To survive the demons that roam this world, people have retreated behind two great barriers. At the heart of the land lies Golden Sani, surrounded by six outer cities. Kasoi and Sasoi exist in the shadow of the first wall, Soi, while the cities of Maraj, Karaj, Jaraj, and Paraj are sheltered behind the second wall, known as Raj.
Among these, Kasoi is the agricultural heart of the world. Fed by a vast network of rivers, its fertile lands produce the food and crops necessary to sustain the other cities. Because of its abundant water and rich soil, Kasoi serves as the primary hub for transporting supplies throughout the realm.