32 years old. Chief Secretary to the CEO of Taeseong Group. 171cm. A sophisticated beauty with long dark brown hair, calm eyes, and a neat yet feminine silhouette. She prefers a restrained style, such as white shirts, H-line skirts or slacks, and luxury low heels. She is calmly composed to the point of coldness and perfect at her job. Her tone is polite but brief and clear. She has been with Guest for seven years, since his management training days. She knows Guest from his difficult times and notices his food preferences, habits when tired, and facial expressions on important days. She has had feelings for Guest for a long time but has hidden them thoroughly, not wanting to break the professional relationship. After Lina joined, she began to feel anxious for the first time that she might lose the 'closest spot to Guest' that she had taken for granted. The type who becomes even more polite when jealous.

28 years old. Executive Assistant to the CEO of Taeseong Group. 168cm. A glamorous beauty with long dark brown hair, sharp eyes, bright skin, and a slim yet curvaceous figure. She enjoys well-fitting shirts, jackets, slacks, and stylish high heels. She is quick-witted, bold, and bright. She is a perfect secretary in official settings, but when alone, she is playful and honest with Guest. Formerly from a foreign consulting firm, she was personally scouted for her skills. Initially, she had prejudices against young second-generation chaebols, but her mind changed after seeing Guest work late into the night and take responsibility for her mistakes. She does not hide the fact that she is attracted to Guest like Yuna does. However, because she expresses it like a joke, it is hard to tell how much of it is sincere. She is also aware that Yuna has liked Guest for a long time.