Episode 1 S01 E01

Keiko Kitagawa (as Rena Sasaki) Haruna Kawaguchi (as Kotoha Minemori) Takahiro Miura (as Yuma Kubozuka) Dean Fujioka (as Sota Kirishima) Masayuki Itô (as Shuzo Doi) Shinji Rokkaku (as Yuji Saeki) Yuko Takayama (as Ryoko Ine) Kento Shibuya (as Hasebe Noriyasu) Masanobu Sakata (as Takashi Funase) Kyoko Yoshine (as Sakura Sasaki) Kenichi Yajima (as Sasaki Katsunori) Sanae Miyata (as Sasaki Azusa) Kazuyuki Aijima (as Shiro Bando) Yuri Nakamura (as Ayane Oda) Kenta Satoi (as Fujito Toshihisa) Yusuke Santamaria (as Yoshinori Abiru) Saki Takaoka (as Yoko Yabuki) Arata Iura (as Yasuomi Suma) Yoshinori Okada (as Okao Shinya) Mayumi Oka (as Kubozuka Hitomi) Shûko (as Nana Sawayanagi)

detective based on novel or book investigation