Rokkaku (六角, Rokakku) is a staff tsugumomo and member of Mayoiga who participated in the Mayoiga revolt.
In his human form, Rokkaku appears as a bald muscular man with a soul patch and hexagonal tattoos on his chest and shoulders.
Rokkaku was among the residents of Mayoiga who expressed their discontent on relying on Arumi Ashimine's divination to no results after many years.
Rokkaku was one of the residents of Mayoiga that revolted and part of the team responsible for the direct assault on Kukuri. He is the first one to attack Kukuri and immediately killed by her.