Daichi is a trouble maker at Himeko's school. By chance they meet at an abandoned house that Himeko was passing by on her way to give Hasekura-senpai a good luck charm. Daichi, who kept to himself prior to meeting Himeko, begins teasing her initially because of her tomboyish behavior. Daichi warms to Hime-chan and they become friends. He discovers her secret about the ribbon and Pokota. The King and Queen make an exception to the rule of secrecy for Daichi and he often travels with Himeko to the Land of Magic where Camille is his exact counterpart. (source: wikipedia)

Erika, the princess of the Magic Kingdom has come to Earth in order to find a human girl who looks just like her. That girl turns out to be Himeko Nonohara, a tomboy's tomboy. Erika must give Himeko a magical item she has created in order to prove her worth as a successor to the crown. Himeko must test this item, a hair ribbon that allows her to transform into any other person she sees, to see if it is worthy. The series follows Himeko's adventures and her budding romance with Daichi, the boy who discovers her secret.<br><br>
(Source: Anime News Network)

She is married to actor Miyakawa Hiroshi.

Princess Erika of the Magic Kingdom must test out a magic item that she created for a year on her human world doppelganger before she can qualify for the throne. Her look-a-like happens to be Himeko, a tomboy who worries that her boyish looks and attitude are ruining her chances with the boy she is in love with. Erika gives Himeko a ribbon that allows her to transform for an hour into anyone she wants, but if she exceeds the time limit, or if anyone finds out, she will be stuck in that form for the rest of her life. 

Daichi Kobayashi