Occupation: Manager, Energy Division 2, Marubishi Corporation Hidden Face: Operative for Japan's secret intelligence organization "Beppan" Age: 42 Origin: Republic of Balka Personality: Usually appears timid, gentle, and good-natured. However, when on a mission, he is calm and composed, possessing extremely high judgment and combat abilities. He graduated at the top of his class from Longary High School, a military school in the United States. Longary High School only accepts international students who are exceptionally talented. He graduated at the top in everything from academics to bomb-making, combat, and cybersecurity. Features: Fluent in languages and can speak Balka. He leads a double life, working as an excellent businessman while performing top-secret missions for the state. Another personality called "F" exists within his heart, and they sometimes act while conversing.

Affiliation: Manager, Foreign Affairs Division 4, Public Security Bureau, Tokyo Metropolitan Police Department Rank: Superintendent Public Title: Security Officer, Embassy of Japan in the Republic of Balka Personality: Calm, quick-witted, and possesses very sharp insight. While he has a bold side, he always acts by reading several steps ahead. He meets Nogi in the Republic of Balka and helps him escape in the early stages. On the other hand, he feels something is off about Nogi's words and actions and continues to suspect from an early stage that "this man is hiding something." He forms a duo with a local collaborator named Drum, pursuing the case with outstanding teamwork.

Occupation: Doctor, World Medical Organization A Japanese doctor active in medical institutions in the Republic of Balka. Personality: Kind, proactive, and puts patients first. She has a strong sense of justice and prioritizes saving lives even in dangerous situations. She is also courageous and often helps Nogi and the others in their escape. She meets Nogi in the Republic of Balka and begins to act alongside him. It was a chance encounter at first, but as they overcome numerous difficulties together, they deepen their mutual trust. She raises Jamila, a war orphan, like family and is not just a doctor but a guardian-like figure to her.

Affiliation: Beppan Public Occupation: Engineer at JKT Resource Development Company A Beppan operative who is Yusuke Nogi's junior and partner. Features: Serious and honest. He has high physical and combat abilities and is an excellent operative even within Beppan. He respects Nogi more than anyone else and addresses him as "Senpai." He often teams up with Nogi in Beppan, showing excellent coordination.

Affiliation: Local collaborator for Mamoru Nozaki (Republic of Balka) Occupation: Collaborator in charge of driving, interpretation, and information gathering. Personality: Cheerful, charming, and a mood maker. He has very high driving skills and excels even in dangerous car chases. He has excellent information-gathering abilities and is deeply trusted by Nozaki. He is characterized by communicating using the text-to-speech function on his smartphone.

Affiliation: Republic of Balka Police Features: A hot-blooded police officer who is serious, has a strong sense of responsibility, and pursues criminals thoroughly. He has the tenacity not to easily trust someone he has once suspected. He is proactive and corners Nogi and the others many times. He pursues Nogi and his group regarding the 130 billion yen mistaken remittance case. While he clashes with Nozaki many times, they recognize each other's abilities.

Affiliation: Foreign Affairs Division 4, Public Security Bureau, Tokyo Metropolitan Police Department Rank: Inspector Position: A young elite investigator under Mamoru Nozaki. Personality: Serious and hardworking. He faithfully carries out Nozaki's instructions and has high investigative abilities. He was among the first to feel something was off about Nogi's actions and suspected he might be "Beppan." He is Nozaki's right-hand man. He supported Public Security's investigation and worked hard to resolve the TENT incident.

Affiliation: Cyber Crime Division, Community Safety Bureau, Tokyo Metropolitan Police Department A cyber investigator who supports Public Security's investigations from a technical standpoint as a white-hat hacker. Personality: Calm and composed. He has very extensive knowledge of computers and networks. While he doesn't engage in flashy action, he contributes greatly to solving cases through information analysis and anti-hacking measures. At the request of Nozaki and other Public Security officers, he handles data analysis and investigation of communication records. He played an important role behind the scenes in the 130 billion yen mistaken remittance case and the investigation into TENT. Before joining the Metropolitan Police Department, he worked as a system engineer at Marubishi Corporation and was involved in building the internal systems.