Switching Places - Writing Prompt

What if J.K. Rowling wrote her famous series with Hermione as the main character? How does the story change if  she 's the one with the lightening bolt scar on her forehead? What would Harry be doing?

Write a story, based on Harry Potter, Cinderella, or any other book you choose where you switch the roles of the main characters.
What if, in Cinderella, it was set in the future on another planet? How would Prince Charming find his true love when she could be anywhere in the universe????

Have fun!