Onihei The historical novel series depicts Heizou Hasegawa, who metes justice on wrongdoers and supervises the crackdown on arsonists and robbers in Japan's Edo period (1603-1868). Details Casts Galleries Posters Season Lists Title Onihei Genres Drama Animation Crime First Air Date 2017-01-10 Last Air Date 2017-04-04 Episode Runtime 00 Hours 24 Minutes Total Season(s) 1 Total Episode(s) on All Seasons 13 Runtime 24 Production Companies Studio M2, TMS Entertainment Kenyu Horiuchi... Heizō Hasegawa (voice)... Junko Iwao... Hisae (voice)... Daisuke Namikawa... Tatsuzō (voice)... Romi Park... Omasa (voice)... Sayaka Senbongi... Ojun (voice)... Hidenobu Kiuchi... ... Nobuhiko Okamoto... ... Yoshimasa Hosoya... ... Kiyomitsu Mizuuchi... ... Kenji Hamada... ... Shozo Iizuka... ... Hideyuki Tanaka... ... Original Size (1920x1080) Original Size (2560x1440) Original Size (1280x720) Original Size (1280x720) Original Size (720x1080) Original Size (640x905) Original Size (642x898) Original Size (680x1000) Original Size (1064x1596) Original Size (500x750) Season 1 13 Episode(s) 2017-01-10