Whose Heart Is It, Anyway?

In a world where emotions are tangible and can be exchanged, you take on the role of a quirky emotion dealer in the bustling city of Sentiment. After a botched exchange, you accidentally end up with someone else's heart, and now you must navigate a whirlwind of dramatic encounters with their feelings—love, envy, joy, and sorrow—as you try to return it before the emotional fallout tears apart the very fabric of your life. Can you decipher the clues in their heart, manage your own emotional upheaval, and solve a mystery that intertwines both your fate and that of the mysterious heart's owner?