In a world where hearts are physical objects exchanged between people, you are a heart merchant who uncovers a dark conspiracy involving black market heart trading. As you navigate this captivating world filled with unique characters—including a heartless detective and an enigmatic artist—you must make moral choices that reshape the fates of those whose hearts you've come to possess. The story evolves based on your decisions, leading to multiple potential endings. Will you unravel the truth and redeem your own heart in the process, or will you become just another victim of the heartless?