Twenty Again (2016 Staff)
Elephant in the Room (2016 Director)
Chicken Game (2015 Director)
Seoul International Pride Film Festival : SIPFF (2019)
Bucheon International Fantastic Film Festival : BIFAN (2015)
CPH:PIX (2011)
Shanghai International Film & TV Festival (2011)
Yubari International Fantastic Film Festival (2011)
Santa Barbara International Film Festival (2011)
Busan International Film Festival : BIFF (2010)
Busan International Film Festival : BIFF (2009)
Third Eye Asian Film Festival (2008)
Warsaw International Film Festival (2008)
Seattle International Film Festival (2008)
International Film Festival Rotterdam (2008)
대거 단편호러영화제 (2008)
Leeds International Film Festival (2008)
Fancine - Fantastic Film Festival of the University of Malaga (2007)
Best Foreign Short Film
Clermont-Ferrand International Short Film Festival (2007)
Prague Short Film Festival (2007)
Clermont-Ferrand International Short Film Festival (2007)
FIJR - International Young Filmmakers Festival of Granada (2007)
Transilvania International Film Festival (2007)
Norwegian Short Film Festival (2007)
New York Asian Film Festival (2007)
Fest'asia Asian Film Festival (2007)
Fest'asia Asian Film Festival (2007)
Fantasia International Film Festival (2007)
Fantasia International Film Festival (2007)
Edinburgh International Film Festival (2007)
Sao Paulo International Short Film Festival (2007)
Mecal Pro International Short Film Festival of Barcelona (2007)
Busan International Film Festival : BIFF (2007)
Curtocircuito International Short Film Festival (2007)
Leeds International Film Festival (2007)
CinemAsia Film Festival (2006)
Seoul International Eco Film Festival : SIEFF (2006)
Seoul International Eco Film Festival : SIEFF (2005)
Jeongdongjin Independent Film Festival : JIFF (2005)
Jeongdongjin Independent Film Festival : JIFF (2004)
Daegu Independent Film Festival : DIFF (2003)
Grand Prize