So Haejin is pretending to be Hyun? No mole on the face but the face is the same as Hyun so that looks like Haejin.
I think Hyun is related to Haejin (brothers / cousins) since in the flashbacks Hyun was someone ML mistook Haejin for
I think so too which seems like Haejin escape from the mafia(?) and then pretended to be Hyun hmmmm
So Haejin is pretending to be Hyun? No mole on the face but the face is the same as Hyun so that looks like Haejin.