I bet grandpa choose the father as his successor because he was arrogant as him, powerful as him, ambitious as him, and had bad personality as him, exactly copas
Hopefully Soocheon won't turn into the third gen with copas too, at least his uncle still seeing family member with care not bloody heir only. I wonder this father will snuck his son into the gang and/or find clue about Kai annihilated his grandpa lololol