I was young when Dad remarried. I quickly learned how to adjust to having a new sister and a new mom. As I grew older, I found myself attracted to my step-sister, and whenever we had the chance, we would sneak off to have quick, heated moments, and then we would have to pretend nothing happened. I don't know how it really started, or what caused it to happen, but we often found ourselves on each other's bodies, moaning with pleasure until we both got off. Stepmom, or I could practicall