"Muriel declared, "That point is noted. We shall consult the family's doctor."Arriving home, Muriel asked Tabs, "Who is your family doctor, Tabs?" Doc...or Beattie, Muriel." Do you mind if we call him in to examine you and issue a certificate stating you are not fit to attend school?" I don't mind, Muriel. Dr Beattie is a woman doctor, so she should be sympathetic to our problems."Muriel phoned John to get his approval. "John, the school would like a medical certificate to cover Tabs' absence. Emma looked to be enjoying herself so far and had even thrown in a couple of poses of her own when Gary suddenly asked her to lose the dress.She looked at me and i winked back so she stood up and slowly began to unzip the dress and let it fall down to her feet, revealing her pale blue lacy underwear. She sat back on the bed and Gary asked her to run her hands over body which she gladly did, over her breasts, across her stomach and down to the inside of her thighs. Gary kept the camera rolling. Later she found out that it was not. But that had never been a problem for her.Soon she was very wet. She knew perfectly well what that meant. Tim's cock was very rigid and she had masturbated him for a while. He was moaning already. They moved so that she could lay down and put her left foot over the back of the front seat. She found Tim's hand poking at her pussy and then he entered with one finger and turned it around in her hole. That was very easy, because almost a year before she had. Now, something was different.That night, after we had gone to bed, I couldn’t sleep. The image of her pussy through her panties was stuck in my head. I touched my hard cock and pictured Sarah Kate in her nightshirt. I pictured my hand running up her leg under the shirt. I pictured her lips. I pictured them on my cock, the tingle of my sister’s warm soft lips pulling my cock into her mouth. I pictured her breasts, small and tight, under my fingers, my hand in her cunt, my fingers damp, my cock.