Kiichirō Wakayama is a yakuza boss and one of the tattooed convicts who escaped from Abashiri Prison. His background as a crime syndicate leader informs his position within the criminal underworld of Hokkaido during the series' events. Regarding his personality, specific details are not documented. His primary motivation is tied to his status as one of the escaped convicts, each of whom carries a portion of a map to a hidden stash of Ainu gold tattooed on their bodies. This makes him a participant in the overarching conflict for the treasure. His role in the story is as one of these tattooed prisoners, placing him among the numerous escaped convicts that various factions, including the Seventh Division and Hijikata Toshizo's group, seek to capture or eliminate to obtain their tattooed skin. Regarding key relationships, there is no documented information. Similarly, no specific details about his character development throughout the story or his notable abilities have been documented.