You are at home alone when the doorbell rings. Opening the door, you see a small package on your front porch, but no one is there. The box simply has a label with your name on it. Going back inside, you open the package and find a watch and an envelope. Opening the envelope you find instructions to the watch. They read:
This watch possesses magical qualities. The watch is set on age mode, where changing the time allows for age progression and regression. By pressing the mode button, you can switch to gender mode, changing the time affects how masculine or feminine someone is. Regressing time makes you more of the opposite gender, and progressing time makes you less like the opposite gender. Pressing mode again switches the watch back to age mode. Reality changes to match these changes, and only the user can see any changes made. Good luck.
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This thing has to be fake, you think. Either way, trying it out can't hurt. Heading upstairs with the watch, you go to your room and close the door. Pointing the watch at your petite foot, you watch as you slowly regress the foot until it is a baby's foot, which looks strange on a girl.
'It actually works!" you shout, shocked at what just happened. Changing the time again you watch the foot go back to normal. Next you try something else. Changing to the gender mode, you pull out a pair of panties out of your dresser and regress the time. You watch in awe as your panties turn into boxers, becoming more masculine the farther back you push the time. By the time you stop you have a pair of loose, baggy, boxers where your panties used to be. Suddenly you feel your skinny jeans pressing against your groin area. Checking your pants, you confirm your suspicion, all your panties have become boxers. Quickly, you change your boxers to panties, relieving your groin area, and put the extra pair in the dresser.
You can't wait for the next opportunity to use the watch. Your parents are away for the day, so you decided to stay home, even though your sibling wanted you to go out with them. Knowing of the watch's powers you decide to...