Please! Not While I'm in the Shower!

Harry and friends are enjoying a relaxing evening in Gryffindor Tower when all is interrupted by the arrival of a most unexpected visitor.
Disclaimer: This story is based on characters and situations created and owned by JK Rowling, various publishers including but not limited to Bloomsbury Books, Scholastic Books and Raincoast Books, and Warner Bros., Inc. No money is being made and no copyright or trademark infringement is intended.