In a world where emotions are tangible and can be traded, you play as a heart merchant navigating the bustling markets of Emotopolis. Players interact with quirky characters, each needing an infusion of a specific emotion to overcome their troubles. Through branching dialogues, you must negotiate trades, decipher clues, and unravel the emotional dependencies of the citizens. As you help them find their heart's content, you'll discover a dark plot threatening to plunge the city into a colorless void. Will you save Emotopolis or become a pawn in the heartless game?