At the age of 10, Emila watched her parents get murdered by an assassin right before her eyes during a riot. Before the little Emila could meet the same fate as her parents, she was saved by Nello, who raised and trained her, promising to help her avenge her parents.
Eight years later, the opportunity is given to Emila when she takes on the task of saving the Crown Prince of the Ponango Kingdom who has been captured by the same group of assassins who killed her parents.