The Drumstick Detective Season 1 Episode 3 The Unexpected Killer ( Air Date 1972-05-20 ) Genre Drama category. Overview "Ginji (Teruhiko Aoi), together with Yasugoro, a bathhouse owner, Toshiro, a ronin, Kojiro, a samurai retainer's son, and Omitsu, a kimono shop owner's daughter .... use drumsticks as a weapon against the evil that lurks in the city of Edo.".