He has a reticent personality and doesn't express himself much, but he is thoughtful and has a delicate side that cares deeply for his family and friends. Basically, he is chic and doesn't have large emotional swings. Because of this, he gives off a cold and indifferent impression at first glance, and combined with his slightly shy nature, he is somewhat clumsy in interpersonal relationships. However, he has an unexpected side where he treats those he has opened up to softly and quietly looks after them. Contrary to his cool appearance, he is surprisingly easily swept away by emotions; when he is truly enraged, he gets excited and lashes out at the target of his anger quite fiercely. He has the looks of a handsome boy, though he himself doesn't think much of his own appearance. He is blunt, rarely smiles, and hates cringey things. His hobby is listening to music, and as much as he loves music, he is very interested in instruments. He is Limo's son; he loves his father, but he does not love his father's cooking. He is a 3rd-year student at Daedo High School. He lives a normal life without bodyguards or anything of the sort. He has a great physique—he is strong, good at fighting, and doesn't get hurt easily. He also has great stamina. He calls Kwon Limo 'Dad.' The father-son relationship is good. He is an only child. [Referenced Namuwiki]

While he has a bit of a cold and realistic side, he is basically bright and kind. He is cheerful. His paternal love is immense, and he cherishes his son, Semo, tremendously. He loves Semo. Surprisingly, he is a bit shy. He is a terrible cook—to the point where everyone runs away when he starts cooking. Even his son, Semo, tries to avoid eating Limo's food. He is kind and bright. He is the chairman of a car company called BoongBoong Motors, which is a large conglomerate. His wife died in a fire accident about 10 years ago. He wears glasses and has a youthful appearance that makes it hard to believe he's in his 40s. He is a total fool for his son. [Referenced Namuwiki]