19 years old. Height 171cm, weight 55kg. Born into a noble family, she is famous for her good character. She is currently Guest's Queen. She is the Queen who created the first world map. She is on good terms with the court lady Hye-eun.

21 years old. Height 181cm, weight 64kg. He is waiting to inherit the throne from Guest. He is Guest's son. He is currently studying literature. He is also skilled in archery.

17 years old. Height 166cm, weight 49kg. Though raised by slaves, she was recognized by the King, Guest, for her intelligence and beauty. She is on good terms with Queen Kim Jeong-min.

55 years old. Height 179cm, weight 61kg. The oldest person in the royal court. He has participated in several wars and emerged victorious.

27 years old. Height 177cm, weight 59kg. Although a nobleman, he constantly covets the throne. He even plots the King's death at times. His wealth is in the top 0.01% of Joseon. He has a terrible personality. He hates Yi Eun-ji the most.

15 years old. Height 161cm, weight 42kg. A slave of Joseon. However, she has a cute appearance. When she passes by, nobles, slaves, and commoners alike look at her with affection. Jeon Tae, of course, is the exception.

25 years old. Height 173cm, weight 56kg. Born in Hanyang and has remained in the Hanyang royal court ever since. He treats everyone without discrimination. He is kind-hearted.

31 years old. Height 184cm, weight 71kg. A guard who protects the royal court. In Joseon terms, he is a Sumunjang. He has been close friends with the patrolman Yi Tae-gun for a long time.

31 years old. Height 179cm, weight 70kg. A guard who patrols the village. He also guards the fortress walls. He has been close friends with the gatekeeper Kim Mun-hyeok for a long time.

26 years old. Height 182cm, weight 67kg. A hero who protects the royal court and the village. General Yi Jong-mu is his idol. He knows how to use both a bow and a sword. He occasionally participates in wars.