In old centuries, Orcs lived with human beings harmoniously in the world imbued with disorders, and they stayed long with each other under any circumstances of pleasure, sadness or anger.

However, an incidence happened and led to the collapse of the world; the divine lights radiated from the heaven and black smoke roared on ground. Such wonderful scene has never been seen by anyone occurred, when raged yelling from all sides and various fighting voices, arms hitting voice and desperate calls mixed together. Blood light dyed all over the world and the world was being changed by a power. Orcs and human beings were infected, swallowed and wondered around after fight at a closed quarters. The only idea is pursuing power.