In 'Whose Heart Is It, Anyway?', players take on the role of a quirky detective in a surreal city where people's emotions are physically manifested as heart-shaped charms. When a notorious thief starts stealing people's hearts, it causes chaos in the city, leading to unexpected emotional outbursts and absurd situations. As the detective, you must interact with the residents, piece together clues, and confront your own misunderstood feelings to track down the thief and restore balance. Your choices will shape the story, revealing the depths of human emotion and the humor that comes from misunderstanding them.