Ask for the name of a fantasy novel

In one of the novels, the female protagonist hid her appearance at first and met the male protagonist in an inn. In the book, there was an elf who liked the male protagonist very much. One night in the forest, the male protagonist secretly went to sleep with the elf, but he slept with the wrong person. He touched the female protagonist who had hidden her face, and the two of them fell into a very awkward situation. Later, the two of them somehow got together. After the female protagonist recovered her appearance, she even asked the male protagonist,"Do I look good?"
This is a plot in the book. Please give me the title. Thank you very much!

Answer 1

The name of this fantasy novel was Battle Through the Heavens.