"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!
But beneath the spot where they disappeared, 
you'll find these strange tracks...
،لكن تحت البقعة التي اختفوا فيها
...ستجد هذه الآثار الغريبة
Doch eines haben alle Fälle gemein,
und zwar diese bizarren Wagenspuren.
Donde se vio por última vez a cada uno,
aparecen unas marcas de ruedas extrañas.
Allí donde se les vio por última vez,
hay unas rodaduras extrañas.
mais leur piste respective
mène à chaque fois
ma nei posti dove sono scomparsi
Porém, no lugar onde foram vistos pela
última vez, sempre há marcas de rodas.
Единственное, на местах пропажи
остались подозрительные следы…