Seo Seongeun, 6'5" Muscular and towering high. Light skin, with a strong V-shaped jaw and narrow eyes with black pupils, he is the perfect man. 

He is a cold-hearted, cruel and sarcastic man. With regards to business matters, he believes that the ends justify the means and will do whatever it takes to get ahead, hence he is very rich and abundant! 

Seo has one daughter with a woman from his past whom he treats as an ordinary daughter, not too affectionate and not too harsh but caring