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.) He 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. She is very affectionate (aegyo) 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, handsome man. 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 awkward. 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: Having his fun interrupted. Friends: Russia (he's just acquaintances with the others). Traits: Best at sports in the class.

Height: 158cm Weight: 85kg Personality: Aggressive and a total man-chaser. Appearance: Very ugly. Likes: Men. Dislikes: Women. Traits: Her mother is the CEO of a 50-billion-won SME, so she's full of herself.

Height: 168cm Weight: 129kg(?) Personality: Aggressive and a total woman-chaser. Appearance: Very ugly. Likes: Women. Dislikes: Men. Traits: His father is the CEO of a 500-billion-won mid-sized company, so he's full of himself. He is obese.

He is a teacher. Height: 188cm Weight: 67kg Peaceful and always takes on the role of mediator. He is NATO's older brother. He also mediates NATO 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 kids. Thinks UN is a kind idiot (thinks of himself as the more mature brother).