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Will had been waiting in the classroom for 10 minutes for class to begin. The other students simply killed time through conversation, but Will was actually intrigued by this class and wanted it to start as soon as possible. The principal then walked in and announced to the class that the Sex Ed teacher would be a substitute teacher today as their regular teacher had fallen ill. The principal placed a textbook on the desk before leaving, telling the students it would only be another few minutes before the substitute teacher showed up. More time passed and Will continued to grow impatient. Eventually, he got up and walked towards the desk. The other students paid little attention to him, but as he opened the book and began to flip through it he felt a wave of lightheadedness overtake him. He leaned against the desk as he continued to flip through the book, looking at images of sexual acts and absorbing new information about the act of mating. He suddenly stopped on a page about female anatomy as he felt a tingle begin to spread across his body. With a lurch, he grabbed the desk and braced himself against it as he began to grow.
He looked at his arms as they grew longer, cracking at the joints. His fingers elongated as his nails lengthened and became polished. His spine began to feel like a snake beneath his skin, slithering and shifting as it expanded upwards. His legs also lengthened with a crack, and soon he was standing at least a few inches taller than he was before. He watched himself grow slightly taller still as his sneakers morphed into a feminine pair of red heels. He felt his feet shift and grow to fill his new shoes, but as he looked down at his changing body he noticed that the rest of his clothes were beginning to morph. His jeans tightened as they began to transform into a pair of fishnet leggings. The skin beneath his new leggings became smooth and hairless as a tight, black skirt materialized around his waist. As the new garment completed itself, he felt a pressure beginning to build in his hips. With another loud crack, his hips jutted outwards, leaving him with a figure ready for childbearing.
As he looked at his new hips, he began to notice how feminine his body was becoming. He looked back at the textbook laying open on the desk and began to piece together what was happening. He was becoming a woman, but he had no idea why. With another look at the textbook, he realized what was coming next. He felt his underwear transform into a tight fitting thong that pushed his member against his thighs. It was extremely uncomfortable for a moment, but a sudden pulse of pleasure came from his groin as it began to invert itself. He couldn’t help but moan as his member was swallowed up by the flesh between his legs. He looked at the diagram of the female reproductive system in the textbook as he felt his internal organs beginning to shift. An alien cavern opened up between his legs as a fertile womb materialized in his abdomen. He wanted to reach between his legs and touch his new sex, but he was afraid of losing his balance if he let go of the desk. His new clit began to tingle more as his thong rubbed against his moistening pussy lips. As new ovaries began to pump hormones through his system, he shot through puberty and began to have thoughts of fucking cute guys at the club. He tried to fight his new desires, but it wasn’t long before another wave of pleasure coursed through his body that came from his chest. His shirt began to change into a revealing red top as two breasts became visible beneath his changing clothes. He moaned in a deeper feminine voice as a new bra tickled his enlarging nipples. He looked down at his new top as it tightened around his growing breasts, pushing them together and revealing some alluring cleavage. By the time his breasts stopped growing, the only thing he could think of was a man groping his boobs and teasing his neck with kisses.
He began to sweat profusely as thoughts of sex made him more excited. He wanted to fight his new thoughts, but the idea of a man overpowering him was becoming more and more alluring. He looked down at his new body again and began to appreciate how good he looked, but he also noticed strands of black hair beginning to enter his field of view. His scalp tingled as his hair grew past his shoulders. A wave of changes then overtook his face as it rapidly matured, leaving him with a face that would make any guy lust after him. His ears tickled as two earrings pierced his cartilage and weighed his earlobes down. Finally, a decorative necklace materialized and sat perfectly between his new boobs. With the physical changes finally slowing down, he let go of the desk and regained his balance. Walking in heels felt natural to him, and he noticed how much his hips swayed with each step now. He looked at the class, but it seemed that they were completely oblivious to his transformation. He curiously touched the necklace on his chest, but as his fingers made contact, a spark jumped between the necklace and his fingers and send a surge of new memories into his mind. He suddenly remembered getting his degree at university and meeting his boyfriend in college. He remembered taking education classes and applying for a job as a substitute teacher. He remembered learning about the sexual anatomy of men and women, and he had suddenly memorized everything in that textbook. The most powerful memories, however, were the new memories of her sexual adventures with all the cute boys that chased her through school.  
With a sexy smirk, the new teacher turned around and began to draw on the chalkboard. As she finished writing her notes for the class, she turned around and called the class to attention. She felt a rush as the boys in the class began to ogle her body, and even though she had a boyfriend already, she was exhilarated by people lusting after her. She sat on the desk and opened her legs slightly, teasing the boys in the class with a brief view of her crotch before crossing her legs and pushing her cleavage forward. She knew the boys were drooling over her, but she had a job to do.
“Alright class, pay attention. It’s time to open your books to chapter 1…”

:iconnikwently:
NikWently Featured By Owner Mar 20, 2017
Great story as usual! You always manage to find a way to keep each transformation original through your writing. Keep up the great work!
Reply
:iconshinpersonamaster:
ShinPersonaMaster Featured By Owner Mar 20, 2017  Hobbyist Artist
Nice one.
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Submitted on
March 19
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