"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!
The subway, the "legs" 
of the great capital city!
!مترو الأنفاق، "سيقان" العاصمة العظيمة
Die Untergrund-Eisenbahn,
der Freund unserer frommen Bürger.
El metro es los pies de los ciudadanos
de la capital imperial.
El metro son los pies de los ciudadanos
de la capital imperial.
Un chemin de fer
s’étendait sous la capitale.
La metropolitana,
le gambe della capitale imperiale.
O metrô são os pés dos cidadãos
da capital imperial.
Подземная железная дорога —
это важная транспортная артерия!