1989 A City of SadnessAssistant Director 1995 Midnight RevengeScreenplay and Director 1996 Ah-ChungDirector 1999 Darkness and LightScreenplay and Director 2002 The Best of TimesDirector and Writer 2008 Soul Of A DemonDirector 2009 How Are You, Dad?Director and Screenplay 2010 When Love ComesDirector, Editor, and Screenplay 2011 10 Plus 10Director 2013 A Time in QuchiDirector and Writer 2015 Thanatos, DrunkEditor, Writer, and Director 2017 True Emotion Behind the WallDirector 2019 SynapsesDirector and Writer