He tucked his hard prick back into his fly, zippered it up with some effort because it was pounding away, trying to escape again, and went to the door...He was surprised to find his sister standing there, smiling at him. She was wearing a short skirt and a tight-fitting blouse, and looked as impish as always."Hi, Sis--I was just thinking about you," George said."So I see," she replied, glancing down at the bulge in the front of his pants.George blushed, but grinned crookedly."Er--what brings you. I’ve worn out my last two rabbits and they are great but nothing feels quite like the real thing. None of you will mind if I take him to a back room, will you?’ ‘You aren’t taking him anywhere, unless you take us too,’ one of the ladies laughed. ‘Well maybe I’ll just have to take him right here then,’ Ashley challenged, but I could hear the embarrassment creep into her voice despite the encouraging shouts she was getting from the other ladies. ‘When are you going to share him, Lori?’ Marcia. "That's all there was to it. Are we good here, then?" There will be a punishment for you and the other boy for fighting,"Chief Delarose told me. "Once that's sorted out, you'll be free to go.It seems to be a pretty straightforward affair, so it shouldn't takelong." Great," I said, turning to go. "I'll be out in your little waitingarea if you need me again."**********************************************************************************************Chapter 03 - Day 3A sharp stab of pain. This all showed how some simple differential calculus could derive equations for the height, speed, acceleration and distance traveled of each semen spurt.Jared Reznik found himself more than just pleasantly surprised at the amount of work this one group of students had put into this task. As each of the other groups took their turn in front of the class his admiration just continued to grow and grow and grow. Even the young man that promised to calculate what it would take to ejaculate right.