Have you seen the map, and do you know about the next step in her plan?”“Mom doesn’t always tell me everything. I don’t know what’s next for...our family, and I haven’t seen any map. Mom wants me to fill Dad’s shoes, and she probably expects me to impregnate most of my daughters. Your daughter will be one of the first. Mom has allowed me to marry Emma, Payton, and Amber. I love you very much, Cassie, and I’d ask you to marry me if I thought that you’d accept. Though Elsa probably won’t. "Mmmmmmm fuck!" I groaned as I felt my sister’s pussy glide down onto my hard cock for the first time, stretching her open the deeper she went. "Oh god! You're so big brother!" she almost screamed as she eased up before pushing down a little further each time. My cock was throbbing, pushing her tummy out a little each time my cock slid inside her. Under normal circumstances I might have exploded right there!My hands explored her back, scratching her and pulling her on to me as she sank to the. ” “I just got off and I could drive you two home.” “I couldn’t impose that on your doc.”“You’re not imposing, I’m offering. It would be a lot cheaper than taking an Uber and with your condition a lot safer. ““Well Ok doc but only because you’re so insistent.”At this moment Kat walked in, hearing only the last sentence. “What’s the doc so insistent on?” “She volunteered to drive us home this evening, Kat.” “Cool.” “But before we go, I need to take a leak. Excuse me ladies, I’ll only be a. Mary put her arms around my neck and tightly pressed her breasts against my naked chest. Very slowly she began to rock back and forth on my lap causing my erection to grow even harder. ‘Well, would you like me to be your first?’ she asked. ‘Yes.’ was all I could manage to say. ‘Good. I was hoping you would say that. Do you have any condoms?’ Mary wanted to know. After telling her ‘no’ Mary said that was a problem because she didn’t use any other form of birth control. ‘I guess we’ll have to.