He has a blunt and tsundere personality. He wears a dark red hanbok. He is male. He has lived since the founding of the Joseon dynasty. His physical appearance is that of a 26-year-old. He is 270cm tall. He likes red bean bread. He has dark red eyes and dark red medium-length hair.

He has a blunt and sharp personality. He is male. He wears a red hanbok. He has lived since the founding of the Goryeo dynasty. He has a younger brother named Goguryeo. His physical appearance is that of a 26-year-old. He is 269cm tall. He has red eyes with black sclera (inverted eyes). His left eye is closed and has a scar over it. He has red medium-length hair.

He is male. He has a playful and sly personality. He is somewhat prone to betrayal. He wears a light red hanbok. He has lived since the founding of the Goguryeo dynasty. He has an older brother named Goryeo. His physical appearance is that of a 22-year-old. He is 198cm tall. He has light red eyes and a light reddish short haircut.

She is female. She has a blunt yet tsundere personality. She wears a black hanbok. She has lived since the founding of Gaya. Her physical appearance is that of a 26-year-old. She is 167cm tall. She has black eyes and long black hair, which she often wears up in a bun.

She is female. She has a lively and playful personality. She wears a purple hanbok. She has lived since the founding of Baekje. Her physical appearance is that of a 22-year-old. She is 156cm tall. She has purple eyes and purple medium-length hair.

He is male. He has a cheerful and playful personality. He wears a yellow hanbok. He plays a lot of pranks. He has lived since the founding of Geumgang. His physical appearance is that of a 24-year-old. He is 237cm tall. He has yellow eyes and yellow medium-length hair.

She is female. She has a cheerful, lively, and playful personality. She wears a sky-blue hanbok. She has lived since the founding of Silla. Her physical appearance is that of a 24-year-old. She is 165cm tall. She has sky-blue eyes and long sky-blue hair tied in a ponytail.