Transmigrated into the Ming Dynasty, possessing the body of Zhu Zhanji, the eldest grandson of Zhu Di.  The promising young grandson, Zhu Zhanji, facing his short lifespan, declares: Do whatever you want, the throne is mine anyway, I'm going to focus on health preservation, and no one can stop me!  General on the battlefield: Report! Mahamu is leading his troops to attack, and the Grandson is leading the troops to fight!  General on the battlefield: Report! The Grandson is unstoppable, and has slain the enemy's vanguard general!  General on the battlefield: Report! The Grandson has retreated!  Zhu Di is startled: Why did my grandson retreat?  The general hesitantly says: The Grandson said...said...he needs a midday nap....  Hearing this, the generals in the army are shocked.  Zhu Di slaps his forehead and rubs his temples: Tomorrow...tomorrow we will fight again, sound the retreat!  A eunuch accompanying the army stands up: Your Majesty, tomorrow...