I walked to him and entered his bed. I leaned over and I kissed him. It was the best kiss I have ever had. we made out for something like five minutes... I took off my shirt and he kissed me all over my chest and he sucked my nipples. Suddenly, he grab my pants and took them off and he saw for the first time in years my penis. ‘you don’t know how many time I fantasized about your cock’ he said. He took my cock and rubbed it a little bit before kissing the tip of it. It was so good that I moaned.. " My wife's smile got a little bigger. "How long did you think you could get away with this?" I asked. "Well, she could pass all my classes since she's four grades ahead ofme," my new daughter said to us. "And I could be going to college right now if you didn't want me to live a 'normal life', so I didn't have any trouble with her school work, either. But I'm ready to swap back now. I didn't know this period stuff was so yucky and bloody and emotional." "No way!" My. The louder she moaned the more I thought about Beth watching and the closer I got to cumming. When she cried out she was cumming. I waited and then I pulled my cock out from between her lips and held it tight to her tiny hole. “Yes “she said out loud as she felt my warm cum start shooting past her tight hole. “I feel it yes, cum inside me ,yes ,yes over and over until I emptied my seed inside her. I pushed gently against her and the head moved in a little then she said “ouch” and I pulled. ’ ‘So what sort of time line are we looking at before he has reached the required standard of proficiency?’ ‘Next week.’ ‘Okay, I could accept that except for one minor little detail.’ ‘You interest me young lady,’ Grandad said to her, ‘what detail could you possibly have in mind? I can assure you that I can think of none, and I am very proficient at planning, down to the minutest of details.’ ‘That would have been true of course, until I entered upon your lives. In two day’s time your grandson.