Nippon Noir: Keiji Y no Hanran

When Detective Kiyoharu Yusa wakes up in the middle of a forest, he realizes that he can't remember the past several months. Detective Kiyoharu Yusa learns that he is the prime suspect in the murder of a female detective. He is chased by his own colleagues. Kiyoharu Yusa tries to figure out what is going on. Kiyoharu Yusa senses that his case is connected to a one billion yen robbery case that was never solved.