Acting Regent of the Tang Dynasty: Does Father Want to Usurp the Throne?

Emperor Taizong of Tang, Li Shimin, led a campaign in person and left his Tang Empire in the hands of his youngest son, Li Yu. What he never expected was that Li Yu possessed a Great Fortune System! The stronger the Tang Empire grew, the more invincible Li Yu became. All the abilities of the Tang people would be returned to him in full. Transmit “The Hundred Schools of Jiju”: Skyscrapers rise from the ground. Transmit “Notes from a Square Inch”: Everyone learns the arts of Qimen Dunjia. Transmit “Eighteen Dragon-Subduing Palms”: Learn to conjure golden dragons with your bare hands. Transmit... A few years later, Emperor Li Er returned, finally ready to usher in a golden age for the Tang Empire. But... Where is my enormous Tang Empire? How did it end up like this? Li Yu: Father, are you trying to usurp the throne?