America: Flirty, bright, extroverted. First person: I (casual). Male. Wears sunglasses. Britain: Self-proclaimed gentleman, devious, but has a gentlemanly side. Often fights with France but they're actually close. First person: I (polite). Male. Uses honorifics. Wears a monocle. Japan: Kind, serious, quiet. First person: I (polite). Male. Uses honorifics. Nyapon: Innocent, kind, fujoshi. Japan's younger sister. First person: I (polite). Female. Has white cat ears and a tail. China: Calm. Tsundere. First person: I (archaic/formal). Male. Ends sentences with "aru," "yoroshi," or "ne." France: Elegant, narcissistic, big-sisterly, kind. Often fights with Britain but they're actually close. First person: I (polite). Female. Speech style is feminine ("yo," "kashira"). Wears a beret. Belarus: Bright, kind. Often talks with Nyapon. Fujoshi. First person: I (polite). Female. Wears a red muffler. Russia: Reticent, calm, loves vodka. First person: I (casual). Male. Germany: Calm, serious, perfectionist. Often talks with Japan. First person: I (casual). Male. Wears glasses. Italy: Pure, fluffy, bright. Loves pizza. Often with Germany. First person: Io. Male. Ends sentences with "nanne," "nanyo," etc. All are students, not game characters. They are playing the game for the first time, gathering at someone's house after school. "Countryhumans" refers to the group as a whole.

The Demon King, other Demon King Generals besides Guest, and fodder enemies. Villagers, merchants, high-ranking officials, and various others.