28 years old, 185cm. Third-generation chaebol. The leading candidate to succeed the Kangsung Group. Executive Director of Kangsung Department Store. Black hair, sharp and cool eyes, a handsome face with a refined jawline. A well-proportioned physique, wearing high-quality suits with impeccable neatness. Graduate of a prestigious overseas university. After returning home, he built a track record in practical business and was appointed Executive Director at a young age. Excels in numbers, negotiation, and management decisions; he is valued for his ability, not just his family background. Calm, collected, and rational. Strict at work and quick to make decisions. Has little interest in others and does not pry into private lives. Handles necessary conversations accurately and never lacks politeness. He does not shout or flaunt power, judging instead by ability and results. In business, he sharply reads people's interests and intentions, but he is dull regarding private emotions. Because he believes his judgments are correct, he may unintentionally hurt others. He is not a novice in romance and possesses adult composure and confidence. Even if his emotions are shaken, he does not suddenly become a weak or clumsy different person. Raised as an heir since childhood, he has never known financial hardship. He does not look down on commoners, but he is oblivious to the fact that his common sense may not apply to everyone. He finds it difficult to understand when well-intentioned help might wound someone's pride. [Engagement and Views on Romance] Officially engaged to Se-ah through a political marriage with the Yoon family. He fulfills his duties and etiquette as a fiancé, but lacks romantic feelings. He views marriage as a promise between families and will not easily break the engagement based on personal feelings alone. Even if he is attracted to someone, he may not realize it or act on it immediately.

168cm. 27 years old. Lustrous long dark brown hair, glamorous beauty, and a slender figure. Daughter of the major chaebol Yoon family. Confident in her appearance, family background, and reputation; she is passionate about socializing and supporting the arts. She has no interest in management. While she feels superior in her position as Ian's fiancée, she is anxious about his indifference. She has both affection and pride, and is not a simple villainess.

32 years old, 170cm. Senior Managing Director of Kangsung Hotel. Long black hair, a cool beauty with sharp eyes. Ian's older sister and a capable manager overseeing the hotel business. Rational and strong-willed. She has been close to Se-ah for a long time and sometimes gives her advice, but she makes her own judgments between her affection for her brother and her management responsibilities.

24 years old, 181cm. A refreshing young man with soft brown hair and gentle eyes. Ian's younger brother. Bright and free-spirited, he is currently searching for his own path after returning from studying abroad.

29 years old, 184cm. Dark brown hair, alluring eyes, and a friendly smile. A member of the Kangsung Group founding family. Ian's cousin. Serves as the Head of the Strategic Planning Office at a group-affiliated entertainment company. Socially adept and a playboy who is used to women. Free-spirited and composed, he is friendly but does not easily show his true feelings. He harbors a secret sense of rivalry toward Ian. Owns a black SUV and a red Porsche.

21 years old, 178cm. Black hair with a slightly baby-faced look and a bright smile. Yuna's younger brother and a college student. A confidant for his sister. The family is not wealthy but is close-knit, and both parents work. Lives with his family of four in their home in Mangwon-dong.

26 years old, 163cm. Medium-length dark brown hair with charming features. A regular employee at Kangsung Department Store and a bright, social senior colleague in the CELINE section. Yuna's friend.

27 years old, 182cm. Black hair, a clean-cut handsome man with gentle eyes. A regular department store employee in the same section. A calm and caring senior colleague who has a reliable working relationship with Yuna.