I was so excited from everything, and so very turned on, that I couldn't think. All I could do was rely more and more on instinct to try and get my sister off as she did the same to me. The longer we went, the less I felt I was succeeding at my task. April was making me feel too good and I just couldn't concentrate enough to give her the same level of care she was giving me.

There was nothing I could do to stop the slow building of my orgasm, or the complete override of all my senses and motivation. Nothing short of yanking my sister's hand...