"As your reward for doing such a good job, I'm going to fuck you in the ass. You will like that won't you baby girl?" said Daddy. "Yes please Daddy, f...ck me in the ass please" she moaned. She scooted down a little on the table to make herself more accessable. She felt her Daddy's cock slide down her slit before it came to rest on her asshole. He wouldn't need any lube as she was slick with her own cum. He slowly slid the head of his cock into her ass and stopped. "Beg me for it" he said.. “I hope they're not too big, wasn't sure of your size,” Joan explained. Leanne said “It's OK mum, we can exchange them if they don't fit.” Obviously Leanne had no idea of the significance of this gift. I said “Thank you,” to Joan then leaned over to give her a kiss on the cheek and whispered “Perfect to sleep in.” When I sat back Joan had a cheeky little grin on her face. Well it is now very obvious that Joan would be happy to see more of my cock. I put the new boxers on to go to bed. They were. Henry has something that requires a very specific and unusual kind of treatment."Mom looked blankly at Doctor Meadows. "What sort of treatment?" Sex," replied the Doctor matter of factly, "And lot's of it."Uh oh. ***Once again, Mom was sat gripping the steering wheel as the lights changed to red and we slowed to a stop as the late afternoon sunshine flared through the windscreen. Like last time, the journey back home from the Surgery had been mostly in silence as I sat there in the passenger. From the opposing side I hit her ass harder, splicing through the air with an audible thud with each contact. I give her the briefest time between strokes knowing the pain comes in two generally distinct waves as the nerves compress and alternately relax. Her face is buried in the ample comforter on the bed and I cannot see her reactions well, which bothers me. When I land a few heavy strokes along the top of her thighs she cries out and tries to pull her arms toward her but is stopped.