Doors to Crime: Detectives' True Stories (Yamashita Yoshimitsu, Jitsugyo no Nihon Sha)

Tsumi no tobira : tantei jitsuwa

New Studies on Employees (Ito Jujiro, Jitsugyo no Nihon Sha)

Looking Down from Altitudes (Nagata Seiran, Jitsugyo no Nihon Sha)

Kodan Club: May Issue, Three Major Detective Mysteries Based on True Stories

Momoyama no chikashitsu : tantei jitsuwa

Hanzai jitsuwa to tanteijutsu : dairokkan no myouki

Medical Studies on the Two Sides of Society (Takada Giichiro, Jitsugyo no Nihon Sha)