Chiho Terada

A young man who showed little promise while a high school student becomes a master detective, just like his grandfather.

Ichiro Onizuka is a skilled detective who is confined to a wheelchair after being injured in an incident that occurred right before his retirement. Armed with a detailed "city of memory" in his mind, he solves modern-day cases alongside Saki Toyama and Keitaro Jin, while recalling the cases of the past.

A businessman kills his adulterous wife and is sent to prison. After his release, he opens a barbershop and meets new people, talking to almost no one except for an eel he befriended while in prison.