Lucas has a big day planned for you, and we have plans to stroll the park.’ A couple hours later, Victoria emerged from her room. Dressed smartly in... a white shirtwaist and dark blue skirt, she marched downstairs. There was a spring to her step and a sparkle to her eye. She passed the open door of Lucas’ office. ‘Victoria! I need to speak with you,’ Lucas called out. She stopped in her tracks. The tone of his voice made her feel the same way her old school teacher did. Commanding and thoroughly. She rose from my lap and offered me her hand.We walked the five minutes back to my house. I had barely locked the door behind me when I turned around she was on me; pressing her lips on mine, pulling my head down and held my hair in both her hands. I began to return the ferocious kissing frenzy while cupping her ass in both hands. I picked her up and sat her on the counter to my right.She then started taking my t shirt off so I helped her by raising my arm then it was my turn, luckily I have. Actually, we avoided each other. I think each of us didn't know how to react, given the circumstances. Once again, we had crossed a boundary -- the most overtly sexual boundary yet. In the past, it had all been implied. Not this time. My mother had seen me stroking away at myself, my objective: to achieve orgasm.Finally, on the third day of awkward silence, Mom knocked on the door and I covered up before letting her in.She raised an eyebrow at my shorts then walked into the room. I asked her to. After she had swallowed, she looked at me and said, "Fuck you." I thought I might have seen just a little smile on her face. To my delight, I remained hard. "That's exactly what I had in mind. You're going to fuck me. Now strip." Without any hesitation my sister started removing her clothes. Again I thought I saw that tiny smile as she cussed me out, "You're a fuckin' blackmailing asshole. I should cut your balls off." I took just a minute to admire the beauty of my sister. Her smooth.