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

The man had always been interested in magic and otherworldly creatures, so when he found a strange portal in his backyard one day, he knew it was something he had to explore. After unlocking the portal with a simple code, the man found himself stepping through into a beautiful, otherworldly world. Here, he met a mystical creature who offered to teach him about the portal and the world beyond. Soon, the man was discovering new magical creatures and adventures every day.