The Broken Daughter. The Lost Daughters, #2

Xiaofan, the princess of Jinu, thinks she has it all. Her parents love her. Her father gives her everything she's always wanted. And she looks down at the peasants from her high throne like she's better than them. But then her parents have another child. Jinhai, the first-born son. The future king of Jinu. And Xiaofan feels her entire world crumbling beneath her. To make matters worse, she discovers that she has an older sister, Xiuying, whom her parents had sent away many years ago.
And now they're telling her she's next. That it's time for her to become an orphan and pretend like she's never been part of the kingdom. She's heartbroken, devastated, but a decade later, her life begins to look up again. In the form of Han, prince of the Shénhuà Kingdom. Until he reveals that he can't be with her, leaving Xiaofan broken once again. Will she ever get a break from her never-ending sorrow?