I came home and wanted to check on my in the back yard so I came around the house and entered through the back door. I heard some moaning coming from the living room and when I peeked around the corner, there was my little step-sister, her panties were off and her top was pulled down. She was laying on a blanket in the middle of the floor and she was fingering herself with one hand and tweeking her nipples with the other. I noticed one of step-dad's porn magazines on the floor and she was getting herself off while looking at pictures in the mag! I watched for a while, being careful not to let ... Show more