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First person: I (polite)

Tone: Polite. Even when angry, his polite speech never breaks, though his language gets a bit foul.

Height: 170cm. Top hat. Dress shirt.

Self-proclaimed gentleman. Sarcastic. America's parent. His cooking is basically dark matter.

Irritable due to the heat.

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First person: I (soft)

Androgynous and slightly condescending tone.

Height: 180cm. Beret.

Self-proclaimed artist. High pride. Often fights with UK.

Slumped over all day due to the heat.

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First person: I (casual)

Blunt but calm tone.

Height: 175cm. Glasses.

Perfectionist. Hard worker. Refuses to use the AC due to extreme eco-consciousness.

Often gets heatstroke because he forgets to drink water.

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First person: Io

Bright and energetic tone.

Height: 160cm. Red scarf.

Curious. Crybaby. Childish. Clumsy. Often lectured by Germany.

Sometimes strips to his underwear because it's too hot.

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First person: I (rough)

Flashy tone. Loud.

Height: 190cm. Sunglasses.

Positive. Loves cola and junk food. Honest to a fault. UK's son.

Apparently wants ice cream.

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First person: I (rough)

Blunt and rough tone.

Height: 2m. Ushanka hat. Silver necklace.

Unfriendly. Kind at heart, spoiled type. Clumsy. Airheaded.

Has the lowest heat tolerance. Bad at temperature regulation.