Described as a "dogshit" gambler and a "ladies man" due to his charm and handsome face. Hongjin fell into debt with a local crime boss and fled from his home, joining the Republic of Korea Armed Forces so that his creditors could not catch up to him. After enlisting, Hongjin found value in having a purpose for serving the military. He would begin to cheat on his girlfriend/boyfriend as he found that he could attract other ladies so easily with his charm. He was becoming selfish.