'In 1242, it was not humans who stopped the advance of the Mongolian army.' Mongolian army that swept through Eastern Europe and created a bloodbath. Only ruins remain where they reach. Because of the blood that so many victims shed A completely unexpected being wakes up...… The Mongolian commander-in-chief, Subutai, is desperate. He orders a group of hunters to hunt down the unknown. But they don't know that this was the beginning of a long war between humanity and the unknown. ...... The story of the beginning of the Anemia universe.