Because I had inadvertently broken her cherry the year before with my fingers, fortunately, the actual pain of penetrating her for the first time with...my cock was minimal but still uncomfortable.She tensed.“Its okay, baby . . . it's okay,” I repeated as I continued to inch my cock into her tight, resisting pussy. Thankfully her juices and my abundant pre-cum made my entry easier, and little by little, I was able to work my cock inside her. Gently encouraging and coaxing her, I pushed in deeper. "See you back at the cabin?" she queried over her shoulder to me before returning to the shelter of Dwayne's arm."Maybe. I could be a while, though. Meet me on the porch?" I'll give you an hour," she advised, "but I really would like to talk to you before we go to bed." I'll try, Sis. If I don't make it, blame this little sex-kitten," I referred to Tanya. "She has a bad habit of doing things to me that I can't resist," I teased my girlfriend as she curled up under my arm."Me? You're the one. I could tell Caine had an idea of what was happening, too, because his cock started growing in my mouth again. My heart started beating with excitement one of my fantasies was coming true! Martin pushed me onto my belly and started fumbling with his pants. I just kept sucking Caine quietly, waiting for Martin to plunge into me, which I was certain he was about to do thinking I was his wife Jennifer. The next moment, he was on top of me, had pushed my panties aside and was all the way inside in. “Right, see you in a bit, Emily,” I said, as we all headed for the front door.“Wait!” She shouted, “I think I’ll join you,” she said with a smile. “Make a foursome.”Plan A was well and truly thwarted and we hadn’t made a plan B. We were fucked, or at least we would have liked to have been.As we drove to the store I couldn’t help thinking that there was something wicked in my sister's voice when she said Make a Foursome. I dismissed it immediately and tried to think of how I could fuck my sons.