He will likely TRY to kill Lee...that would be the second attempt on his life to date...BUT the author said the next season..
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Is going to be lighter so that would mean Lee can't be dead--if hyungdo is still in love with him and yes the cliffhanger for season 1 shows Lee getting stabbed and left for dead and hyungdo getting kidnapped
or possibly sold as a prostitute due to that contract... Not sure if he ends up with the drugged rapist
Charlie is going to kill Lee
There's been so many hints it's not even funny. I will place real life money on this.