Kutou (倶東国; Kutou Koku) is one of the four countries in The Universe of the Four Gods. The capital city is Shunrou. A century ago, it was rivaled with Hokkan wanting the land, but later a treaty was signed to resolve the conflict. In the time of Miaka Yūki and Yui Hongo , Kutou's rival is Konan. The Kutou empire respectively lies to the east of Konan.
Like Hokkan, Sairou, and Konan, Kutou is an imperial and hereditary monarchy, having a known emperor. The ruling families and its members have been exposed in scarcity, but the Kutou Emperor is shown in the series, and Prince Hakei in the prequel.