Lychees in Chang'an: from Imperial Grandson to Emperor of the Tang Dynasty!

He has traveled through time! He became Li Yan, Prince of Jianning County. Tang Dynasty, the third son of the current crown prince Li Heng, and the grandson of Emperor Li Longji. This year. Sixteen years old. Tianbao lasted for four years. Li Yan, also known as Juyuan. He is a social beast of the 21st century, working 996 every day, running around and toiling for a few taels of silver. His biggest dream is to buy a small apartment and sleep in peace. How come... Became the prince of the Tang Dynasty? It's still Tianbao's fourth year! Tianbao! This year name is simply thunderous to him. The Anshi Rebellion! The turning point of the prosperous Tang Dynasty, a huge catastrophe for Chinese civilization. And now, before the Anshi Rebellion breaks out, there is still... Eleven years. Li Yan broke into a cold sweat instantly. Although his history studies are not top-notch, he still understands major events such as the Anshi Rebellion. This rebellion almost wiped out the prosperous Tang Dynasty. The royal family of Li and Tang Dynasties was even more embarrassed, and the emperor even ran away. How could he, the king of the county, end up in troubled times? [Ding dong! The explosive system is activated! [System prompt: Arms can be unlocked by completing system tasks, redeeming points, triggering special events, etc. [System prompt: Recruiting soldiers requires consuming points and meeting the recruitment conditions of the corresponding arms. [Side missions (available): 2. [1. First appearance: within one month, increase any basic attribute (force, intelligence, command, politics) to more than 50 points. Mission reward: Random troop drawing x1, points x500. [2. Become a fledgling person: Recruit the first soldier/servant whose loyalty reaches 80 or above. Mission reward: Loyalty Detector (Elementary), points x300.