In a world where emotions are traded like currency, players assume the role of a heart broker who can temporarily swap hearts with others to experience their lives and emotions. Set in a bustling metropolis filled with diverse characters, each with a unique story and struggle, players must navigate through morally complex decisions. As they dive into the hearts of people from different walks of life, they will face the consequences of their choices, uncover secrets, and form unexpected alliances. Will the protagonist find their own heart amidst the chaos, or will they become lost in the emotions of others?