Sasaki Kenji is one of the main protagonists in A.D. Police: To Protect and Serve. His partner in the series is Hans Kleif.
Kenji is a lone wolf who refuses to work alongside anyone, believing that he can do anything on his own. Recognized among the A.D. Police force due to his superior vision and reflexes, his only major falling is his tendency to put his partners into unnecessary danger. He is the strong, silent type but begins to open up gradually thanks to his girlfriend, Kyoko, and his partner, Hans.