In a world where hearts are not just organs but precious commodities, you are a skilled heart broker who negotiates deals between the living and the afterlife. Set in a bustling, neon-lit city where emotions and memories can be traded like currency, your task is to uncover the truth behind a mysterious heart that has surfaced—a heart that seemingly grants the power to control an individual's fate. As you navigate through an array of quirky characters, ethics in trading, and moral dilemmas, your choices will determine the fate of both the heart and the eclectic cast of characters who revolve around it. Will you seize power or ensure justice?