Chuzai Keiji

Police Officer Enami Atsushi was a capable detective with MPD’s First Investigation Division. For a certain reason, he was demoted to Okutama Police Station’s Mizune Police Substation and is now well-liked and known to the local people of Okutama as “Chuzai-san.”
(Source: DramaWiki)
~~ Adapted from the novel “Chuzai Keiji: One Wo Wataru Kaze” (駐在刑事 尾根を渡る風) by Sasamoto Ryohei (笹本稜平).