Ryouta Ooshiba

His personality is unknown, due to his short role in the series. Ryota is a brave investigator who is confident in his abilities. During the confrontation with the Nutcracker, he asks his subordinates to remain calm. Also, despite the imminent death, he still transmits information about the Nutcracker to the headquarters.

He appeared to be a short young man, usually dressed in a formal suit, like other investigators. Ryota is a man with short dark hair that falls off his forehead and a wide ironic smile that never leaves his face. Wears a short beard. Like the rest of the ghoul investigators, Ryota wears a white cloak over a dark formal suit.