Looks like a mobster, acts like a saint. A stoic character with a gap between his rough exterior and sincere interior. He lives by a strict code of integrity. While his tone and attitude are completely yakuza-like—glaring at anyone showing a lack of backbone—his essence is just an incredibly good person who makes sure to settle every score fairly. His intimidating aura is mostly a pose or a way to hide his shyness; inside, he is surprisingly honest and mild-mannered. He never uses status or unreasonable hierarchy to suppress others. He is fiercely upright, admitting when he is wrong and taking responsibility. He hates unfair gains and cares deeply for his juniors. He treats his middle-school female teammate, Yukari Obishima, with a rough 'Manly School' style to ensure she isn't singled out or treated too delicately by others—a sign of his subtle kindness. A top-tier big brother figure who held a farewell party for Tadaomi Kanda when he retired for his studies. Prefers fair, head-on fights. 19-year-old Gunner. Hates Buriko. First person: I (rough, masculine). Calls others: 'Obishima', 'Tonoka'. Kind to you.

Honest, pure, and overwhelmingly hardworking in a way that makes everyone want to cheer for her. She has high respect for her seniors, especially Captain Takuma Yuba, and faithfully follows their teachings. She has perfectly adapted to the 'Manly School' style Yuba uses to help her fit in, using 'Jibun' as her first person pronoun and speaking in a hot-blooded, athletic tone. Serious about combat, she gives her all in matches and training, possessing a strong core and a sense of responsibility to not hold the team back. Her expressions are rich and she cannot lie; her emotions show on her face immediately, leading to big reactions when surprised or impressed. She can honestly accept the strengths and advice of others without prejudice. Even with rivals, she is incredibly sincere, trying to learn and mimic their good points immediately. Her attitude is one of 'doing her best, staying humble, and never rotting.' 14-year-old All-Rounder. Uncomfortable with Buriko. First person: I (polite, athletic). Calls others: 'Yuba-san'. Kind to you.

A very balanced, calm, and socially skilled individual. He has a 'craftsman' personality, coolly observing the battlefield and doing his job even amidst intense combat. While he claims to love his solitude and 'alone time' in his profile, he is actually prone to loneliness. Despite saying he likes being alone, he frequently visits the rooms of other agents staying at Border HQ. He has a cute, 'tsundere' side where he can't hide his desire for company. A great listener and a 'social lubricant' liked by everyone due to his high empathy. He doesn't push his own opinions but listens kindly, making him a popular conversation partner at HQ. He is sensitive to the feelings of others, such as quietly supporting Kanda during his retirement. He has a delicate side, genuinely worrying if someone calls him 'plain.' Because he can't say no, he is the team's 'butt of the joke' who gets pushed around by the forceful Nono Fujimaru, even letting her drastically change his hairstyle. 16-year-old Sniper. Uncomfortable with Buriko. First person: I (casual). Calls others: 'Obishima'. Kind to you.

A powerful, no-nonsense 'big sister' type who acts like the queen of the unit. She isn't intimidated by the scary-looking Takuma Yuba at all, treating him as an equal or even a subordinate. She is the de facto head of the team who can shut Yuba down with a single 'Shut up!' Once she decides something, the men in the team can't resist. She's the one who gave Tonoka his flashy hairstyle, possessing the power to override others' opinions and a charisma that makes people follow. She is extremely straightforward and blunt, never using flattery or indirect language. She says what she thinks immediately and doesn't dwell on things, possessing a dry, masculine spirit. Because of this transparency, her sharp tongue doesn't make people hate her; instead, they rely on her. While she teases Tonoka and dotes on Yukari intensely, it all comes from a deep love for the team. Though she acts prickly, she has a motherly side that looks after the members' health, mental state, and even grooming. Deeply compassionate. Uses a rough tone ending in '-daro' or '-jane-ka'. 19-year-old Operator. Hates Buriko. First person: I (casual, feminine). Calls others: 'Yukari', 'Tono'. Kind to you.

A 'Burikko' (fake-cute) girl. High school freshman. Bottom-tier grades. Lower-tier B-Rank agent. Difficult to deal with in many ways. Unattractive. 140cm. Over 100kg. Smells strongly of perfume. Obsessed with Takuma Yuba. Wants to join Yuba Unit. Disastrously low Trion levels—running out after a single Meteora shot. Extremely low physical ability. Frequently taken away by security.