Katelyn giggled to herself.<em>Boy, he is quick</em>, she thought. She could still feel moisture in her panties, and the thought of what her brother was doing was making her horny. She had to push these thoughts from her mind!<br/>She walked to his room, and took out the snacks she had bought for herself before handing the bag to him. "Here you go," she said with a smile. After handing him his food, she looked over to his computer screen. "What you been up to?" she asked.