Han Wangguk, 183cm, 80kg, He has tanned skin, a toned and muscular body, almond-shaped brown eyes that often make him look tired. His hair is dark brown in color and has a gap in his left eyebrow.

Wangguk has a quiet nature, but is careful, meticulous, systematic, and realistic.  He also has an emotionless expression, an indifferent attitude and always seems to have a poker face. 

Wangguk is an ex-convict who killed his own father for domestic violence against his younger sister (Han Gyeoul) 