Can you recommend a romance novel that spans time and space?

In the book, the female protagonist transmigrated into a good-for-nothing and then found that she had a space. There was a Wordless Heavenly Book in the space.
The female protagonist also had a small sapling, but that small sapling used human corpses as nourishment. The small sapling was found by the female protagonist in the forest and was pestering the female protagonist. The female protagonist also encountered a tree in the forest. There were many corpses on the tree and she even saved a man.
The male lead's name had the character Xiu.

Answer 1

😋I recommend "My Princess Is a Killer" to you. The novel was an ancient romance novel written by uuya, which was about the sweet love between a 21st century killer girl and the young prince of the Great Yan Dynasty. I hope you like this fairy's recommendation. Muah ~😗