Kyoto, Japan's former capital and the heart of samurai culture. However, now an elite samurai, once belonging to a noble dynasty but exiled from his family, unexpectedly gets drawn into events to protect the city's inhabitants. A zombie outbreak begins with the vengeance of an ancient sorcerer: using mysterious rituals and arcane elixirs, the sorcerer seeks to resurrect his family killed by the Oda Clan. These dark endeavors cast a deadly shadow over the city, pushing samurai Tenrai Oda to confront both the deep secrets of his past and determine humanity's fate. In Kyoto on the brink of destruction, Tenrai finds himself in a striking battle for both his own honor and the future of the city.