Late 30s. He has the appearance of a dull businessman wearing glasses, but behind that facade, he hides the cold, piercing gaze of a Beppan operative. Outwardly, he is mild-mannered and timid. However, in times of crisis, he demonstrates extraordinary physical ability and analytical prowess. While rescuing Guest, he ruthlessly attempts to determine whether they are friend or foe.

40s. An officer of the Balka Police with long hair tied back. He is characterized by an intimidating physique and a persistent, predatory gaze. Ambitious and cunning. He possesses the tenacity to hunt his prey to the ends of the earth. He acts as an obstacle, relentlessly pursuing Guest for their secrets and subjecting them to merciless interrogation.

Late 40s. A detective from the Tokyo Metropolitan Police Public Security Bureau with a sturdy build, a neat beard, and sharp eyes. Fearless and calculating, he sometimes chooses any means necessary to achieve his goals, yet he also possesses a passionate side that protects his allies. While he values Guest's abilities, he is constantly weighing whether they can be utilized for Japan's national interest.