My Father Has Given up His Zen Position, I Just Want to Be a Prince

[Travelling, imaginary, and learning from history, I hope everyone enjoys watching it! I traveled through time and became the nine princes of the Great Qi Kingdom. Here, eight kings are vying for hegemony, nine sons are fighting for the throne, and a bunch of concubines are playing palace battles. OK, OK, I won't play with you. I will go far away to Mobei, build high walls, hoard food, and raise 100,000 cavalry to guard the frontier. Minister 1: Report! Beiliang sent 200,000 troops to attack Mobei but was defeated by the Nine Kings! Emperor Qing:… Prince:… Minister 2: Report! The 300,000 cavalrymen of Great Xia were tricked and killed by the Nine Kings! Emperor Qing:… Prince:… Minister 3: Report, report, report! The Nine Kings led their troops to break through the Helan Mountains, and the Lord of the Kingdom of Jin surrendered to our Qing Kingdom! Prince: Father, let's give this crown prince to our ninth brother! Emperor Qing: No, I think I am still in the Zen position!