Everything takes place in a country dominated by violence and corruption, ruled by a powerful dark organization thirsty for blood and terror, known as DARK KINGDOM. This organization has four powerful lieutenants and a supreme leader. Possessing a book from the underworld secretly grants access to this organization; each lieutenant has evil powers and a clan of warriors that allow them to control a part of the country, serving their leader. But then, the government creates brigades spread throughout the country, and the long-trained army faces this criminal organization