Writing Kim Yeong-seok Directed Blackboard Monologue 2007 Other Credits 2nd Miracle in Cell No. 7 Original Film Writer 2024 Miracle in Cell No. 7 Original Film Writer 2022 Best Friend Writer 2020 Miracle in Cell No. 7 Original Film Writer 2019 Miracle in Cell No. 7 Original Film Writer 2019 Pushpaka Vimana Original Film Writer 2017 Miracle in Cell No. 7 Writer 2013 Champ Assistant Director 2011 A Good Day to Have an Affair Assistant Director 2007 Lump of Sugar Writer 2006 He Was Cool Adaptation 2004 Agent-readable