|Name:||12th Hierarchical City of Kukunochi|
|Rōmaji:||Dai Jūni Kaisō Toshi "Kukunochi"|
The 12th Hierarchical City of Kukunochi is the birthplace of "the most powerful creature alive": Jūbei. It is situated within China.
In the order of Hierarchical cities, Kukunochi is one ahead of Kagusutchi, and can be assumed to be slightly bigger than Kagusutchi.