This type of novel often involved time-travel and the plot of the prince/emperor falling in love with a modern girl. The female protagonist was usually a smart and talented woman, while the male protagonist was a charming and powerful prince/emperor. The plot often had conflicts and twists and turns. The love story between the heroine and the hero often led to some complicated emotional entanglements in time and space. These novels often involved court struggles and political power struggles. At the same time, there might be some romantic and warm scenes that let the readers feel the culture and lifestyle of ancient society.