Datang: Rebellion at the Beginning

I accidentally came to the Zhenguan period of the Tang Dynasty. And I became Li Chengyang, the youngest son of the former crown prince Li Jiancheng And I also got the strongest emperor system, which can summon various characters, I can summon armies, historical figures, martial arts figures, and two-dimensional figures. I am in this world just to kill Li Shimin for revenge and regain the throne. Then let my revenge, Li Chengyang, begin! Li Shimin, I want you to pay a heavy price! Just wait! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.