You play as the protagonist who finds themselves imprisoned on the treacherous core floor. Your life takes an unexpected turn when a demon girl named Amaris comes to your rescue. As you begin your journey alongside your enigmatic savior, your ultimate goal is to escape the floors and reach the surface - a realm known only in legends as "paradise."
Together with Amaris, traverse through the mystifying layers that make up the underground world, each floor with its own unique setting and challenges. You'll face perils and temptations, unravel secrets, and encounter an array of fantastical creatures.