Datang: Kill the Emperor at the Beginning

"Li Yuan, you are a damn old man. You know nothing but playing with the concubines of the previous dynasty. Playing mahjong for me will help prevent Alzheimer's disease!" "Changsun Wuji, I have decided not to kill you because I need an educated eunuch! Go to the palace for me!" "Wei Zheng, don't think of yourself as a gentleman. If it weren't for me, you would be afraid to die of recognizing your new master. You know whether you are a loyal minister or not!" … Time travel to Li Chengde, the eldest son of Li Jiancheng, during the Xuanwu Gate Incident. See how I can reverse the situation, become the strongest emperor, develop science and technology, and build the prosperous age of the Tang Dynasty. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.