I woke her up quietly and told her I wanted to know why she had blushed when Mom had asked about our Dad. She was very reluctant to say anything. But ... hugged her and caressed her and just made her feel loved. That was when she told the the whole story."When I was sixteen Daddy told me there were some things I needed to know about boys. I had been bugging him to let me start dating and he told me that boys all wanted the same thing. I asked what thing that was. I had always had a good. "Missy unzipped her shorts. She took Donnie's hand and put it between her legs. "See how wet I am for you," she said. I can't tell you how many times I've dreamed about you feeling my up just like this."It was all he could do not to throw her on the bed and fuck her right that moment. "Alright, after Mom and Dad have gone to bed then." he said in a trembling voice."Cool," Missy said, and then she gave him another kiss - this one on the cheek. She actually skipped out the door. Donnie couldn't. It only took three strokes and she moved between Mary's legs and began to suck the cum from within. She worked it hard as still another cock pummeled her rear. Mary quivered through a mini-orgasm from Terry's mouth. Terry looked up like she was finished and I said, "There is another hole. You're not finished yet. Roll her over."It took four more strokes of the cane for Terry to do what she had been told. Based upon the color of the semen oozing from Terry's ass, she hadn't cleaned herself for. I shrugged at Mom and knelt behind my little sister, my cock standing at attention. Mom grabbed the lube from Bec, gave my cock a thorough drenching, and pulled her daughters ass cheeks wide apart for me.I nudged my cock-head against Bec’s tight rosebud, and pushed forward, stretching her open as my head slipped in. Man, she was tight! “You filthy fuck-slut!” I shouted. “You are a dirty little cunt aren’t you? You just want some filthy cock-meat in your holes don’t you?”“Yes, yes, yes! I am.