldn't fight it. Her lawyer is a friend but mom says that we don't have enough money to pay him the kind of billable hours needed to mount a full court battle."I sure don't know what all that means, but I know with dad serving in the military we are not getting paid anything like what he made on his civilian. I can see that you are.”I was mortified. Yes, he’d been fucking her, but I was still getting used to the idea, and having his sister lying next to the two of us, who were naked, and chatting was a lot to get used to. Besides, she had left the door wide open. What if Chris’s mom walked by. I’m sure she knew Chris and I had sex, but knowing it and seeing us lying in bed naked, with his sister no less, even if she was wearing clothes, would be a whole nother thing.“I just wanted to apologize to. Marcus positioned himself behind her and slowly eased his dick one inch at a time into her ass until he was balls deep, I could feel his cock pushing in against mine as we built up a rhythm, plunging her in both holes as she screamed and moaned and held onto me tight, she must of cum 3 times as we brutally ploughed her, as I felt my cock start to spunk inside her Marcus let out a cry as he erupted into my wifes arse at the same time, we held there for a moment and then all collapsed onto the.