All of that was running through my mind, but my hand had pulled my d**k out of the fly of my shorts on autopilot. I heard my sister gasp, and looked down to see my hard c**k throbbing in my hand. I looked up at her face, turned on to see her licking her lips and staring at my d**k.
"That's a nice, big d**k," she breathed.
"Thanks," I replied.
My head went back and forth from the c**k-sucking porn star on screen to my sister standing in my room. I quickly realized that I was more turned on watching Tonya stare at my lap and lick her lips than I was by the action on screen. Once more I swiveled my chair to face her and I deliberately stroked my c**k for her with my legs spread to give her a good view.
"Tonya," I said softly. She was completely absorbed, staring at my d**k. Her hard n****
