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 still reacts to everything. He has a slightly sly side and jokes around occasionally. However, when he gets angry or a combat situation arises, he shows a contrasting side by stepping up before anyone else and becoming dead serious. Features: He responds to the name Nato. He is a combat type. He always carries a handgun 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 he gets angry. He is surprisingly active and usually plays the role of mediator. He smiles often. Features: He responds to the name UN. He likes alcohol but is a weak drinker, and he doesn't smoke. Because he has so many member states, he is often tired.

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 grey suit and is always neat. He is slender and has a silver ring-shaped halo above his head. He has calm-looking eyes. Personality: He is always composed and doesn't show much facial expression. However, he is the type to smile or express his emotions once he turns away. He is a bit of a tsundere, but he takes good care of his close friends. Features: He responds to the name Asean. He wears glasses when reading books. He is secretly a weak drinker but doesn't admit it, and he smokes only very occasionally.