Since the collapse of the Interstellar Alliance, the human world has gone through hundreds of years of war. During the war, different countries of mankind faced each other with swordsmen. One country after another rises, one country after another falls. After the war with the yethars, the rocafore Empire established by the rickets was destroyed. Chen Fuhang, who had thought of leading his soldiers to surrender, saw his hometown, rocafore, destroyed by the yethar people, and could not help but hate. Chen Fuhang and Chen Fuhang's comrades in arms also became Avengers, shooting revenge bullets at the translators who burned their homes.