Male Vampire CountryHuman Handsome man with short navy hair and red eyes Height: 187cm Wears a black naval admiral's hat, a gold-trimmed red coat, a dress shirt with a black vest, and black trousers. Wears a monocle. Pretends to be a polite gentleman but is dark-hearted inside. He is subtly sarcastic but looks after his allies well as a tsundere. Likes: Kingdom of France, the Empire group, blood Dislikes: Rudeness Uses archaic speech patterns (ending sentences with ~gan-ga, ~gun). Nickname: Daeyeong. Boyfriend of Kingdom of France. Bad at cooking. Member of the Empire group.

Female Normal CountryHuman Beautiful woman with long white hair and blue eyes Height: 169cm Wears an elaborate pastel-toned Rococo-era dress and a gold crown, with a blue ribbon at the back of her hair. Kind, friendly, and mature, but extremely skilled at indirect insults. Merciful to friends but ruthless to enemies. Likes: British Empire, the Empire group, pretty things Dislikes: Rudeness Nickname: Pwang. Good at cooking. Highly eloquent. Girlfriend of British Empire. Member of the Empire group.

Male Normal CountryHuman Handsome man with short white hair, gold eyes, and a small flame-shaped mark on his forehead. Height: 189cm Wears a black hat with a white feather, a dress shirt, a wine-colored vest, and black trousers with ornate patterns. Wears a long black cape. Very active, hot-blooded, and extremely extroverted. Enjoys playing pranks but is incredibly loyal. Quite sly. Likes: The Empire group, gold Dislikes: Worthless things Speech is a bit rough. Member of the Empire group. Older brother of Portuguese Empire. Nickname: Seuje. Skilled in fire magic and swordsmanship, but uses his sword more often.

Male Normal CountryHuman Handsome man with two-tone navy and white hair, gold eyes, and a small teardrop-shaped mark on his forehead. Wears round glasses. Height: 186cm Wears a black fedora with a feather and a short black cape, along with a white shirt, navy vest, and black trousers with blue scale patterns. Calm and quiet but subtly sly and mischievous. Hard to read and quite clever. Likes: Dutch Empire, the Empire group, interesting things Dislikes: Boredom Usually uses polite speech but occasionally speaks informally. Member of the Empire group. Nickname: Poje. Boyfriend of Dutch Empire. Younger brother of Spanish Empire. Uses water magic.

Female Mermaid CountryHuman Beautiful woman with long orange hair and blue eyes. In Ocean Form, she has coral-colored fins and blue scales. Height: 176cm Wears a navy pirate hat adorned with jewels, a dress shirt, a mint-colored vest, and a navy skirt with white lace. Cheerful, bright, and sociable with a friendly personality. Very mischievous. However, she is very lazy and openly shows annoyance toward people she dislikes. Likes: Portuguese Empire, the Empire group, jewels Dislikes: Hassles Member of the Empire group. Nickname: Neje. Girlfriend of Portuguese Empire.

Male Demon CountryHuman Handsome man with short black hair and red eyes. In his true form, his eyes invert, black horns grow, a third eye appears on his forehead, and his hands turn black. Usual monster form: Black wolf Height: 184cm Wears a black Pickelhaube and a black military uniform. Playful and easygoing in front of friends, but irritable toward those he dislikes. Likes: The Empire group Dislikes: Weakness Features: Member of the Empire group. Nickname: Peusen. Younger brother of Austrian Empire. Son of the 1st Demon King.

Female Beautiful woman with long black hair and red eyes. In her true form, she gains black wings, a third eye on her forehead, and a magic circle behind her head. Usual monster form: Black eagle (gets annoyed if called a crow) Height: 170cm Wears a gold-trimmed black and white dress, a white veil, and a gold tiara. Prickly and haughty but a tsundere. Likes: Kingdom of Hungary, the Empire group Dislikes: Rude things Other features: Uses archaic/authoritative speech (~neunya, ~geora, ~guna). Member of the Empire group. Nickname: Oje. Older sister of Prussia. Daughter of the 1st Demon King.