Claudia and Allison both prompted Shirley to join him but she hesitated.“Look, Grandma, do you want Daddy to fuck you or not?”“I never expected ...to hear that kind of naughty talk from my granddaughter.”“I’m sorry but Mom and I want to see you happy and now’s your chance to be alone with Dad.”Shirley looked to Claudia. “Who knows when you’ll get a better opportunity? There’s nothing to be shameful about. You are a beautiful, desirable woman, who needs loving and my husband is your stud to satisfy. " You might start by thanking your lucky stars that I was the first one in this morning, having arrived early to check over some details before a meeting later. You might also like to thank me for knowing more about computers than I'm generally given credit for and for making sure that all this stuff has already been deleted from the system and that no-one else in this office has, or will, see it." Thank you, madam, " I said, meaning every word."However, that is not to say there will be no. My skirt was unbuttoned and unzipped and it dropped to the ground. Then my knickers were pulled down and off.Squeezing and then spreading my butt cheeks, while I face the wall. He went about, squeezing my ass cheeks, before licking my asshole. I liked his tongue, prying into my asshole.He then forced me hard against the cold misty bricks and eased his cock into my wet and willing pussy. “Condom,” I nervously, pleaded. “Shut up bitch, I have a condom,” He growled. I looked over my shoulder. I stepped to the end of her bed for a better angle, hoping the blanket was loose enough that I could see the junction of her legs. My erection was throbbing when my eyes adjusted to the shadows under the blanket and I realized I was looking at her panties. My knees turned to water and I had to suppress the strong impulse to cum in my shorts. I stood in the dark, at the end of my sisters bed and stared at her leg and underwear, my body was shaking so hard I didn’t dare get onto the bed with her,.