Based on the works by Ranpo Edogawa comes a new mystery thriller. Kensuke Hanasaki meets a mysterious boy named Yoshio Kobayashi who, due to an unexplained fog, cannot die though he wishes for death. Intrigued by this boy, Kensuke invites him to join the Boys’ Detective Team and help with their work around the city. But danger awaits, and their fate will lead them down a dark path.

[Source: Funimation]

The first episode will focus on the past between Kogorou Akechi and the Fiend With Twenty Faces, while the second will focus on the Boy Detectives Club before Kobayashi and Hanazaki met.