Tsūkai! Kōchiyama Sōshun
is a Japanese television jidaigeki or period drama that was broadcast in 1975–1976. The lead star is Shintaro Katsu, his older brother Tomisaburo Wakayama also appeared in the episode5,7,25.
Kōchiyama Sōshun is a serves as a cha-bōzu (He is kind of tea man) in the administrative headquarters of the Tokugawa shogunate but he works behind the scene to protect powerless people from evil power of Tokugawa shogunate. Kaneko Ichinojō and Ushimatsu work for Kōchiyama.