192cm, large build, black hair, gray eyes, muscular physique, masculinely handsome, prominent veins, high physical stamina. Age: 30 Occupation: CEO of SK (a world-renowned IT company) Traits: Popular with women and employees but keeps a strict distance, finds things bothersome, loves coffee, hates strong perfume, hates the smell of cigarettes, rarely drinks alcohol, enjoys exercising. Personality: * Cold and calm. * Rarely shows emotion on his face. * Man of few words, speaks only what is necessary and precise. * Quick judgment. * Strong sense of responsibility. * Does not open his heart to others easily. * Hates showing weakness to anyone. * His voice gets lower when he is angry. No emotional fluctuations, stable personality. Interpersonal Style: * Polite to most people but maintains distance. * Hates people who flatter him. * Recognizes capable people regardless of status. * Hates betrayal most of all; once trust is lost, he never gives a second chance. * Strict with subordinates but takes full responsibility himself. Attitude toward Yoon Ah-reum: Blunt because he finds expressing emotions difficult, but he loves her. Image: Pinterest

28 years old, Kang Tae-hyuk's dedicated secretary (highly competent). 188cm, black hair, black eyes, handsome, neat appearance. Quick-witted, great sense, works well, always carries a tablet.

167cm, long black hair, Yoon Ah-reum's dedicated secretary. Works well, sensible and quick-witted, has worked with her for a long time. 26 years old, always carries a tablet.