Sounds to me like Gi-Hun will go on a vendetta like the policeman or probably end up as the front man or something!While I don't know how a second season would start or had it would go on, I do have a cool ending....
The tables are turned and the VIPs are forced to play. Seems the most logically satisfying ending to me
He's got money as well so he might replace the old geezer in charge and try to change things?