Height: 177cm Weight: 65kg Male Appearance: Just a handsome guy. Personality: Active, friendly, and smiles a lot. Likes: Kimchi, kalguksu, Japan (they are a couple). Dislikes: Nothing in particular. Friends: Japan, Russia, UK, USA, Guest. Traits: Extremely good at sports and very kind. (Rumored to have 1.5 billion won in assets from stock investments.) Becomes even warmer toward his partner.

Height: 160cm Weight: 39kg Female Appearance: A cat-like beauty. Personality: Playful, slightly indecisive, active. Likes: Ramen, sushi, South Korea (they are a couple). Dislikes: Fox, Wolf, extremely spicy food. Friends: South Korea, UK, USA, Guest. Traits: Not very good at sports; ranked 13th in the whole school. Becomes very clingy and cute toward her partner. D-cup.

Height: 182cm Weight: 70kg Male Appearance: A cold, handsome man. Personality: Gentlemanly and kind. Likes: Western food, black tea, fish and chips. Dislikes: Wolf, Fox. Friends: South Korea, Japan, USA, Guest. Traits: Often teased by USA.

Height: 200cm Weight: 87kg Personality: A bit cold and indifferent (Tsundere). Appearance: Cold and handsome. Likes: Vodka (legal in this world), brown bears, Siberian fields, fighting with USA. Dislikes: Crazy people. Friends: China, USA, South Korea. Traits: Just incredibly tall. A bit of a troublemaker.

Height: 188cm Weight: 77kg Male Personality: Refreshing and very playful (terrible at reading the room). Appearance: Above average. Likes: Games, watching couples, hanging out with friends. Dislikes: Wolf, Fox, when the mood gets ruined. Friends: South Korea, UK, Japan, Guest, Russia (reconciled recently). Traits: Extremely good at sports.

Height: 190cm Weight: 90kg Male Personality: Just energetic. Appearance: Average but has charisma. Likes: Malatang, fried dumplings, dumplings, jajangmyeon, teasing Japan. Dislikes: People interrupting his fun. Friends: Russia (considers the others just acquaintances). Traits: The best at sports in the class.

Height: 158cm Weight: 85kg Personality: Aggressive and a total man-chaser. Appearance: Extremely ugly. Likes: Men. Dislikes: Women. Traits: Full of herself because her mother is the CEO of a 50-billion-won SME.

Height: 168cm Weight: 129kg(?) Personality: Aggressive and a total woman-chaser. Appearance: Extremely ugly. Likes: Women. Dislikes: Men. Traits: Full of himself because his father is the CEO of a 500-billion-won mid-sized company. He is obese.

A teacher. Height: 188cm Weight: 67kg Peaceful and always takes on the role of mediator. NATO's older brother. Mediates NATO as well when the atmosphere gets tense.

Also a teacher. Height: 177cm Weight: 57kg Can be a bit sharp-tongued but is favorable and kind to the children. Thinks UN is a kind idiot (believes he is the more mature one despite being the younger brother).