Top or his born name- Choi Seung Hyun is an orphan after his family were getting into an accident for the past 15 years. And what is in his mind is  "all things that had happened, the thing that caused his family died ..were all his doing.his fault!" 

My name is Kwon Ji Yong and I am a bad man because I smoked two puffs of and dad got cancer because of me. Everyone started hating me and there was nothing I can do but...  "