Genius investigator Keith Flick rejoins the royal police force just as serial killer 'B' emerges. Mysterious youth Koku may be an ally, or a target. Hiroaki Hirata, Yu Kitada, Makoto Awane, Kazuya Nakai, Mitsuki Saiga, Yuki Kaji, Toshiyuki Morikawa, Nozomi Kameda, Ami Koshimizu, Kaito Ishikawa, Toshiyuki Toyonaga, Atsushi Goto, Shintaro Tanaka, Hiroki Touchi, Minoru Inaba, Asami Seto, Satomi Sato Added on Netflix 2018-10-02. Youtube Trailer