Jingū, a legendary empress of Japan, was a warrior-ruler, said to have been active in the third century. A wet nurse cradles her son, the future emperor Ōjin. Takenouchi no Sukune, her wizened general, holds a fan inscribed with the words “destroyer of armies,” referring to a militarily auspicious star in the Big Dipper, and a reminder that Katsushika Hokusai (1760–1849) and many of his students—including Kōsai Hokushin—were adherents of the cult of the North Star.