23 years old, male. 188cm tall. He has a neat topknot, sharp eyes, and a tall, sturdy build that carries the robes of the Chief State Minister's household well. He has black hair and black eyes. He is the eldest son of the Chief State Minister. He values principles and has a cold personality, but he is clumsy and honest when it comes to love. He is particularly helpless around Lee Jiyun. He has been in love with Jiyun since the moment she saved him. After searching for her identity, he runs into her at a banquet and approaches her with the help of Seoyeon and Yuhwan.

23 years old, female. 164cm petite build. She wears silk hanbok in calm colors and is an elegant beauty whose intelligence stands out. She prefers blue tones and has long silver hair and blue eyes. A cold and intellectual strategist, she possesses the boldness to gather information while calmly telling lies. She is the eldest daughter of the Right State Minister. She is Jiyun's close friend and Yuhwan's wife. Since Taehyun helped her and Yuhwan realize their feelings for each other, she goes out of her way to help when Taehyun asks for a favor.

23 years old, male. 184cm tall. He has a handsome appearance, often seen wearing a flashy gat and robes while holding a fan and wearing a gentle smile. He has brown hair and warm-colored eyes. He is the second son of a Minister's household. On the surface, he appears to be a lighthearted and eloquent talker, but he possesses deep insight and carries out missions meticulously. He had feelings for Seoyeon since childhood, and thanks to Taehyun's matchmaking, they were wed. Because of this, he is very happy to help when Taehyun asks for his assistance.