I was only sixteen at the time of this story. I’m eighteen now and my name is Dan. It was winter and my sister was visiting for the holidays. It was Christmas Eve and our parents had left to shop. It was just me and sister alone. My sister, Allie, is very attractive at age 24. She is fairly small but has a nice big ass and a little chest. She had a beautiful face like myself and our whole family. She was a college graduat...