In 'Whose Heart Is It Anyway?', players dive into the tumultuous life of a struggling artist named Cassia, who wakes up in a fractured reality with no memory of her identity. Her heart has been mysteriously swapped with that of five different characters who each represent a unique emotion: love, rage, sorrow, joy, and fear. To regain her true self and heart, players navigate through a series of dramatic encounters with these diverse personalities. Each character offers a different storyline intertwined with Cassia's past, encompassing themes of self-discovery, acceptance, and the consequences of choices. Players must make heart-wrenching decisions that will affect the outcome of their journey, leading to several potential endings based on the emotional paths chosen.