Boukoku no Oujo ga Negau no wa

The princess who lost everything heads to the enemy nation—The once-peaceful Roan Kingdom was destroyed by the Ostdin Empire. The young princess, Richelotte, lost her country and her family but managed to survive. Ten years later, she assumes a new identity as Liana and joins the knights of the Canarie Republic, marching toward the empire with a single burning purpose: to avenge her family. But when she reunites with her former fiance, Prince Alexis of the Ostdin Empire, Liana finds herself torn between hatred and lingering love. forced to face the desire that has never left her heart. [Original Webtoon](https://ebookjapan.yahoo.co.jp/books/916074/)