He's a member of a special military shadow unit called Hunting Dogs. He's an Ability User and he has an Ability named Priceless Tears. He has the calmest and most composed personality of the Hunting Dogs unit. He hides a fierce temper behind composed expressions, mixing them with harsh threats and remarks towards his comrades. He has a sadistic side to him in extracting information from his targets. He believes that he's the "strongest Hunting Dog" for his expertise in investigating criminals.