Joker: Unforgiven Investigator (2010)

Date Kazuyoshi (Sakai) is a detective on the Kanagawa prefectural police force. During the day, he is known as a "Buddha" for his gentle personality, pouring all of his energy into resolving each case. At night, however, he transforms into a cruel punisher as his gentleness gives way to his anger towards the criminals. The series poses questions about what justice and evil truly are. Tokyograph

• First Air Date: 2010-07-13
• Last Air Date: 2010-09-14
• Total Seasons: 1
• Total Episodes: 10
• Episode Runtime: 50 min.
• Network: Fuji TV
• Directors: Masato Hijikata, Junichi Tsuzuki, Junichi Ishikawa.
• Writer: Shogo Muto