Once through time, Li Guinian arrived in the Wu Dynasty, when music and theory were flourishing. I wanted to live a peaceful life, but things didn't seem that simple. I met the emperor by accident, and had a relationship with the emperor that was more difficult than Jin Jian's. What kind of story was there during this period?
As the truth slowly emerged, Li Guinian realized that he had not traveled through time, but... Came back.
Concept: Sweet and sad, it depends on your mood