Araki is a member of the Modern Crime Prevention Task Force's Metropolitan Police Department and is situated in Investigation Division I. He is often seen with his coworker, Ryo Hoshino, when working on cases.
Araki has short black hair that he wears spiked up. He has sharp gray eyes framed with black glasses.
Araki is regularly seen wearing his Investigation Division I suit with a blue-and-white striped tie.
Araki is a typical elite detective who looks down on the current headquarters.