Tsukumo Ryusuke is a quirky, yet brilliant neuroscientist working for the National Research Institute of Police Science. Wielding a unique perspective and psychology, Tsukumo tackles the nation's most baffling crimes and scandals, going head-to-head with the most brilliant and twisted criminal minds. But his eccentricities and poor social timing can also aggravate people and circumstances, further complicating matters.
Makita Mitsuharu, Morishita Yoshiko
Ishimaru Akihiko, Iyoda Hidenori
Fukuzawa Katsuo, Hirakawa Yuichiro, Yamamuro Daisuke