Wow this is sensational I thought to myself as I felt my cock slide fully into her tight wet hole. "You feel awesome being in there Tony, God I love ...t!" I was completely overcome with love for my sister at that moment. Somehow what we were doing seemed completely and utterly right. How could expressing love for one another in this way be wrong? I thought to myself. I withdrew my cock completely so that the head was held by the lips of her vagina. I reached down and placed my fingers around. It is not fair for Daddy to say, "Your Inner Slut must make this choice." Not fair at all!Feeling a little more than put out by Daddy's decision, I stomp my feet a few times. "Damn it!" I scream, rather glad there was nobody was around to witness my bratty little tantrum."Fuck!" I think to myself. Why did Daddy have to choose today to force me to start making my own decisions?I was horny as hell and I missed Daddy holding me. I needed to be reassured and sheltered. I did not need my Daddy. Alan said he'd show me if I wanted him to. I nodded as my throat felt dry and I wasn't sure I'd get the words out! He then asked me to take my shorts and underpants off and pull my chair next to his. I felt a little nervous but also really excited and quickly did as I was asked, I stood in front of him naked from the waist down, I hardly had any pubic hair yet and my penis stood out, rigid and curved upwards. I sat down and Alan said to have a look at the magazines, which I did. He then put his. Her eyes were shut, her teeth biting down on her bottom lip.The movement of her hand under her skirt was obvious now that I looked, but from anywhere more than a few feet away I doubt anyone would have seen. Her eyes opened a little, looking in my direction, then opened wide and her hand dropped from under her skirt.I smiled and opened the door a crack. "You nearly done?" I asked with a smirk, "I need to phone the office."She looked at me, smiled a little nervously, her face reddening slightly..