Diamond Princess Clara

The Royal Jewel Academy is a magic school in the Enchanted Land of Wistaria, where Wistarians learn how to control their powers. One day regular girl named Clara finds herself attending the school after discovering she has powers. Not only that, she discovers that she's under a spell to find a hidden Treasure called "The Heart Of Wistaria" which is hidden within the deep depths of Wistaria in order to defeat an evil ruler named Queen Scoria, who plans to rule Wistaria.