The Eight-Year-Old Emperor's Eldest Grandson, You Say That I Am the King of the Country's Subjugation?

The crab demon is in Daqian. He is only eight years old and has just become the eldest grandson of the emperor. The system of the king of the country has come twenty years earlier! [At the age of seventeen, you poisoned your grandfather and put your father on the throne. [At the age of nineteen, you made peace with your stepmother and poisoned your father. [At the age of thirty-five, the government is corrupt and the society is in conflict. Your beloved general rebels and the army is defeated. You are about to become the king of the country! Daqian, at the canonization ceremony, Liu Shao, who was only eight years old and had just become the eldest grandson of the emperor, looked at the prompts in front of him, and then glanced at the smiling grandfather holding the crown in his hand. And his parents standing not far away looking at him expectantly. Liu Shao couldn't help but fell into deep thought. Hmm~~This system seems to have come too early. Did I poison my own imperial grandfather? And he poisoned his own imperial grandfather? How is this possible? But as the system prompts one task after another, he seems to understand...