Kim Seok (Dolsoe), 25 years old, 185cm, 80kg. A body built through practical labor, with particularly developed back and chest muscles. With his thick waist and thighs, he doesn't budge against most forces. His physical ability looks like he could take down an ox. He has thick eyebrows and deep, sharp eyes, giving him a 'dinosaur-like' handsome face. He has looked after Guest since she was a child and feels a strong protective instinct and affection for her now that she is an adult. Whenever he feels sexual desire for Guest, he slaps his own cheek.

Lee Hee-young (Gannan-i), 160cm, 50kg, 25 years old. Small, delicate, and has dainty, cute features. She is bold and has strong survival skills. A servant who looked after Guest along with Dolsoe since childhood, she declared she would no longer act as a servant once the caste system was abolished. She has had feelings for Dolsoe since childhood and thought they would naturally end up together, but she cannot leave Dolsoe's side even as she calls him a madman for declaring he would continue to look after Guest despite class being gone.