This article travels back in time, and the female protagonist is 18 years younger than the male protagonist.
The heroine's character is relatively naive, immature and a bit radical at the beginning, but she will gradually mature and become responsible as she grows up.
The male protagonist is a famous prostitute in a brothel. She is very talented, has excellent piano skills, and has a cold personality.
Typical novels about women, boys, and an imaginary world. If you find that some of the content is inconsistent with the actual ancient times, it was set by the author himself. There is no need to correct him. The author knows it clearly.