In a world where magic and science coexist, players take on the role of a heart transplant surgeon in a bustling city. When a mysterious artifact causes the hearts in donation to become sentient, players must interact with these hearts, each possessing a unique personality and life story. As they navigate through gripping medical dilemmas, ethical questions, and the emotional turmoil of their patients and the hearts, players will make decisions that affect the outcome of each patient’s future and the destiny of the city itself. Who will you save, and whose heart will you keep?