"Yes, Ootsuji Detective Agency" In the purple smoke lies a faint dream, and in the town, rumors swirl like smoke. Now, facing the strangeness of the "mass disappearance" bewildering society, detective Soutarou confronts it! With no witnesses and unclear intentions, the identity of the "ominous tracks" that always appear in its footsteps... In search of clues, the detective delves into the underground realm of the town called "Kuragari." There, the encounter with the black iron armored train and its commander, Tanne, will significantly shake the fate of the detective!
RIVER JURISDICTION BORDER
 MISHAKUJI RIVER
 OUGI CIVIL ENGINEERING OFFICE
 BANJAKU WARD
Flussgrenze
Control del borde del río







          Río Oshagoshi












                         Distrito Banen            Empresa de Construcción Ogi
Control del borde del río







          Río Oshagoshi












                         Distrito Banen            Empresa de construcción Ogi
Controle de Fronteira do Rio







          Rio Oshagoshi












                         Distrito Banen            Construtora Ougi             
Водная граница
река Мисякудзи
Бюро гражданского строительства Оги