Diane curled her fingers around it, and gripped it tight at the base. She drew her hand up and down, matching the rhythm of her mouth. Paul was gettin... double the pleasure now, and she could feel him start to pulse. She drew her lips back off his cock, but kept on rolling his skin back and forth in her hand. She saw a trace of fluid seep from the slit, and slowed right down, while relaxing her grip to a faint touch. Diane was loving the sight; Paul was breathing shallow, and she was only just. .." she said, "I'm not ready yet, either. But I'll jerk off your cock for you." I removed my hand and Missy's smaller, softer hand took its place, stroking me exactly as she'd seen me do it. I was still kneeling between Sabrina's wide open legs, and the tip of my dick was almost touching her pink, wet cunt."God, that's hot," Sabrina said. "Make him cum, Missy. Make him cum all over my little pussy." And in less than two minutes that's exactly what I did. My orgasm had been building ever since. ” I began slowly bucking my hips trying to stay in time as much as possible so as not to blow my cover. It seemed to be working. Leslie leaned her head back and let out a slight moan of pleasure. Her big Jen started giving her a shoulder rub and whispering words of encouragement to her. “That’s right Leslie. You fuck that machine.” “Don’t let me down. We need you to put on a show for us.” “You look sexy on that thing. If only your boyfriend knew.”As I looked around the room I could tell all. She likes a straightforward fuck every once in a while, but mostly we just masturbate each other, maybe every week or so. She doesn't like oral sex and doesn't like me to touch her bottom and anal sex in out of the question. That causes me to think about sex more than a man my age should.But that's enough about us. This story is about my niece, Katlin, who is still in high school. Katlin’s mom, Susan, is my wife’s younger sister. Susan’s husband, Jack was killed in Afghanistan when Katlin.