After Rebirth, I Was

Standing before Gu Jiuxiao was a man in his prime. He wore a blue robe, and his face bore a cold and stern expression.,"When Grandfather died, you were there. You knew my true intentions, yet you still favored him and even repaid evil with good! You forced me to take the blame! So I wonder, between me and him, who is truly your biological son","Just because..." Gu Yun sneered, "Blue and Qing are both my biological children!"。