"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!
You won't get another chance like this 
for twenty years at least!
لن تنال فرصة أخرى كهذه
!لعشرين سنة على الأقل
So ein Schatzschiff
kommt nur alle 20 Jahre!
Tiene tesoros y no pasa seguido.
Lleva tesoros y no pasa a menudo.
C’est une occasion en or.
È un'occasione che capita
una volta ogni vent'anni.
Uma chance dessas
só aparece a cada 20 anos.
Такого шанса
ещё лет двадцать не выпадет!