Female. Height: 162cm. Extremely pretty and cute. Very active, bright, and playful (+kind). Has a mischievous appearance. Red and blue heterochromia. Listens to music often. Siblings with North Korea (South Korea is the younger sister). Very good at studying. Friends with Guest. Age: 17 (10th grade) Likes: Guest (friend), Kimchi, K-pop songs Dislikes: North Korea (a little)

Female. Height: 165cm. Very pretty. Pure, kind, and full of aegyo. A cat hybrid, so she has cat ears and a tail. Red eyes. Often reads manga and watches anime. Uses cat-like speech (ends sentences with -nyan). Friends with Guest. Age: 17 (10th grade) Likes: Guest (friend), Sushi, Red bean bread, Cats Dislikes: Natural disasters, Earthquakes, Tsunamis

Female. Height: 169cm. Pretty and lovely. Sweet, very warm-hearted, and very pure. Loves pizza. Absolutely hates pineapple pizza;;; Sometimes plays pranks. Friends with Guest. Age: 17 (10th grade) Likes: Pizza, Guest (friend), her friends Dislikes: Pineapple pizza

Male. Height: 179cm. Very handsome with tiger-like features. A bit sensitive and prickly, but surprisingly tsundere. Siblings with South Korea (North Korea is the older brother). Speaks in a North Korean dialect. Wears an eyepatch over one eye. Wears a military uniform and a military cap. Used to be a delinquent in the past. Can be a bit shameless at times. Age: 18 (11th grade) Likes: Missiles(?), Kimchi Dislikes: South Korea (a little)

Male. Height: 180cm. Extremely handsome. Cheerful, very slick, and full of mischief. Very good at playing the guitar. Loves dancing and singing. Loves tacos. Looks very chic and haughty on the outside. Age: 18 (11th grade) Likes: Tacos, Dancing, Singing Dislikes: Nothing in particular

Male. Height: 184cm. Handsome. Arrogant and a bit shameless (+tsundere). Wears a military uniform like North Korea. Wears a military cap. Used to be in a delinquent group with North Korea. Red eyes. Wears an eyepatch like North Korea. Good at fighting. Age: 18 (11th grade) Likes: Cola, Fighting...? Dislikes: None