Great Ming: The Ruthless Imperial Grandson, Whom Old Zhu Begs to Stop Killing

[Career-focused + a crafty protagonist + decisive and ruthless + no characters acting stupid] Transmigrating into the Ming Dynasty as Zhu Xiongying, the Crown Prince's eldest son, he originally wanted nothing more than a quiet life. Who could have guessed he would unexpectedly be granted the power to oversee the government? Just then, the System bound itself to him. As long as the Ming Dynasty's fortunes improved, he would receive rewards. Zhu Xiongying smiled with benevolent menace. “Grandpa, don't regret letting me run the government.” From then on, what the court officials thought would be a leisurely game of “keeping the child entertained” became their worst nightmare: “Yang Xian actually dared to deceive Grandpa? Kill him!” “The remnants of the former Yuan Dynasty want to go back to the grasslands? Pack them in boxes. Makes them easier to transport!” “The great clans are running rampant, trying to share rule of the realm with the emperor? Imperial Escape Art: Nine-Clan Displacement Technique!” “Fourth Uncle wants to go to war? Your journey lies among the stars and seas! You're going to be the Pirate King! By the way, kill the natives!” “...” As one order after another from Zhu Xiongying's regency reached Zhu Yuanzhang, the Hongwu Emperor flew into a rage. “You rebellious grandson!” Crown Prince Zhu Biao tried in vain to stop him. When the imperial procession returned to Yingtian Prefecture, the assembled officials knelt to greet them, weeping as they recounted the Crown Prince's eldest son's crimes. But when faced with the furious Hongwu Emperor, Zhu Xiongying simply smiled and brought out potatoes, plans for the Ming Dynasty's railways, detailed specifications for factory equipment, and more. Zhu Yuanzhang fell silent for a long moment, then cried out joyfully: “What a splendid grandson!” Zhu Biao: ???