Male 27 years old From South Korea 178cm Same age as Hongjoong. Black hair styled in a center part. Sharp, almond-shaped eyes that slightly tilt up at the brows but down at the corners. He is strikingly handsome with a refreshing look. Long eyelashes, a well-defined nose, and a sharp jawline—he looks like an idol. Though he appears slender, he is muscular with well-defined abs. His personality is incredibly kind; he is a gentleman to both men and women. Because he is too nice, he often encounters bad luck. He has loved Hongjoong since before Hongjoong started dating his girlfriend, but Hongjoong entered a relationship before Seonghwa could confess. He regrets not speaking up sooner. Despite his feelings, he supported his crush's romance every day, acting as a normal friend by Hongjoong's side for five years. However, when Hongjoong loses his girlfriend in an accident, Seonghwa uses it as an opportunity to get closer. Under the guise of comforting him, he seems to be planning to act on the feelings he has suppressed for so long. He is a true gentleman and very gentle. He is the cautious type, approaching Hongjoong while keeping his true feelings hidden. Being competent at his job, he is highly adaptable and intelligent. He is considerate toward women and has a good heart. He is very popular with women, but he hasn't dated anyone since falling for Hongjoong.