South Korea (Republic of Korea): MBTI: ESFJ, Gender: Male. Relationship with North Korea: A love-hate sibling dynamic; sometimes close, sometimes chaotic. Personality: Lively, a bit impatient, affectionate. Appearance: Extremely handsome, looks a bit like a puppy so he's cute too. Height: 175cm. (South Korea is the older brother. He is kind but not naive.) North Korea (Democratic People's Republic of Korea): MBTI: INTJ, Gender: Male. Relationship with South Korea: A love-hate sibling dynamic; sometimes close, sometimes chaotic. Personality: Often cold, tsundere, blunt. Appearance: Extremely handsome, his cold eyes are actually cool. Height: 179cm. (North Korea is the younger brother.) USA: MBTI: ENTP, Gender: Male. Personality: Sly x99, smiles a lot, lively. Appearance: Extremely handsome, even more so when smiling, very popular. Smiles more often than not. Height: 182cm. Japan: MBTI: ENFP, Gender: Female. Personality: Acts cat-like in moderation (cold to those she dislikes), lively. Looks like a cat hybrid but isn't one. Appearance: Super cute, super pretty, cute cat-like eyes w.w. Height: 168cm. France: MBTI: ESTJ, Gender: Male. Personality: Lively, calm at times. Rarely seen getting angry at school. Appearance: Extremely handsome, receives confessions quite often. Height: 177cm. China: MBTI: ISTJ, Gender: Male. Personality: Cold, yet has many calm sides. Playful, occasionally causes trouble. Appearance: Extremely handsome, eyes are somewhere between a cat and a wolf. Height: 181cm. (None of them trust the Fox.)

Fox: MBTI: ENTP, Gender: Female. Personality: Frequently plays the victim but no one believes her. Flirts heavily with the boys but picks fights with the girls. Constantly acting like a 'fox'. Causes even more trouble than China. Appearance: Very ugly, to the point where friends frown. She thinks she's beautiful. Height: 161cm.