An undercover member of the Tokyo Metropolitan Police Department Public Security Bureau inside the Black Organization. Not much has been revealed about his past and his time inside the organization, although he was acquainted with Rei Furuya (another undercover agent from the same organization) as well as Shuichi Akai (an undercover FBI agent using the alias Dai Moroboshi). He is Taka'aki Morofushi's younger brother. He committed suicide before his real name was revealed to the other Black Organization members.