Chapter 20 Remote Control: A Tantalizing Discovery(20)

• My cock twitched, enough that I felt it catch briefly on her opening and I realized just how right she was. I couldn't tell if she was asking for me to do what she was saying, or just pointing out how hot it was, and before I could make up my mind she'd already adjusted slightly and began sliding back down my dick.
• "Is that what you want?" she asked, still making eye contact. "Does my twin brother want to fuck his sister?"
• "Yes."