Then he did it again, but this time he just thrust all the way in. I was better prepared and took a deep breath before hand. He moaned and the he star...ted fucking me slowly. I could feel his head touch my tongue and then his balls touch my chin as he used my mouth as a jackoff tool. Masquera ran down my face and my mouth salivated.He would give me short breaks but each time he fucked my mouth he did it longer, harder, and faster. At first I did not like it at all. It hurt and burned my throat. I. .." she said. "I want you to fuck me tonight." She went on before I could protest. "I know what you're going to say, that I should wait, that I should find a boy my own age." That was, in fact, what I had been about to say. "But," she continued, "I don't want to do it with any stupid boys. They don't know how to make me feel good like you do. Please, I've been thinking about it all week, and I want you to be my first."My earlier resolve evaporated. It was such a well-reasoned argument, how. “Now get over here.”She slowly moved toward me and got on the bed and took my cock in her mouth. And what a hot wet mouth it was. It felt better than I imagined. I pulled her head down till my cock hit the entrance to her throat. She gagged a little, but relaxed and let my cock enter her throat.I could not help myself, I let loose a huge blast of cum, which went directly to her belly.I was a bit embarrassed by my lack of control. But she did not stop sucking, and my cock did not go down. Her. My cock jerked and she gagged again. “Agh!”I gathered a handful of her silky hair in each hand and started to fuck her throat, making deep, slow thrusts all the way down."Agh! Agh!" Kayla gagged repeatedly but didn't stop me.Looking down at my wife’s little sister, on her knees with my cock in her throat and her hair in my hands, it didn’t take me long to shoot off. I groaned loudly, pulled her face hard against my stomach, and let my balls and prostate empty.“Cucks! Cucks!” Kayla coughed.