The 1st Hierarchical City of Ōkoto (第一階層都市「オオコト」 Dai-Ichi Kaisō Toshi "Ōkoto"), also called as the 1st Integrated City of Ōkoto (第壱統合都市「オオコト」 Dai-Ichi Tōgō Toshi "Ōkoto"), is the birthplace of Kagura Mutsuki and serves as the headquarters of the Novus Orbis Librarium. It also homes the rest of the Mutsuki family of the Duodecim. It is situated within Canada.
Ōkoto is also called an Integrated City because the integrated headquarters of the Novus Orbis Librarium are located there.
Important people born in Ōkoto
- The 1st Hierarchical City of Ōkoto is named after the Japanese god Ōkotooshio no kami.