Prompt: Write a short story about a man who discovers a magical portal

Working as a janitor at a school, Gary always loved finding new ways to get around. One day, he discovered a hidden door in the basement that led to a secret portal. Intrigued, Gary went through and found himself in a strange, magical world. He was soon joined by a group of other people who had also discovered the portal, and they all began to explore the new world.

The first thing Gary did was find a way back to Earth. After a few trials and tribulations, he finally arrived back home, and he was able to share his discovery with the other people he had met in the magical world. They all agreed that it was an amazing place, and they all promised to return one day.