"I'm not sure I understand what happened yesterday," she said, looking over at me. "But what I do know is that now I want to do it again." Really?" I ...elt my penis stiffen. It was incredible. I knew I could get a boner quick, but this was warp factor two or three!"But we can't," she said."Oh." Even I could hear the heavy disappointment in my voice.She laughed!"You make me feel so good!" she said, leaning over to push her shoulder at mine."Apparently not," I argued. "Not if you don't want to do. Previously he had thought of Abby as off limits, even going to the extent that he wasn’t even “thinking” of his little sister that way, but the last few days had done much to shatter that idea. Already he had seen Abby in her most hedonistic moments from flaunting her young body, to forcing Gwen to eat her wet little pussy out. Since then Alex had revised the way he thought of Abby and recategorized her into fair game. Hell, Abby was even willing, he imagined, so it was time to test that. He pulled out of my pussy, and told me to suck it. “Suck it baby, taste your own pussy and your sisters pussy on my cock, and you better do it as good as she did.” I started sucking him. Swirling my tongue around his throbbing cock. Licking and sucking as hard as I could. I wasn’t going deep enough for him because he grabbed my head and shoved his cock in my throat. I gagged and choked on it, and he would pull it out, I would get my breath and he shoved it back in. He pushed all the way down. In the morning I woke up, and wondered if it had all been a dream. My come-stained shirt, lying in the corner near the head of my bed, where I had tossed it before getting in, showed one thing- the part about wanking myself was certainly true, but what about the rest? I showered and put on fresh clothes for the day, and a short time later, Tina came to join me at breakfast, straight from her bed, and wearing her nightie and brunch coat.Although as usual, we talked and chattered over breakfast,.