A girl from the modern history department traveled through time and became Princess Li Mingda of Jinyang, the legitimate daughter of Emperor Taizong of the Tang Dynasty, bringing with her a complete historical memory of the early Tang Dynasty. The original owner, Ruan Nuo, died young (died of illness at the age of 12). The time-travel heroine is sober and thoughtful, but she cannot change the direction of the entire history.
Concept: Changes in historical figures