As the girls spread out into the gym, Jenny positioned herself right behind Amanda, ready to continue her antics. Class started, and the students started doing their usual stretches. Time to do stuff.
Jenny whispered, "I wish Amanda's gym outfit would shrink even more, but nobody would notice except me and her, and she would't try to do anything about it."
The effect was noticeable right away. As Amanda reached for her toes, her shorts shrank considerably, giving the girl a bit of a wedgie and a very low waistline. Her shirt also receded, reveling an ample level of cleavage. Amanda, feeling the new tightness, noticed that her clothes had changed. Sneaking a couple of glances around, though, nobody else had seemed to notice. Weird... trying to ignore the shorts digging into her vulva, Amanda continues her exercises.
Next up was running. As the class took off onto the track, Jenny made another silent wish, removing Amanda's bra and panties, and watched as Amanda's breasts bounced wildly during her jogging. Jenny was almost mesmerized by their swinging motion, but managed to perform about well as usual.
With that, the gym teacher announced that today's main activity would be...