When lunch was over, Matt pulled away from the table. "Hey, can anyone show me the way to the bathroom?" He said, raising an eyebrow and looking around. All the girls volunteered eagerly but he picked the one with the biggest rack. She wasn't as good looking as Susan and her friends but she'd do.
On their way to the bathroom Matt pulled the girl into a supply closet. It took about five seconds to get her to enthusiastically give up her virginity to him. For about ten minutes he made love to her, reveling in her groans as he sent her into realms of pleasure she had never felt and would never feel again unless he fucked her. Then when he was done, she scribbled down her number and gave it to him.
"Thanks baby, I'll call you sometime. You'd better get to class," he said, smacked her on the butt, and she hurried along.
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Over the course of the week the girls began to dress noticeably different. What once had been a comfortable atmosphere quickly became a highly charged sexual atmosphere as girls began parading the halls in short skirts and high heels, done up in sexy makeup. Even the female teachers (who were suddenly all younger, but nobody noticed) joined in the trend. What nobody realized was that Matt had made some significant changes.
First he'd made all the teachers girls in their early 20s. Then he'd made a mass change, making every girl in school a total bimbo. He lowered their IQs, changed their wardrobes, increased their breast size, and upped their sex drive. Suddenly pretty much the only thing all the girls in school cared about was sex (which, thanks to Matt's presence, many of them were suddenly getting). They spent a lot of time daydreaming about Matt, pleasuring themselves, and there was even some experimentation. Matt also put in a clause that everyone who gave into their sex drive and had sex would complete the change into a bimbo, her IQ plummeting, her breasts growing huge and her attractiveness rising considerably. Her sex drive would become all she cared about. The only exception was him. There was a quickly expanding new group of bimbos in the school.
The only one who noticed anything at all was Susan. For one thing Lea had become really touchy feely lately. For another Susan had had to go out and buy a whole new wardrobe--she'd formerly been a smart, conservative girl and suddenly she had this urge to dress like one of those sluts on television. She couldn't resist but she knew something was wrong because she had this pull, nearly irresistable. Finally she couldn't resist anymore. She got the girls together and she made a pretense---
"Hey, let's bring a bottle of Jack over to the new boy's room."
All the girls (dressed in dangerously low cut shirts and short skirts) enthusiastically agreed.
Matt looked up when he heard a knocking at his door. He'd been idly playing with himself. He smirked and thought, "I bet it'll be something good."
He opened the door and to his delight there were four hot, hot girls standing there, including the much desired Susan, all dressed to the nines and holding a bottle of alcohol. This WAS going to be an interesting night.
"We thought you could use some company. Wanna play a drinking game?" Lea said, and they all barged into his room.
"How can I protest?" Matt said, shrugging.
They spent the next half an hour drinking, joking, and slowly shedding pieces of clothing under the pretense that the room was getting hotter. Susan was doing her best to stay reserved but she found herself getting into it too. Finally they were all pretty decently drunk.
Kayla suddenly grabbed Matt's conspicuously hard dick. "Sooooo big! I want you inside me," she whispered in his ear, and licked the side of his face.
"What about your friends?"
In response both Lea and the fourth friend Lucy lost their bras.
"Ladies, ladies... what kind of guy do you think I am?" Matt smirked, and even as he said that he grabbed Kayla around the waist and pulled Lea in. Lea licked his hard, huge chest and moaned. Lucy gripped his penis and put a condom on it. Matt inserted his hard penis into Lea and began fucking her in earnest. They were all drunk off their asses.
As Matt fucked each of the girls in turn, Susan watched, transfixed. She was alternately turned on by the girls AND the boy. She stayed out of it while they were fucking though, staying off to the side and dealing with her mixed feelings. She couldn't believe her eyes but it seemed like the girls were changing as she watched, their breasts getting bigger, their faces hotter, their giggles more high pitched.
When they were all finished fucking all three passed out from the alcohol, leaving Susan awake and alone.