Jon adjusted the backpack slung over one shoulder, getting used to the weight. He would always bring his backpack to his final class so he didn't need to stop at his locker before heading home. However, it was now mostly empty. He didn't need to bother bringing home any textbooks or homework materials. He already knew everything each book had to teach and his homework would always appear when he got to class. It was perfect.
Smiling, Jon entered the his final class. He had been looking forward to this class all day. To be honest, he had been looking forward to this class all weekend. He was excited to see what Ms. Steven's, Betty's, new fetish was. As if sensing he'd arrived, the teacher stepped out of the back storage closet and made eye contact with him. The oversized fake tits she'd had on Friday were gone, replaced with her original B-cups. She subtly looked him over, her eyes pausing beyond her glasses to focus on his crotch before looking back to his eyes and giving a slight smile. Jon smiled and headed to his desk. Whatever her new fetish was, she was definitely still into him.
Jon threw his backpack under his seat and looked around the room. He shared the class with a few other students from other classes. However, the only changed students were Kelly and Molly, the rhinoceros and unicorn horned cheerleaders, and Grace. Grace was currently sitting in her desk, talking to another classmate named Jenna who was standing in the aisle next to Grace.
Jon grinned wickedly and blinked twice. The next instant, Jenna was continuing her conversation, completely oblivious to the fact that she was not normally a nudist. Although the fact that she was now naked did not strike anyone as odd, it did strike several of her classmates as appealing. Jon noticed a few of the guys, and even Betty, trying to discreetly catch glimpses of Jenna. However, they were much more subtle than Grace.
Sitting in her desk, Grace was leveled with Jenna's exposed crotch. Jon could see her newly acquired obsession for eating pussy was hitting her strong. First, her jaw seemed to open but her lips remained closed as she attempted to make more room in her mouth. This only delayed the inevitable as slowly the tip of her penis-like tongue parted her lips and extended an inch outside of her mouth. The whole time, Grace was nodding as the conversation continued, but she never took her eyes off Jenna's slit. Just as Jon thought Grace might actually lean in and start licking Jenna right in the middle of class, Betty spoke up.
"Alright, everyone. Take a seat and we'll get started. Please pass your homework forward."
Jon could see a look of relief and disappointment on Grace's face as Jenna left for her seat. Jon blinked twice, returning her clothing as he passed up the homework waiting for him on his desk and turned to face his teacher.
"... gases also react to temperature," Ms. Stevens continued to explain. "For example, if you have a car tire and then place it in a colder atmosphere, the space between the air particles will condense and the tire will begin to lose pressure. However, take the same tire and go to a hotter environment, the pressure will build as the air particles spread out. This does not happen only in sealed containers, either. This is why upper floors are sometimes warmer while basements are typically cooler."
Jon sat through the lesson barely paying attention. After all, he already knew all of the material. Instead, his focus was on Betty herself. He had tried to identify any change to her body or behavior, he had even briefly made her naked in front of the class, but he saw nothing to tip him off to her new fetish.
Jon's attention was broken as he saw a girl raise her hand. He rolled his eyes even as he heard Eric behind him mutter "This should be good." Betty noticed the hand too and removed her glasses and pinched the bridge of her nose. "Yes, Cassie, what is it?" she asked in an annoyed voice.
Cassie was not the brightest student in class. She was a nice girl, but she didn't have two brain cells to rub together. She would often have difficulty keeping up with the lessons.
"Is that what makes balloons fly?"
A few students snicker, but Ms. Stevens kept her patience. "Well, not party balloons. Hot air balloons use that principle, for example. Instead, common balloons use a gas less dense than air in order to float, like helium."
"Huh? I don't get it."
Ms. Stevens' shoulder slummed slightly. "Ok... There are gases that do not weight as much as air, like hydrogen or helium. So when they're in a light, sealed container, like a balloon, they would float. Hydrogen, however, is explosive and very dangerous. Which is in part what led to the Hindenburg."
"The guy from 'Breaking Bad'?"
