The detectives are asked to take care of a cursed medal that brings misfortune upon its owner. Will they be able to survive the series of misfortune that falls upon them?
But at least it came off, Kou-chan.
Aber das Ding ist ab, Kou-chan.
Pero me alegro de que te lo 
hayas podido quitar, Kou-chan.
Pero me alegro de que te lo 
hayas podido quitar, Kou-chan.
Au moins, tu as pu l’enlever.
Mas não está contente,
Kou? O medalhão saiu!