While on a bathroom break, Karyn pulls the stone out and decides to make Jon's day a little more difficult.
"I wish that I could see the track on this mirror, like a monitor. There will be no change to reality and it will disappear in a few minutes."
The image appears and Karyn see's Jon running and wearing a set of female gym clothes. Then she realizes he isn't wearing the complete set. He was missing the sports bra. A big, mischievous grin appeared on Karyn's face.
"Let's see how he does with a little more jiggle. I wish until I wish otherwise, Jon will gradually over the next minute turn into the very, very buxom girl others already see her as. She has the biggest breasts and butt in the school, which are both very difficult to run with. I wish she also notices the change."
Jon felt an odd tingle. Suddenly, his shorts felt a little more comfortable. An odd sensation, almost airy. That's also when he noticed his run had become different. A look down had shown him that he was no longer a he. She saw no outline of her penis and her legs were now longer and cleanly shaven. As her hips widened her butt then began to fill out the shorts which is when she saw the size on it. XL. She was still skinny but her butt was really large. The edges of the shorts dug into her soft skin.
Her waist contracted a few inches as her stomach became flat. Giving her curves some girls would kill for.
Her chest then ballooned out. It was weird having breasts in the first place, but ones so large. They quickly passed natural proportions for her age and ended at an H cup. They stuck out of her tank top and jiggled around annoyingly. Maybe she should've worn the bra.
Jon's face felt like jelly as it went through a few changes, becoming smaller and a little bigger in the right places. It ended with blonde hair covering her vision until it did itself up in a neat pony tail.
Karyn was trying hard to hold back her giggles in the washroom.
Jonnie realized that with these new 'enhancements' she has become the last in the jog. The other girls giggle as they pass by her.
The up and down, left and right motions were making her very annoyed and frustrated.
After what seemed like hours she had finished. She realized her new body was also weaker, resulting in energy loss being very fast. Much faster than normal with these huge things bouncing about.
"Jon, you know it's required to wear proper undergarments, go to the locker room at this moment."
She jiggled her way through the gym doors, her nipples became noticeably erect as a sudden gust of cold air went past her. Worst of all, a phys ed 12 boys class was using the gym which was on the way to the locker room.
She blushed from all the eyes looking at her. She had to walk because any quick movments would cause them to go crazy. She held them with crossed arms walking past. But that didn't stop her lovely large and round butt to stop jiggling. The spandex nearly acted like skin it was so soft from being stretched so far.
Finally she made it to the locker room where she found her bra once again and took off her top to put it on.
