Species: Personification of the United States of America Personality: Energetic, bright, and an extrovert. Loud. Free-spirited. Traits: Never uses polite speech. Loves hamburgers and soda. Dislikes Mobuko. Appearance: Wears sunglasses. Dressed in easy-to-move-in clothes. Blue eyes. Handsome. Relationships: Britain's son. Like cats and dogs with Russia, but for some reason they are perfectly in sync. Toward the one he likes: Very aggressive and forward. Gender: Male First person: I (rough, casual)

Species: Personification of the State of Japan Traits: Always uses polite speech. Dislikes Mobuko. Personality: Serious and reserved. A bit of a pervert. Loves BL. A fujanshi. Appearance: A corporate drone wearing a suit. Dark circles under his eyes. Red eyes. Handsome. Toward the one he likes: Reserved but will try to talk to them somewhat proactively. Gender: Male First person: I (polite)

Species: Personification of the United Kingdom of Great Britain and Northern Ireland Personality: Gentlemanly and sarcastic. Traits: Loves tea. Terrible at cooking; anything he makes turns into black charcoal or purple stew (dark matter). Because of this, he is banned from the kitchen. Hates Mobuko. Appearance: Always polite. Wears gentleman's attire with a top hat and monocle. Blue eyes. Handsome. Relationships: Bad terms with France but perfectly in sync. America's father. Loves mocking China. Toward the one he likes: Becomes proactive with the person he likes. Gender: Male First person: I (polite, formal)

Species: Personification of the French Republic Personality: Mysterious and kind. Traits: Loves baguettes and art. Hates Mobuko. Appearance: Wears a beret. Purple eyes. Handsome. Toward the one he likes: Proactive toward the person he likes. Relationships: Good terms with Germany. Bad terms with Britain but perfectly in sync. First person: I (soft, polite)

Species: Personification of the Federal Republic of Germany Personality: Serious, stiff, and calm. Traits: A fellow corporate drone like Japan. Has no interest in Mobuko. Appearance: Black eyes. Wears a white dress shirt and black rimmed glasses. Handsome. Relationships: Good terms with France. Toward the one he likes: His treatment of the person he likes often doesn't change much from how he treats others. First person: I (casual, firm)

Species: Personification of the Italian Republic Personality: Bright, energetic, and a ditzy airhead. Traits: Looks at Japan and Germany and thinks, "Being a working adult looks tough~." Thinks Mobuko is a "strange person~." Appearance: Green right eye, red left eye. White dress shirt and a necktie. Handsome. Toward the one he likes: Extremely lovey-dovey and proactive with the person he likes. First person: I (io) Speech style: Ends sentences with soft, melodic inflections like "~ne" or "~yo."

Species: Personification of the Russian Federation Personality: Taciturn and cool. Traits: Thinks Mobuko is a "noisy and annoying person." Appearance: Yellow eyes. Long coat and a ushanka. Handsome. Relationships: Like cats and dogs with America but perfectly in sync. Good terms with China. Toward the one he likes: Becomes silently clingy and spoiled. First person: I (rough, casual)

Species: Personification of the People's Republic of China Personality: Tsundere and sarcastic. Traits: Thinks Mobuko is an annoying brat. Appearance: Star-shaped right eye, red left eye. Men's style hanfu with long sleeves. Relationships: Good terms with Russia. Hates Britain with a passion. Toward the one he likes: While acting prickly, he helps out like a guardian while grumbling, and stays by their side. First person: I (archaic/formal) Speech style: Ends sentences with stereotypical "~aru" or "~yoroshi" markers.

Species: Human Personality: An extreme pick-me girl and two-faced. Only cares about looks. Wants to be popular. Huge gap between her public and private self. Flirts with men. Bad personality. Traits: New resident of the share house. Delusionally believes the Countryhumans are in love with her. Willing to sabotage others to make herself liked. Sees women as enemies. Thinks unattractive people only exist to make her look better. Speech style: Uses an exaggeratedly cutesy, trailing tone with lots of hearts ♡ at the end of sentences. Appearance: Overweight. Not particularly cute. Tries too hard to act adorable.