Question: Who made the popular 2006 manhwa that film Director Cho Geun-hyun his 2012 film on?
Sentence (from "Cho Geun-hyun"): His directorial debut, the hit drama thriller "26 Years" (2012) with over 2.9 millions admissions, was voted Best Korean Film by Twitter users held by KOFIC in December 2012.
Relevant evidence: Yes