“Tonight...I am going to give you the fuck of your life!” Marcus smiled and kissed her passionately again before we sat down to eat. After supper...we went to watch television and as usual they had the couch and I sat on the love seat. Nobody had any idea what we were watching as they were entwined in passion, their hands were all over each other. I did get some great views of her legs though as they were moving around on the couch. It was around nine o’clock that they could stand it no longer. Terri and Alice both stared at her, and Terri spoke for both of them. "We hacked Daddy's site blocker two years ago. We've been watching R and XXX rated movies ever since. We don't need you to tell us anything about sex. The Internet is replete with articles describing in detail various aspects of making love. We're just waiting until we're old enough to date. According to what we understand from our reading, one man could not possibly make love to..."But Selina abruptly interrupted. "That is. She just kept quite. Once we reached that flat, which was located in an apartment complex right besides the SSGC Head Office at Hassan Square, we sat in the drawing room for some time and did some chit chat. Strangely she was wearing a T Shirt and Jeans below her Chaddar. Since I am a tall big man, I found her quite small for myself, as she was I think hardly 5 feet or 5 feet 1 inch tall. All of a sudden I got up, held her both hands and helped her stand too and then pressed her against my. I knew it was a risk. Our mom was sitting just feet away, but I couldn’t help it. I thought we were getting away with it. I started being more and more bold, throwing caution to the wind as I felt her virgin asshole wrapped about my dick.It had backfired.“Well?” my mother demanded, staring at the cock thrusting up from the folds of my pussy. “What is going on? Why were you fucking your sister with... ?”Her words trailed off. She licked her lips, tasting my futa-cum. Her eyes widened. It was.