"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!
So you want me to go into the Dark 
and find out what's going on?
تريدني أن أذهب إلى الظلمة
وأكتشف ما الذي يحدث؟
Ich soll also in die Schattenwelt
und nachforschen?
¿Que investigue en la Oscuridad?
¿Quiere que investigue en la Oscuridad?
Vous voulez que j’infiltre l’Ombre ?
Vuoi che vada nell'Oscurità a indagare?
Quer que eu investigue em Kuragari?
Короче, мне надо
спуститься во Тьму?