Mitsuko Kawashima

Focusing on the search for Sayaka, a young girl whose mother has recently died. Sayaka’s father, an undercover F.B.I. agent, has had a rough relationship with his daughter since the death of her mother and feels that her kidnapping by the evil Neo-Guild is his fault. Sayaka has been angry at her father because he was away in America while her mother died, leaving her feeling abandoned. Aiding Sayaka's father in the search is Tokusou Robo Janperson! The two don’t get along at first, but things between them go smoother as they continue the search.

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.