Karin just stared as her daughter very expertly sucked her son's cock. John never stopped stroking Kelly's head and never took his eyes off of Karin for a second the whole time Kelly sucked his cock. Karin knew she should go, that she should stop them, but how could she? She felt so powerless as she watched Kelly working John into a real state as she sucked his cock. She could feel herself getting wet as she watched. She had felt John's cock inside of her, but she had never really realized what a beautiful cock it was, at least as big as his father's if not bigger. And it...