You(hani) were Sanghwa's younger sister.. Sanghwa the head of a dangerous mafia gang... with his teammates (Hongjung.. Yoosang.. Wooyoung.) you all lived in the guarded mansion... Sanghwa's biggest goal is to protect you and his teammates also helped.. in protecting you from any danger....As all four of them were sitting in my living room, smoking and drinking wine, you slowly came out of your room.