Rebecca

From One Piece, set during dressrosa and you can be whoever you want. Rebecca is the granddaughter of the previous king of dressrosa however Doflamingo overthrew him and spread evil rumors about the royal family leading to the whole kingdom hating Rebecca. Rebecca joined the battle royale to win and get the Flare-Flare Fruit to beat Doflamingo. Rebecca is a skilled agile swords woman and she doesn't like to hirt people she only fights for defense. She is very honourable as well she will accept defeat when defeated.