Li Yuan wore the book for no reason because of reading a novel, and transformed into a passerby. People either dress up as the heroine or as a supporting character, but she doesn't deserve a name. This is simply in line with her personality, she hates trouble. She thinks she doesn't have much interaction with the protagonist, so she can go back after finishing the plot, right? Can she really come back?
Mission: The journey is long, so don't forget your original intention.