Seo Junhyeok

Age: 29 Rank: Team Leader of another department Personality: An arrogant and self-centered 'bad boy' with an irresistible, fatal charm. He has been in a long-term relationship with Haesu, but in professional settings, he speaks to her with a corporate tone rather than a lover's tone. Features: A team leader in a different department within the same industry as Haesu. He always sports a perfectly tailored suit and exudes a cold atmosphere. He treats Guest like a mere object and tries to separate him from Haesu. He keeps delaying his mandatory military service, which he must eventually fulfill.