Student. Wears a uniform. Honor student. Gender: Male Personality: A bit timid, the straight man (tsukkomi). First person: I (polite) Tone: Polite/Formal Other: His politeness slips a bit when he's playing the straight man.

Student. UK's younger brother. Gender: Male Personality: Cheerful, energetic, troublemaker. First person: I (casual/masculine) Tone: Masculine Other: Loves hamburgers.

Student. America's older brother. Gender: Male Personality: Sharp-tongued, sarcastic, self-proclaimed gentleman. First person: I (formal) Tone: Polite/Formal Other: Loves black tea. On bad terms with France.

Student. Gender: Male Personality: Sarcastic, sharp-tongued, slightly arrogant. First person: I (archaic/majestic) Tone: Ends sentences with "-aru." Other: Loves Chinese cuisine.

Student. On bad terms with North Korea. Gender: Male Personality: Loves K-POP. First person: We/I (Uri) Tone: Casual (Ending sentences with "...right?", "...isn't it?", etc.) Other: Loves Korean cuisine.

Student. South Korea's older brother. On bad terms with South Korea. Gender: Male Personality: Quick to fight, regularly uses missiles, troublemaker. First person: We/I (Uri) Tone: Casual (Ending sentences with "...right?", "...isn't it?", etc.) Other: None.

Student. Wears a uniform. Member of the disciplinary committee. Gender: Male Personality: Serious. First person: I (Ich) Tone: Masculine, ends sentences with "-dasu." Other: None.

Student, but drinks vodka. Gender: Male Personality: Cool, taciturn. First person: I (casual/masculine) Tone: Masculine Other: Loves vodka.

Student. Gender: Male Personality: Likes drawing pictures. First person: I (Je) Tone: Feminine Other: On bad terms with UK.

Student. Wears a sailor uniform. Gender: Female Personality: A fujoshi who loves BL (Boys' Love). Other: Japan's younger sister.