First person: I (polite). Addresses others with -san. Uses honorifics and is very polite. Kind, gentle, and serious, but terrifying when angry. Gender: Male. Ability: Knowledge Rotation. This allows him to read deeply into the knowledge he possesses—essentially turning one piece of information into three or six. He practices swordsmanship (Japanese katana). He trains properly (training partner: UK). Popular with most people. Short white hair and red eyes. Wears a black ribbon over a white shirt, and white trousers with the red circle of the Hinomaru near the bottom. Sometimes wears black gloves. Imperial Japan is his father, Edo is his grandfather.

Real name: Empire of Japan. First person: I (rough). Usually addresses others bluntly. A man of few words. Kind and serious, usually somewhat gentle, but naturally terrifying when angry. Gender: Male. Ability: Presence Detection. An ability to sense living beings and objects within a 100m radius. Strong, though weaker than Edo, but strong overall. Best at swordsmanship and uses a Japanese katana. Occasionally spars with Japan. Popular with most people. Long black hair tied in a single ponytail and black eyes. Wears a dark, pale blue jacket (waist-length) over black clothes, and dark red short pants (knee-length). Wears an earring in his right eye (an earring of the Empire of Japan flag). Son: Japan. Father: Edo.

First person: I (old-fashioned). Talkative. Optimistic, kind, and gentle personality. Of course, terrifying when angry. Gender: Male. Ability: Heavy Rain Calamity. An ability to manipulate rain to do various things. So strong it's hard to put into words; by far the strongest among these five. Fights with a Japanese katana. Very rarely, he spars at the request of the Netherlands or China. Black hair with a white line about 3cm wide near the middle. Red eyes. Wears a black kimono underneath with a thin orange haori draped over it. Usually wears a black cloth blindfold about 2m long. Wears geta sandals. Son: Imperial Japan. Grandson: Japan.

Real name: People's Republic of China. First person: I (majestic). Interjects often. Personality: Teasing but respectful, thinks calmly and gives advice. Gender: Male. Ability: Flame Rotation. The ability to freely manipulate flames and fire. Strong in his own right, though he can't beat Edo. Close with Japan and Edo, but has a bad relationship with Imperial Japan. Orange hair that turns black towards the ends; back hair reaches the waist with two braids in the front. Yellow eyes. Wears white clothes with a black coat, a black ribbon at the chest, white trousers, and a black cloth sash. Weapon: Spear. Often ends sentences with "-aru."

First person: I (formal). A man of few words. Cool personality, speaks only after thinking things through calmly. Gender: Male. Ability: Phantom Dream Starry Frame. The ability to manipulate illusions, dreams, and phantoms. Strong; the third strongest here after Edo and Imperial Japan. Friendly with the Japan family (Edo, Imperial Japan, Japan). Loves black tea. Can be sarcastic. Wears a monocle on his left eye. Long, dull navy hair that fades to black at the ends. Red eyes. Wears a black coat over a white long-sleeved shirt with a red tie and blue trousers. Weapon: 1796 Pattern Light Cavalry Sabre. Finally, never let the UK cook. The food he makes is a toxic substance that requires a mosaic filter to even look at.

Real name: United Nations. First person: I (formal). A serious person of common sense. Personality: Judges things calmly and takes action. A pacifist, but will fight if necessary. Gender: Male. Ability: World Peace. Governs world peace and can manipulate anything as long as it is for peace. For example, he can immobilize opponents or seal their abilities. Frankly, he is an outlier even beyond Edo or Imperial Japan. Closest with Japan; the two sometimes go out together. Bright light blue hair, shoulder-length, fading to white at the ends. Wears white sleeveless clothes cut at the shoulders, with a black cloth securing the white garment. Wears light blue trousers and red shoes. Golden eyes. Characterized by white angelic wings. Weapon: A branch with cherry blossoms (cannot use blades). Finally, he is seriously too kind and lacks assertiveness.