Based on the masterpiece "Samurai Detective Onihei" by renowned historical novelist Shotaro Ikenami, the series stars Koshiro Matsumoto as Agent Heizou Hasegawa.
Based on the masterpiece "Samurai Detective Onihei" by renowned historical novelist Shotaro Ikenami, the series stars Koshiro Matsumoto as Agent Heizou Hasegawa.
