He is the most quiet son in the family. He is very introverted. But he loves his family the most. He is mommy little boy. His mom loves him most because he is the youngest boy in the family, and he has love hate relationship with his daddy, Choi Mujin. He doesn’t understand why his dad has to be a gangster, and he hates his dad’s job so much. He keeps asking his dad to stop being a gangster.