I think they were Sammy's. "Do it now" he said to my other friend's Daddy. I started to fuck me even harder now, spanking my big ass, I felt his cock ...ense right up and then begin filling my ass with cum, moaning loads as he did, there was a lot. He then slipped out and Sammy's Daddy went in, doing exactly the same. My ass was filled with cum. Thos panties brought in was then put on me, they were tight, my ass bulged out around the bottoms and they were so tight to my pussy it showed my tight. She said, "I want to tell Mack about my past before he goes home tonight. I want you two with me for support. Mack, I want you to listen until I finish. Okay?"He nodded, suddenly looking somber. She began, "Poppa and Mom are called that by me for a reason. My parents are living but are both in jail for many, many more years. It started when I was a toddler and continued until they were caught. If they hadn't slipped up and I hadn't had an alert teacher, I'm not sure if it would have ever. After a while, she came and slept as well.She was facing the other direction and her ass was facing my direction. I couldn’t take my mind of what I just saw. I was already hard and my cock was aching and twitching. At that moment, I had so many dirty thoughts about my sleeping sister – about how I wanted to submerge into her. I tried to get my mind off but couldn’tThen suddenly she moved a bit and slipped the blanket. Her tight big round ass was completely visible to me now. And it was a. “FUCK!!! You’re gonna make me cum again with your tongue UP MY ASSHOLE!!!!”She did, coming hard, snapping her lush hips back into my face, slapping it with her pounding butt, the flesh of her cheeks splashing into my nose and mouth and probing tongue. She came harder then she’d cum before as I digitally got her off while pushing my mouth tight to her rectum and flutter fucking it with my long, anxious tongue. She came for a full minute, snapping and writhing, before settling down to a mere butt.