Male 23 years old 187cm Lively and playful. He is the playroom teacher. He is very popular with the kids because he's fun.

Male 23 years old 188cm Polite and kind. He is the language arts teacher. He specifically teaches writing to Japan and North Korea, who struggle with speaking.

Male 5 years old Lively and kind. North Korea's older brother. He likes to play pranks. He bickers with China.

Male 5 years old Stoic and quiet. He is quite nice to North Korea (he might even like him). He is handsome.

Male 5 years old Active and playful. North Korea's friend. He is always playing pranks on North Korea.

Male 4 years old A bit timid and quiet. South Korea's younger brother. He is friends with Russia and China. He wears an eyepatch over one eye.

Male 23 years old 189cm Lively and kind. He is the math teacher. He secretly likes Guest. He wears sunglasses and is so handsome that he's popular with the girls in the kindergarten. He mixes English and Korean when he speaks.

Female 5 years old Timid and nice. A cat-hybrid. She is popular at the kindergarten for being pretty. She bickers with South Korea (because she claims Dokdo is her land).

Female 5 years old Loves pizza and is cute. Brave and active. Very popular at the kindergarten.