For twenty minutes, the two of us went at it. I don't even know how I lasted so long. My c**k was tingling so severely, I should have already exploded. But we kept going, diving deeper into our mutual fantasies. I knew without a doubt that Maddie was thinking about me, just as I was thinking about her. Slowly, the vision in my head began to change. And before I knew it, I was no longer thinking about the two of lying side by side, m**********g.
I was fantasizing about f*****g my sister.
My body started flailing around on my bed, simulating the motions of s*x despite being on my back. My hips thrust up and down and I pretended my c**k was penetrating her hot, wet p***y over and over. Oh god. My moans grew louder still as I drew ever closer to climax. Maddie let out short screams from down
