The series follows the adventures of Sergeant Ko Ryuzo, a hot-headed and eccentric police officer from urban Tokyo who is transferred to the countryside town of Kochikame, on the island of Shikoku. Ko, also known as "Ko-chan," is a tough, rugged, and charismatic cop who often clashes with his superiors but always gets the job done. Alongside his new colleagues, including the beautiful and competent Naomi, Ko solves crimes, fights against corruption, and gets into various misadventures.
