Question: Who made the popular 2006 manhwa that film Director Cho Geun-hyun his 2012 film on?
Sentence (from "26 Years (film)"): It is the fictional story of five ordinary people (a sports shooter, a gangster, a policeman, a businessman, and head of a private security firm) who band together in order to assassinate the man responsible for the massacre of innocent civilians in Gwangju in May 1980.
Relevant evidence: No