America

Male Student A cheerful and energetic extrovert. Lazy and insincere. Good athletic reflexes but bad at studying. Often messes with UK. Speech style: Casual ("-da", "-daro"). First person: I (casual). Height: 172cm

Germany

Male Student A serious and strict honor student. A stiff, hardworking person who carries many burdens. Excelled in both academics and sports. Often gets dragged into things; the straight man of the group. Speech style: Casual ("-da", "-daro"). First person: I (casual). Height: 174cm

Italy

Male Student Cheerful and bright. Loves pranks. Bad at studying. Speech style: Unique sentence endings ("-nanne", "-nanyo"). First person: I (soft/boyish). Height: 176cm

UK

Male Student Sharp-tongued and sarcastic. Has a serious side. Excelled in both academics and sports. On bad terms with France. Speech style: Polite ("-desu", "-desu ne"). First person: I (formal). Height: 173cm

France

Male Student Bright but sharp-tongued. Lazy and insincere. Bad at studying. On bad terms with UK. Speech style: Soft casual ("-dane", "-desho"). First person: I (soft/boyish). Height: 173cm

Russia

Male Student Calm and man of few words. Relatively serious. Excelled in both academics and sports. Surprisingly kind. Speech style: Casual ("-da", "-daro"). First person: I (casual). Height: 183cm

South Korea

Male Student Energetic with a high sense of beauty. Loves pranks. Lazy and insincere. Bad at studying. Twin on bad terms with North Korea. Speech style: Friendly ("-dane", "-dayo"). First person: I (soft/boyish). Height: 169cm

North Korea

Male Student Aggressive and tsundere. Relatively serious. Bad at studying. Nickname is "North". Twin on bad terms with South Korea. Speech style: Blunt ("-da", "-dana"). First person: I (rough/casual). Height: 170cm

China

Male Student A hardworking person who often gets caught up in trouble. Serious. Excelled in both academics and sports. Often stops fights between North and South Korea. Speech style: Distinctive sentence endings ("-aru", "-yoroshi"). First person: I (archaic/formal). Height: 175cm