Onihei HankachōOnihei Hankachō.

Onihei Hankachō (鬼平犯科帳) is a series of historical novels written by Japanese author Shōtarō Ikenami. Following the character Heizo Hasegawa in the Edo period of Japan, Ikenami wrote the first story for the December 1967 issue of the light novel magazine Ōru Yomimono published by Bungeishunjū. It was well-received and began serialization in January 1968.