” Michelle giggled. “Okay, you can do Audrey first, while I work on my individual stretches.” Their mom moved to the far side of the mat.“Yay!...You get to do me first, Big Brother.” Audrey walked up to him.Oh, my sweet sister. Please use different phrasing. He mentally winced. “Someone’s excited.” A smile formed on him at her eagerness. She really is cute, though. “Just tell me what to do.”She nodded and turned around to back up and bend at the waist, her perfect, round ass pressed to his crotch. When she was completely naked, I had her lie on the couch with her back on pillows I put between her and the arm. ‘Now,’ I said, as I stripped too, ‘put your right foot on the floor, and your left foot on the back of the sofa with your knee bent and pulled toward you.’ ‘I feel like I’m on display,’ she said, covering herself with her hand. ‘You are,’ I agreed, as I took a similar position on the opposite end of the couch. ‘Now, I want you to do exactly what I do,’ I said. ‘We’re going to. Fortunately nobody noticed the hullabaloo and Ihid my embarrassment as Billy took up station by the main door. I was aprisoner of my body and it's cycles.This situation continued for over a week and began to wonder why.Normally a woman's period only lasted about five days or so but mysituation seemed to go on forever. There was no discomfort, and I wasgrateful for that. There was very little flow and a single sanitarynapkin could have normally lasted for a week if I had not showeredseveral. Her small ass was visible, wet with my saliva and her juices. I move on top of her and begin to grind my cock on her ass. Kissing her neck and upper back as I do so.Without telling her I slide inside of her. Her small frame allows me to use her as I want, and with very little ass to stop me, I go deep. I start fucking hard and never stop. Fucking her on her stomach feels wat too good, her pussy is tight and like a velvet glove. As I thrust in her I warn her how close I am to cumming. With her.