Nippon Noir ~ Keiji Y no Hanran

Yusa Kiyoharu (Kaku Kento) from the Tokyo Metropolitan Police Department is a cool-headed detective who is in charge of investigations on the frontline and will do whatever it takes to achieve his objectives. One day, when he wakes up in a forest, he finds a gun in his right hand, and a dead female detective, Usui Kaoru (Hirosue Ryoko), lying beside him … … This woman was his superior. Did he kill her or was he set up by someone? There is a gap of several months in his memory. Yusa’s buddies turn enemies overnight and he is pursued as a murder suspect. His only partner is a boy who is the female detective’s only son, Katsuki (Tanoi Ken). Eventually, the case gets linked with the truth of the unsolved 1 billion yen heist.

Synopsis: JDrama Weblog