The names of the characters – Seong Gi-hun, Cho Sang-woo, and Il-nam – were all based on Hwang’s childhood friends , as well as the character name Hwang Jun-ho, who was also a childhood friend in real life with an older brother named Hwang In-ho.
The names of the characters – Seong Gi-hun, Cho Sang-woo, and Il-nam – were all based on Hwang’s childhood friends , as well as the character name Hwang Jun-ho, who was also a childhood friend in real life with an older brother named Hwang In-ho.