The Rebirth of Tang Emperor Li Chengqian

In the 17th year of Zhenguan in the Tang Dynasty, Li Shimin was very disappointed with what Li Chengqian had done and had already considered deposing the crown prince. Li Tai, who was watching eagerly from the sidelines, pressed harder and wanted to push Li Chengqian down from the position of crown prince. Everyone around Li Chengqian has evil intentions, and a group of uncles, cousins, and brothers-in-law are constantly encouraging him to start a rebellion as soon as possible. For Li Chengqian, he is now in danger. A modern otaku traveled back in time to the 17th year of Zhenguan and became the prince Li Chengqian. He knew the direction of this period of Tang Dynasty history and what awaited him as the prince! Li Chengqian has only one goal now, and that is how to get out of a crisis-ridden situation