Ms. Stevens sighed deeply while drooping her head. The snickers among the students growing louder. "No, Cassie. The character from 'Breaking Bad' named himself Heisenberg. The Hindenberg was a famous disaster where the gas in an airship caught on fire and it crashed."
"Is that the Led Zeppelin my dad keeps talking about?"
Jon was doing everything he could to not laugh. Some of his classmates, though, were not able to contain themselves and started laughing. Cassie turned around, oblivious to how ridiculous her questions were. "What's so funny?" she asked obliviously while Ms. Stevens had her face in her hand.
"Wait!" Cassie suddenly exclaimed, turning back to the teacher. "Does that mean the balloons at graduation could explode?!"
Now Jon did lose it, along with the rest of the class. It only got worse when Cassie added "I don't think it's funny!" over their laughter. Finally, Ms. Stevens held up her hands and the class started to die down. Behind Jon, Eric muttered "This is great. I wish the airhead would keep on going."
Flash
Jon looked at Cassie and his eyes went wide. Her neck and head were gone. In their place, was a clear balloon with eyes, nose and a mouth drawn on it. Jon couldn't move until he heard:
"And what about me? Am I going to explode?!"
Jon erupted into laughter, setting the whole class off again. But it wasn't her question Jon had laughed at. Her voice had changed along with her head, sounding like she had sucked down a whole tank of helium.
"No, Cassie," Ms. Stevens said flatly, her patience spent. "The graduation balloons and your head will not explode. They are not filled with hydrogen for that reason."
"But-"
Cassie was cut off as Brad, sitting behind Cassie pulled out a sharp pencil and unceremoniously poked her in the back of the head, popping her balloon. Jon gasped as the loud bang filled the room.
"Brad!" Ms. Stevens bellowed. "What have I told you about popping Cassie's head?" Jon watched as Cassie's headless body turned in its seat and flicked off Brad. "Cassie, do not curse in my class," Ms. Stevens instructed. Cassie turned forwards again and slumped in her chair, her arms crossed in a pout. Jon knew there was no way he could talk to her about her changes now, he was just glad she was still alive.
"Does anyone else have any questions?" Ms. Stevens asked, her voice dripping with annoyance. Jon had one. He looked at her and asked, "Betty, honestly, what's your biggest fantasy now?"
"I'm bisexual and get off on having multiple sexual partners at the same time."
Jon nodded to himself. So she wants to have an orgy... He smiled, an idea forming in his head. Jon looked at the clock. "Ms. Stevens, it's time to go," he said, breaking the trance.
She looked up at the clock and nodded. "Ok, class. See you tomorrow, if anyone has any questions," she made eye contact with Jon, "see me after class."
The classroom was empty except for Jon and the teacher, the sound of students rushing in the hall could be heard through the closed door. "I'm glad you stayed after, Jon," Ms. Stevens, Betty, cooed. She was leaning on her desk, her long legs stretching out in front of her. Her hair was up in a loose bun, making her look professional and naughty at the same time. "You've already got a perfect score in my class, so I can't raise your grade. Want me to raise something else?" She gave him a playful wink.
"Absolutely, but not here. It's a little too... public for what I was thinking." Betty smiled and stood up. "I'll get my things," she said, heading for the storage closet. As soon as she was out of sight and earshot, Jon pulled out the stone.
"I wish that when Betty steps out of that room she will be followed by two female students who would like to have a foursome with me."
Flash
Jon grinned as he put the stone back in his pocket, but he suddenly realized the flaw in his wish. He had met several girls he would not want to have a sexual experience with. What is it was Athena or Avery? He didn't like the idea of being with anyone else who had a dick. His heart sank.
What if it's Liz?!
The girl with a horse dick had already told him she wanted to to have sex with him. His jaw dropped.
Oh no... Zoe!!!
He remembered his own sister wanted him as well. He thought he might be sick. What had he gotten himself into?
Just then, Betty stepped back into the classroom. "Hope you're ready for all of us," she said. Behind her, he saw the figures of...
