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

Tommy was walking home from work one day, and as he was passing through a park, he found a mysterious portal. He stepped through and was immediately thrown into a world of magic and adventure. He met a beautiful girl named Lily, and together they explored this amazing world. They discovered hidden treasures, defeated powerful monsters, and made new friends along the way. Eventually, they realized that this world was only a dream, but they will never forget their time in it.