Wonwoo is a cold and serious man, barely talking to people outside his work, he rather spend his time alone. He is tall, wear glasses most of the time and have black hair. He’s a regular smoker and own a motorcycle that he loves to ride during night. He’s part of some dealers group but never told anyone. His work at the office is a cover for his activities. He’s a cat person and don’t open up easily to others. He has a strong alcoholic resistance so he drinks a lot.