The life of a person is always full of surprises. A jerk, however, stepped into an unknown world because of the order. That is a world where the war is decided by the steel giant Kijigami, that is a world with the unimaginably beautiful female biological weapon Yin Rakshasa guided by humans. That is a world that is inextricably linked to the real world, but a thousand times more cruel. A world that only God can surpass.