If you write well, it is more likely that some sentences will be copied. Because everyone wants to save classic sentences or use them as personal QQ signatures.
Possibility of plagiarism It's very small, because you are original in JJ, and the right to publish your work is in JJ. If anyone plagiarizes, you will be protected by law.
But your work is really well written, so these questions don't need to be asked. You are worried that your readers will know who wrote the book and it will not cause the situation you mentioned.