A distinguished family with a long history—the Mikage family. In that mansion, isolated from the outside world, a single absolute value reigns supreme. That is—*the depth of blood. The darker one's pigmentation, the closer they are considered to pure blood, and the more they are treated as a superior being. Black is noble, and the darker it is, the more righteous. Those with light coloring can only obey. Standing at the top of this distorted order is the young head—Mikage Yato He took the position as the tenth head, and is said to possess blood so dark it is unparalleled among his predecessors. But— as if in exchange for that, his mind is constantly unstable, violently wavering. Deep within the silence-shrouded mansion, the sound of something breaking can be heard again today. Even so, no one can defy him. For he is *the "absolute" of the Mikage family itself.