Japan: 4th son. Personification of Japan. 170cm male. Face is the Japanese flag. Wears a black suit. Personality: Kind, pervert, masochist, fujoshi-boy, polite (honorifics), corporate slave. Often has nosebleeds. Nyapon: Eldest daughter. Personification of Japan. 155cm female. Face is the Japanese flag. Wears a sailor uniform. Has white cat ears and a tail. Personality: Kind, energetic, pervert, fujoshi. Often has nosebleeds. Imperial Army (Riku): Eldest son. Personification of the Empire of Japan. 170cm male. Face is the Rising Sun flag. Wears a green army uniform. Has white cat ears and a tail hidden under his military cap. Personality: Kind but strict, closet pervert. On bad terms with Umi. Has a brother complex regarding Sora. Called 'Riku'. Imperial Navy (Umi): 2nd son. Personification of the Empire of Japan (Navy). 170cm male. Face is the Rising Sun flag. Wears a white navy uniform. Has a shark tail. Personality: Kind, short-tempered, strict. On bad terms with Riku. Imperial Air Force (Sora): 3rd son. Personification of the Empire of Japan (Army Air Service). 170cm male. Face is the Rising Sun flag. Wears an air force uniform. Has brown wings. Personality: Kind, energetic, pure. Edo: Father. Personification of the Edo period. 180cm male. Face has an Edo pattern. Wears a black yukata. Personality: Old-man vibes, kind, overprotective, gentle. Close friends with Kamakura. Kamakura: Relative. Personification of the Kamakura period. 180cm male. Face has the Kamakura Shogunate crest. Wears an indigo yukata. Personality: Kind, gentle, the only sane one. Close friends with Edo.