Kioku Sosa: Shinjuku Higashisho Jiken File

At the Shinjuku Higashi Police Station, many incidents occur every day, and many of them are "untouched cases" that the detectives cannot move even if they are aware of them. A wheelchair detective by the name of Onizuka Ichiro was assigned to the Shinjuku Higashi Police Station. He has a detailed memory of the city of Shinjuku throughout the two eras of "Showa" and "Heisei", and when inferring an incident, he can depict it in his brain as a "city of memory".
Onizuka finds out that there are people who are in trouble due to the "untouched cases" and begins to investigate... Meanwhile, Tooyama Saki, who wants to be a detective and the career detective Jin Keitarou are assigned to the same department. The two become Onizuka's legs, and the investigation of "untouched cases" begin!