6 episodes
First episode: E1

The First Investigation Division of the Metropolitan Police Department, which is based in the Dai-Tokyo Police Station , is headed by Keiichiro Funakoshi, the Chief of the First Investigation Division . This is a department that specializes in considerations that lead to solutions. Along with Ryu Fujii , a new detective who was newly assigned for some reason , they lead to the solution of many difficult cases one after another while colliding with each other's strengths.
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6 episodes
First episode: E1Quick answers about this series, release status, and episode totals.
Investigation Division 1 first aired on October 17, 2022.
Investigation Division 1 currently has 1 season and 6 episodes.
Investigation Division 1 is ended, and no upcoming episode is currently scheduled.