In a world where emotions are harvested from people and sold as commodities, you play as a Heart Dealer who can trade hearts for memories, knowledge, and power. After a mysterious heart appears on your trade table, you realize it's linked to an ancient prophecy that suggests whoever possesses it can manipulate the emotions of others. As you delve deeper into the underground market, you navigate a web of deceit, friendship, and betrayal, meeting bizarre characters, each with their own motives. Can you uncover the true origins of the heart, or will you find yourself lost amidst the chaos of desires and ambitions? Your choices shape the story, revealing different paths that can lead to love, heartbreak, or ultimate power.