Reverse "reward" II

"Hmm," said Karyn. "You're in disguises. I could make you into girls who look like your disguises... but wait a minute. I have it. Never mind the girl disguises." "What are you going to do?" said Jon. "If you think girls are so good, you can try being one. I wish that you're both in your boy clothes now..." Instantly, they looked like before. "But I wish that one of you is a girl who looks and sounds just like a boy and thinks of herself as one. I wish that this boy-like girl hasn't revealed her secret to anyone. Finally, I wish you'll go home and forget I made these wishes."