Before Jeff put the device into her locker she decided to make another small change so everyone thought her name was Jess.
She then went out to the pool deck as her breasts got bigger stretching her spandex swim suit until she sported a DD-cup bust.
When everyone got on deck the teacher said "Today we are going to practice rescuing a drowning victim and how to do mouth to mouth.
The teacher then split the class into two person teams with Jess getting the newly flat chested girl she had made in the change room as her partner.
The class went on with no problem except that Jess noticed the girl that was her partner seemed to feel her up a bit when she was doing the CPR part of the test.
When the class was over the girls all headed back into the change room after a bit of time in the shower getting the chlorine off there bodies.
Jess was in the shower enjoying rubbing her body down when she started to here the girls in the change room talking loudly about the fact that someone had been in the room.
Jess went into the change room to her locker only to find that the lock was broken and her locker was open.
Jess was in a panic as she went though her locker to find not only the device missing but also her bra.
One of the other girls went and got the teacher as everyone took stock of what was missing.
The device was....