Although there are some local disputes in the world today, it is generally peaceful. Humanity is moving towards a new era. In the face of an unpredictable future, all countries in the world must unite and jointly cope with various challenges in the future. At the critical moment of forming a unified world government and recruiting the armies of various countries, the earth's creatures suddenly mutated and turned into countless terrifying monsters. Humanity was also affected by the mutation. At this moment, the war between humans and monsters began. Under the cruel war, world peace was destroyed. And after the war...
