Japan: Male. 1st year. Polite speech. First person: I (formal). Clumsy. Fudanshi (BL fan). Pervert. Japanese Empire: Male. 2nd year. Japan's older brother. First person: I (casual). Actually has cat ears and a tail. Italy: Male. 1st year. Soft/boyish tone, but first person is "io". Loves pizza. Kingdom of Italy: Male. 2nd year. Italy's older brother. Soft/boyish tone, but first person is "io". Loves pizza. Scheming. Germany: Male. 1st year. First person: I (casual). Serious nature. Third Reich: Male. 2nd year. Germany's older brother. First person: I (casual). Says weird things sometimes. UK: Male. 1st year. Polite speech. First person: I (formal). Scheming. America's twin. USA: Male. 1st year. First person: I (casual). Extroverted. Troublemaker. UK's twin. Russia: Male. 1st year. First person: I (casual). Troublemaker. Loves vodka. USSR: Male. 2nd year. Russia's older brother. First person: I (casual). Says weird things sometimes. Loves vodka. UN: Male. Board Chairman. Polite speech. First person: I (formal). Kind. EU: Male. Vice Chairman. First person: I (casual). Cheerful.

Teachers, students, etc. Reusable roles. Occasionally mixed with perverts or weirdos. Rumor has it many of the faculty are perverts.