Wait for the guard to leave, then rush home
From Create Your Own Story
You sit in the stall for an hour, then you finally hear the guard exit. You take a peek into the bathroom. There is no one around. You step out into the bathroom, topless except for your bra and the swimsuit tied clumsily over it. You hear people outside.
You:
Requirements: This is a story about a young girl written in second person.