Pahonui Daega

As the chosen one prophesized to bring stability to the empire, Ersia Fesentera had lived her entire life as the future crown princess... until it is revealed that another girl is the chosen one. In a day, Ersia loses her position and all that she worked hard to achieve, while her supporters and her own beloved fiancé abandon her. Enraged and hurt by this turn of events, Ersia swears to take revenge on those who turned their backs on her... starting with her former betrothed and his new fiancée.
(Source: Tapas)
Note: The chapter count includes 7 side stories.