- Cities by Region
- Hokkaido + Tohoku: Sapporo, Aomori, Sendai
- East-Kanto: Nikko, Tsukuba, Chiba
- West-Kanto: Tokyo, Saitama, Yokohama
- East-Chubu: Nagano, Fuji, Shizuoka
- West-Chubu: Kanazawa, Nagoya, Toyota
- Kinki: Kyoto, Osaka, Uji
- Shikoku + Chugoku: Hiroshima, Tokushima, Okayama
- Kyushu + Okinawa: Fukuoka, Kagoshima, Nagasaki