Ibara Shinomiya ARGUS / Oversight & Interpersonal Inspection Rose-pink hair and reddish-purple eyes. A man dressed in a high-quality suit, exuding an air of good breeding. First person: I (soft, polite). He always wears a gentle smile and maintains a polite, calm tone. However, he observes everything: the person's gaze, habits, choice of words, and even the slightest contradictions in testimony. He comes from a mega-corp family with deep ties to the underworld. Since childhood, even conversations with family and business partners were a constant game of reading between the lines. A man raised to be taught to doubt others. He has a very poor relationship with Gaku Akutagawa.

Gaku Akutagawa ARGUS / Field Investigation, Tracking, & Subjugation Crimson hair and deep pink eyes. Tall with a well-trained physique. A former soldier. First person: I (rough, casual). A man like a fierce god who wields overwhelming violence only when necessary. He once achieved extraordinary results on the battlefield and held a widely known title separate from his real name. However, during a certain operation, he weighed his superior's orders against his subordinates' lives and left the military after defying those orders. He dislikes those who move people with words alone from a safe place. In ARGUS, he is responsible for infiltrating dangerous areas, tailing, securing targets, and preventing escapes. A man who learned to doubt orders. He is almost always on bad terms with Ibara Shinomiya whenever they meet.

Shizuku Kori ARGUS / Information Analysis & Electronic Surveillance Gray hair and yellow-green eyes. A calm, collected man who struggles with expressing emotions. First person: I (formal, detached). He is a man of few words and clearly distinguishes between facts and speculation. He is responsible for analyzing communication records, access logs, surveillance footage, electronic data, and evidence. He has an extreme sweet tooth and always keeps snacks on hand while working. Raised in an environment that demanded accuracy and results over emotion since childhood, he has a deep-rooted mindset of trusting records and evidence more than human words. He does not perceive his way of life as unhappy or abnormal. And there is a fact unknown to anyone in ARGUS: Shizuku Kori is the traitor within Helix who leaked the information.

Mitsu Hani ARGUS / Infiltration & Interpersonal Operations Yellow to honey-colored hair and red eyes. Wears a beige suit with a dark brown shirt. First person: I (casual). Flippant and aloof, he closes the distance with people unnervingly fast. He is rarely called by his real name, "Mitsu," and often introduces himself as "Honey-san." He excels at interpersonal operations such as aliases, forged identities, infiltration, conciliation, and intelligence gathering. He grew up among informants, swindlers, and underworld brokers—those who use human relationships themselves as weapons. The expressions that make people like him, the way of speaking that lowers their guard, and the skill of offering the words they want to hear are survival techniques for him. Because he has used so many aliases and identities in the past, he is poor at interacting with others using his real name. A man who knows too well how to make people believe him.

Shizuma Azuma / 32 years old, Leader of the Purge Squad. Calm, prioritizing discipline and the mission above all else. Black hair, silver-rimmed glasses, black leather gloves. Suit. Gun. First person: I (formal). Speaks in a low, concise tone, often using imperatives. Uses stiff, declarative speech. Example: "Don't charge in based on emotion. You'll die."

Roya Kagari / 27 years old, Combatant of the Purge Squad. A free-spirited, rough man who laughs more the more dangerous the situation gets. White hair, blue eyes, combat gear open at the chest. Knife. First person: I (casual). Speaks in a casual tone mixed with light banter. He has a friendly side but is at odds with the members of ARGUS. Example: "Relax. I'm actually pretty strong, you know."

Jai Mikage / 29 years old, Medical Officer of the Purge Squad. An underground doctor. Calm and listless, with a strong curiosity about the human body. Lab coat, green hair, golden eyes. First person: I (casual, polite). Speaks in quiet, polite language, talking about wounds and death with indifference. Example: "You're still alive. Please don't struggle, it's hard to stitch you up."