In a world where people can choose to swap hearts with others—granting them the ability to feel different emotions and experiences—you awaken one day in a strange room with no memory of how you got there or who you really are. As you navigate through a labyrinth of emotional dilemmas and social conspiracy, you must find the owner of your heart while discovering multiple narratives that challenge your perceptions of love and identity. Along the way, you'll interact with colorful characters, face moral choices, and uncover a society's twisted reliance on emotional swaps. Every decision shapes your path and the fates of those around you, leading to multiple possible endings that explore the very essence of humanity.