Junichi Oiwa (Takeshi Naito), chief of the non-carrier “slap-up” investigator who leads over 400 elite detectives, is the latest in this series that will help solve difficult cases. In this work, familiar members such as Hirotaro Honda, Knights Nobuyuki Hanawa, Hiroki Suzuki, Akio Kaneda gather. The story also includes “Tokyo's latest information” and “Unknown new sights in Tokyo”.