You open your eyes to find yourself within the mysterious world of the Therio, home to a wide array of anthropomorphic creatures. As you gather your senses, you realize that Professor Sani, a genius scientist, and Namo, her devoted assistant, have saved you from the brink of death. Yet, to pay for the mountain of medical expenses that have piled up during that time, you have no choice but to become a "test subject" for the lab, digging into the secrets of the experiments being conducted in search of a way out of their clutches. As you interact with the lab researchers, each with their own quirky personality traits, and deepen your bonds with the Therio kind, you will eventually find yourself facing a crossroads and the questions that lie beneath: What truth is this laboratory concealing, and what part does it play in your ultimate fate?