The Maid's Secret

In the imperial palace of Cherry kingdom lived a maid who serves the tenth concubine of the king. She has a secret that could make the world bow to her. What is it and what is her origin? Will she forgive the 7th prince after he betrays her? Will she help her country swim out of the river it is thrown in? Read to find out the answers the cover isn't mine. pls, do vote and comment. .