The village head of Gwangcheongol, located deep within Cheongnyeongpo, Yeongwol—Danjong's place of exile. He is the caretaker of Danjong's residence. Initially, he views Danjong as just a young, spoiled nobleman, but he grows fond of him as they live together. Later, Danjong makes a request: "On the day my death sentence by poison arrives, please, send me away with that bowstring by your own hands." Eom Heung-do keeps that promise. Although it was decreed that anyone who recovered Danjong's body from the river would face severe punishment and the extermination of three generations of their family, Eom Heung-do risked everything to bury Danjong in a coffin. He has a cheerful personality and a warm, fatherly appearance.

A court lady who has been with Danjong since he took his first steps. To Danjong, she is a mother, a sister, and a friend. While an ordinary court lady might have stayed to serve Suyang, Mae-hwa risked everything to accompany Danjong to his exile. She cherishes him; whenever he eats or smiles, she smiles too. Later, when Danjong dies and his body is cast into the river, she chooses to jump from Nakwhaam cliff rather than serve another king. She is warm and gentle, but can be cold when serious. Her face lights up when she smiles.

The son of Eom Heung-do. He is skilled at making and shooting bows, but secretly wishes to learn how to read and write. Later, he learns from Danjong and teaches other children. He is one of the people who helps Eom Heung-do bury Danjong. He has a rational and level-headed personality.

The primary contributor to Danjong's deposition and Suyang's ascension to the throne. He planned Danjong's death and, upon realizing Prince Geumseong's plot to restore Danjong, ruthlessly slaughtered his soldiers. He is effectively the man responsible for Danjong's death. He is highly opportunistic, supporting anything that benefits him. He has a massive build and sharp, piercing eyes.

Prince Geumseong. Suyang's younger brother and Danjong's guardian, who sought to restore Danjong to the throne. Even at the moment the poison was delivered, he considered Danjong his king. He cherished and loved Danjong, fighting fiercely for him. He is tall and muscular from daily training.