The earth is plagued by Shikabane, reanimated corpses, but the Kougon Sect of the Grand Marshal School of Shingon Esoteric Buddhism has the power to fight them off. The Corpse Princesses step in as the first defense against the lurking evil, often led by young women. However, will humanity accept them as protectors despite being undead themselves? Makina, a Corpse Princess, may be the first to discover the answer.