It would leave the mouth open just wide enough toallow the snug fit of an erect penis to slide in and out. Detention.Two weeks. "But perhaps only for ...ne of you," explained the Nursewith a smile. "The thing is, you decide."Debbie wept first of course, as she had earned herself a singledetention at the start of her schooling. She knew just how bad itwould be.They were taken in to separate rooms and Nurse Holloway explainedwhat was going to happen. "You will each have a piece of paper on andit. I could not believe how hard he was, I was even more in shock that he hadn’t cum yet.My son’s hands were all over my naked body. Groping my tits and ass he was all over. Eventually he found my pussy and if he was surprised it was wet he didn’t act like it. With a little subtle maneuvering I rolled my hips to let him play with me a bit easier. Not sure why I did, but it definitely advanced things between my son and I.As my hips rolled his middle finger penetrated me. I groaned as it went in. He. I had been putting her off until she sent a picture of her younger sister Sophie.Sophie is seventeen, blond, a real model figure very slim with huge breasts at least an E cup which were very firm and natural.Rosie said that Sophie read her diary and knows what she had been doing and wanted to have the same.She was not a virgin but wanted me to show her how a real man makes love.The more I looked at the pictures of Sophie the more I wanted the pair of them, I knew Rosie would be great in bed. I could only imagine the scene taking place upstairs above me, the hysterics perhaps, the uncertainty, the shame ... guilt, so many possible scenarios and emotions.So involved in my fear and concerns, the most obvious and most likely thing to happen didn't even occur to me, until it did.They both came walking into my room without bothering to knock. My Aunt at once yanked on my makeshift "sheet wall" pulling it down. Which is the moment that my worst fears immediately came true. For one, there.