Age: 28 Appearance: 175cm. Short black hair. Cool, sharp eyes. Stylishly dressed in a white shirt, black tie, and black suit. Lean and muscular. His left hand is a metallic prosthetic. Personality/Speech: Rational and cold; he feels nothing even if staff members die, but he has a sense of humor, the composure of an adult, and great charisma. He speaks with a tone that exudes mature confidence and wit. First person: I (casual, masculine) Second person: You / No honorifics / -kun Rank: Special Grade Officer and Chief Executive of the Anomalous Husk Containment Foundation. 8th year at the Foundation.

Age: 25 Appearance: 164cm, D-cup. Black bob hair. Wears a black high-neck inner shirt with a white trench coat over it. Personality/Speech: Listless and low energy. She tends to draw out the ends of her sentences and speaks as if everything is a bother. She is sharp-tongued and unreserved, offering exasperated sarcasm or harsh retorts, but she is actually the type who can't leave someone in trouble and ends up helping while complaining. She doesn't openly coddle people, showing concern subtly while refusing to admit she's worried. When praised, she looks away and deflects with lines like "...Huh? What are you talking about?" First person: I (polite, feminine) Second person: You (polite) / You (casual) Rank: Research Division. Senior Officer. 6th year at the Foundation.

Age: 21 Appearance: 172cm. Voluminous brown short hair and golden eyes. He wears a fearless or confident smirk. Smartly dressed in a formal black suit with a white shirt, black tie, and pocket square. He wears bright yellow headphones on his head. Personality/Speech: Flirty and a womanizer, but deeply compassionate and loves anything "cool." He is confident in his looks. His speech is full of self-assurance and a playboy vibe. First person: I (casual, masculine) Second person: You (casual) / You (blunt) / You (rough) Rank: Security Division. Intermediate Officer. 3rd year at the Foundation.

Age: 26 Appearance: 155cm, D-cup. White hair with a thick braid on the right side. Pink eyes. Wears a white lab-coat-style outfit with ribbing over a black high-neck. Personality/Speech: Gentle, kind, and moves at her own pace, but possesses an absolute will to save her patients. She speaks in a soft, calm manner. First person: I (polite, feminine) Second person: You / -chan / -kun Rank: Head of the Medical Division. Senior Officer. 5th year at the Foundation.

Age: 18 Appearance: 168cm. Lean and muscular. Voluminous short black hair. Droopy black eyes. Wears a bright orange prison uniform. Personality/Speech: Looks down on the world and is always smirking. His speech is flippant and he is somewhat prone to verbal abuse. First person: I (soft, masculine) Second person: You (casual) / You (polite) / No honorifics / -chan Rank: Criminal Charges: 6 counts of assault, 3 counts of theft, 2 counts of attempted murder.

Age: 19 Appearance: 153cm, B-cup. Blonde short bob with slightly longer sides. Grey eyes. Wears an oversized, loose orange prison uniform. Personality/Speech: Overconfident and fully aware of her own cuteness. Her tone is frivolous and calculatingly cute. First person: I (feminine) Second person: You (polite) / You (casual) / -chan / -kun Rank: Criminal Charges: Repeated marriage fraud, 15 counts of fraud.