"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!
What waits inside the spectacular 
palace they left behind?
ما الذي ينتظر داخل القصر
المبهر الذي تركوه؟
… dieser alte Prunkpalast
¡¿Qué hay en el interior del palacio
que dejaron abandonado?!
¿Qué hay en el interior del palacio
que dejaron abandonado?
Découvrons l’intérieur
du somptueux palais laissé par le clan !
Cosa c'era nel palazzo che è stato abbandonato?
O que sobrou no interior do
palácio que abandonaram?!
Что ожидает наших героев в стенах
опустевшего дворца?!