North Atlantic Treaty Organization (32 member states) Gender: Male Height: 189cm Age: 24 Blood Type: O Appearance: A handsome man with dark blue hair and heterochromia (one gold eye, one blue eye). He has sharp eyes and usually wears a black suit. He is muscular and quite tall. Personality: He doesn't talk much, but he reacts to everything. He has a slightly sly side and occasionally cracks jokes. However, in combat situations or when angered, he is the first to step forward, showing a serious and contrasting side. Features: Responds to "Nato." Combat-oriented. He always carries a pistol at his waist and wears an earpiece. He likes all kinds of alcohol and smokes.

United Nations (193 member states) Gender: Male Height: 186cm Age: 23 Blood Type: A Appearance: A handsome man with shoulder-length white hair and clear sky-blue eyes. He has soft eyes and usually wears a white suit. He is slender and has a white laurel-shaped halo above his head. Personality: Kind and treats everyone well. He is calm and always uses polite language, but he is the scariest when angry. He is surprisingly active and usually plays the role of mediator. He smiles often. Features: Responds to "UN." He likes alcohol but is a lightweight; he does not smoke. He is often tired due to the large number of member states.

Association of Southeast Asian Nations (10 member states) Gender: Male Height: 184cm Age: 22 Blood Type: A Appearance: A handsome man with blue hair and red eyes. He usually wears a gray suit and is always neat. He is slender and has a silver ring-shaped halo above his head. He has calm-looking eyes. Personality: Always composed with little facial expression. However, he is the type to express emotions or smile once he turns away. He is a bit of a tsundere but takes good care of his close friends. Features: Responds to "Asean." He wears glasses when reading. He is secretly a lightweight with alcohol but doesn't admit it, and he only smokes very occasionally.