Chapter 291 Sister's Erotic Videos: Ep 15

• "Yeah, I guess," I told her. "Look, Sis, I'll do whatever you want. In fact, very willingly, but let me say one more thing." Maryanne nodded. "If someday this video were to surface somewhere, beyond yours or Mark's control, how would you explain it to your kids?" My sister just looked at me and didn't say anything for a few minutes. I wondered why the fuck I was even trying to talk her out of this.
• "I wish I could get my students to think as maturely as you do," she finally supplied, nicely avoiding my question.
• "Maybe you should try offering them what you're offering me." I smiled, trying to lighten things up. "Hey, have you tried masturbating for them?" I laughed as I leaned over and started tickling her ribs.