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Dispatch → Factbook → Geography
Map of Hatsunese prefectures and cities - the "Twintail Islands" (retconned March 2020)
Hatsunese version | v2.0 (2017) | v1.0 (2013)
(the current map is partially inspired by this)
2021-01-15 - Moved Negishima (space center) from Parao to Minamikushi
2022-11-04 - Renamed Miraito to Miraikyo
(Autographs from KEI, Miku's original artist, on the original map from 2013)