"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!
I've already got a starting point. 
The ones behind it are...
.توصلت لنقطة بداية بالفعل
...الجناة هُم
Nein, ich habe bereits eine Fährte.
Pero ya tengo más o menos
una idea de quiénes son los culpables.
Pero yo ya tengo más o menos
una idea de quiénes son los culpables.
Mais si,
Ho già una mia pista.
Não. Já temos uma suspeita,
na verdade. O culpado é...