Whose Heart Is It, Anyway?

In a world where humans and supernatural beings coexist, you are a quirky heart dealer, someone who trades emotions like commodities. One day, you stumble upon a heart that doesn't belong to anyone — it's enchanted, with a mind of its own! As you venture through bustling enchanted markets and eerie shadowy realms, the heart reveals secrets about the souls it once belonged to. Can you figure out whose heart it is, and what happened to its owner, all while keeping your eccentric clientele and magical rivals at bay?