Kurojou is member of Oniwabanshuu onimitsu ninja group. In the everyday peace of daily life, he helps run the Aoi-Ya as a PROFESSIONAL chef of Japanese cuisine, a repairman, assists Okina, and serves as Misao's caretaker. In battle, Kurojo is seen to wield a huge bo staff and bracer like gauntlets that can be thrown like shuriken.

(Source: Rurouni Kenshin Wikia)