On Bailing Continent, the three races, humans, beastfolk, and spirits, have long stood in balance, yet conflict never ceases. Then monsters known as the Otherkin invade, and the beastfolk territories fall. With the Beast Emperor and the tribe’s sages leading the way, the beastfolk form an alliance with humanity to fight back, giving rise to the profession of Beast Tamer. Humanity, too, faces annihilation. Who can turn the tide and save the crumbling world?