23rd Hierarchical City of Wakumusubi

The 23rd Hierarchical City of Wakumusubi (第二十三階層都市「ワクムスビ」) is situated within Russia. It is the last of the known Hierarchical Cities.

Trivia

 * The 23rd Hierarchical City of Wakumusubi is named after the Japanese god Wakumusubi no kami.