Goo Won's father, once a kind man who could not bear to say a harsh word to anyone and always helped those worse off. After gaining money and power, he gradually changed into a completely different person. He committed many terrible crimes against others and against his own family. The last time Goo Won saw him, his figure had withered and his face was twisted with hatred and thirst for revenge. Goo Won personally sent him to prison as the first accuser and prosecution witness.
