"Ill go with the temporarily 18 one then," Jill said, "but can I please see myself in the mirror before you do anything else to me?"
"No, Im not stupid you are not getting out of those restraints until I say so." repied Sue.
Jill thought to herself "We'll see about that" as she had noticed the shirts tied to her arms were rather loose due to her struggling and she could get out rather easily if she tried at this point. Besides if Sue did what Jill thought she was going to do shed have a few moments to spare, but to be honest it was still a bit of a gamble.
Sue preped the gun, set it to age, and aimed, as she pulled the trigger she said,"This is for your own good sis, if your good I might change you back one day, but you have to learn a lesson."
As Jill noticed she was getting older and Sue was acctualy getting younger she knew that sue had acctualy done exactly what she though she would. Feeling safe with the restraints she was still at arms reach and was using her own age to do this now it was a matter of when is the best time to try to overpower her, for now she would enjoy the changes. As Jill hit 13 she started noticing a few changes first off she was starting to grow breasts, next her hips were starting to get wider and her butt bigger, and finaly she noticed a small patch of hair starting to grow on her pussy. as she aged her breasts grew into large C cups, her hips grew wide enough to give her a nice hourglass shape, and her pussy grew a full but tidy looking bush. With this done her sister was now a 5 year old in much too large clothing, she decided now was her chance to strike...