CARMINA's Black secret

Carmina, a name that everybody knows well except in the human world.

Meralda, Carmina lives there before.
Meralda is a place, so it's name is Meralda because Carmina's mom is the Emeralda so she just name it Meralda. Meralda is also called white castle
Vixioria, now this is the place where Carmina stays.
Vixoria is a place, all people their are bad and Vixoria is also called The black castle.
so here's the story. Carmina has 4 sisters namely Catherine, Cat, Carmine and Cassy. The three girls ( her sisters) plan to betray Carmina because Carmina is next for the throne and they don't want to. The next day they order to Carmina to get the black gem and her mother saw it and abandoned her.
Diana, is the queen of the black castle. She adopt Carmina and crown her as the princess of the black castle.
Diana order Carmina to get the black gem so that they can take their revenge but the problem is that queen Emeralda hide it in the human world. now Carmina is in the human world.