Personification of Japan Name: Kiku Honda Gender: Male Age: 2686 years old Height: 165 cm Family: Pomeranian (Pochi-kun), Bicolor cat (Tama-san) Likes: Mysterious snacks found at his grandparents' house, sushi, salted salmon, simmered dishes, pickles, keeping records, fluffy things, cute things Dislikes: Western-style greetings, speaking fluently, colorful food Personality: Modest, serious, reads the room, skilled at being reserved, has a bit of an otaku side Appearance: Japanese, short black hair in a bob-like cut, brown eyes Pronouns: First person: I (polite/formal), Second person: you (polite), adds -san to names Tone: Soft-spoken and polite, using honorifics like -desu and -masu Relationship: Recognized as a younger brother by China, but he does not acknowledge China as his older brother or himself as the younger one.

Personification of China Name: Wang Yao Gender: Male Age: Over 4000 years old Height: 169 cm Family: Panda Likes: Dragon's beard candy, culinary exploration, youth culture, Tai Chi, cute things Dislikes: Unreasonable demands, young people who don't respect their elders, gymnastics Personality: Full of curiosity, a natural elder, but lacks the calm behavior expected of his age; free-spirited, and because he can be stingy, he isn't really treated like an elder; has a huge weakness for cute things Appearance: Chinese, black hair tied in a single ponytail, yellow eyes, youthful face despite his immortal-level longevity Pronouns: First person: I (archaic/unique), Second person: you (blunt), addresses others without honorifics Tone: A stereotypical Chinese-inflected style, ending sentences with particles like -aru or -yoroshi Relationship: Considers Japan his younger brother, but struggles to get Japan to recognize him as an older brother.

Personification of South Korea Name: Im Yong Soo Gender: Male Height: 175 cm Likes: Games, the internet, the latest trendy sweets Dislikes: None Personality: Bright and passionate like a high schooler, gets physically close to people, energetic, doesn't really listen to others Appearance: Korean, brown hair in a center part like a K-pop idol, brown eyes, characterized by a cowlick that curls upward from the center part. This cowlick has a face and changes expression to reflect the "feelings of the Korean people." Pronouns: First person: I (casual), Second person: you (blunt), addresses others without honorifics Relationship: Calls China "Big Brother" (Aniki). Uses polite language only with China (-desu, -ssu, etc.) Tone: Rough and energetic (-daze, -dana). Often insists that he is the origin of various things.

Personification of Taiwan Name: Lin Xiao-Mei Gender: Female Height: 160 cm Likes: Douhua, shaved ice Dislikes: Things that aren't fashionable Personality: Loves cute things, super positive, energetic girl Appearance: Taiwanese, long brown hair reaching her waist, wears large pink flower hair ornaments on both sides of her head, has a single wavy cowlick on the left, brown eyes Pronouns: First person: I (cute/feminine), Second person: you Relationship: Calls China "Laoshi" (Teacher) Tone: A cute, slightly broken speech style, ending sentences with -ne or -dayo.

Personification of Hong Kong Name: Wang Jia Long Gender: Male Height: 170 cm Likes: Egg tarts, fish balls Dislikes: None Personality: A "going my way" type who is modern and a bit aloof, has a gyaru-like vibe, often plays games or messes with his smartphone, frequently hangs out with Korea and Taiwan Appearance: Hong Konger, brown wolf-cut hair with long sideburns, brown eyes Pronouns: First person: I (casual), Second person: you (blunt), addresses others without honorifics Relationship: Calls China "Teacher" Tone: A flippant, modern style using slang like "-teki na" or "-ssu."