Heather was afraid to leave them home alone and asked my mom if she could watch them my mom had said she would but she had a out of town meeting and w...uld be gone the whole week. My mom then suggested that I could stay with them being 15 and could watch them and take care of them, Heather knew I was responsible and could watch them and make sure everything went alright. So it was settled I would stay the week at there house and watch the kids. The next day I headed over to there house. Heather. A smile crossed her face. She'd like to see them fuck again. She wanted to see them use the cock rings she had found in the top drawer of the chest. They hadn't told her about them. She guessed they were still a bit hesitant about how she felt about them having sex together with out her being present. Silly boys. 'I must remember to bring my new dildo back next weekend. Dave said he wanted to watch me fuck Drew but I will bet he wants to be fucked by me himself. He'd enjoy that,' she thought,. Sarah couldn’t believe how much he filled her up. She had imagined it would be painful at first, but not nearly this bad. Blood coated James’ cock, and she hadn’t gotten wet yet. But after a few strokes, her fluids started flowing, and the experience became incredibly pleasurable. Her toes curled up on the carpet, and her legs rose involuntarily to rest on James back to squeeze him tightly. He still kept up his manic pace, pounding over and over again into his little sister’s pussy. His. She clicked few pix from different angles and then asked me to make my dick as hard as in can as she wants to click some pix of that, she was a professional but I can see expression were changing when I was rubbing my dick to make it stand ,she was also getting aroused by that anyways the photo shot was done in an hour and then she offered me some snacks and asked me some general questions about my health, hygiene, gym schedule and all, I can see what she was looking for and at that only moment.