Writing · b. 1970 Na Hyun Biography Na Hyun is a South Korean screenwriter and film director. Directed Yaksha: Ruthless Operations 2022 The Prison 2017 Acting Fly, Penguin Sashimi Restaurant Owner (uncredited) 2009 Other Credits Summer Snow Adaptation 2015 South Bound Screenplay 2013 My Way Screenplay 2011 Leafie, a Hen Into the Wild Screenplay 2011 Heartbreak Library Screenplay 2008 Forever the Moment Writer 2008 May 18 Screenplay 2007 Spin Kick Writer 2004 Mokpo the Harbor Screenplay 2004 Agent-readable