Suddenly a new type of pain began to surface as Dino's cock grew a knot. He slowed, and then pounded deep into her with one hard thrust after another.... Betty felt the knot grow to about the size of a large orange. Betty was crying, she had never felt something so good and so painful at the same time in her whole life.Dino kept on rapidly thrusting into Betty, as he fucked in, his thick tail would whirl like a propeller behind his heaving ass. Betty whimpered as she felt his huge cock throbbing. Your body is growing up and wants to mate and have offspring, that's what it does." But why do I look at Slater when I find him so repulsive," she asked."That simple sis," I said, "you are the end result of 4 billion years of evolution and the hard wiring in your brain is looking for the best mate so your children will be fitter and stronger than the competition, so you look for the strongest male." Yuck, I rather do it with you," she said."This is all at a very deep level," I explained, "it's. "Now, this is the clever bit," she said sorting out the various bottles she would need "we need to make you pretty without drawing attention to anything in particular. If people see someone in a dress they assume it's a girl and so as long as there is nothing to prove the opposite, then that's what they believe. I remember seeing a couple of transvestites in London once. They were quite pretty but wore fishnet stockings, really high heels and the most garish make-up you could imagine. They. She and her girls were the veterans and fully trained. Not much had remained of their old personalities, only Marsha sometimes acted up against some horrible perversion. Laura had gone from a bright and outspoken modern girl to a slave, only acting on her master’s wishes. Another month with Pedro’s finishing ‘touches’ and they were shipped out for auction. It was the last time Laura would ever hear or see any of her friends and it was a tearful event. One by one they were sauntered off on a.