Erika is the princess of a Magical Kingdom and also the creator of the Magic Ribbon. To become Queen she needs to create a useful magical object. And in order to test the ribbons usefulness Erika must give the ribbon to a girl in the human world who looks identical to her this happens to be Himeko for a year. Once she gives Himeko the ribbon she is unable to leave the Magical Kingdom until the year is over and is only able to watch Himekos antics through a crystal ball. Although at first Erika is a little worried about giving Himeko such an important item she quickly becomes very fond of her due to Himekos warm and cheery personality.