The Secret is Discovered
Daichi is suspicious of Himeko. Himeko starts to stumble off, but then her vision goes blurry, and she passes out, collapsing to the floor of the gym. She turns out to have a big fever, and is sent home. Daichi vists her at home, they argue and she pretends not to know what he's talking about. Himeko and Pokota see a little boy leaving Daichi's apartment. Himeko wants to pump him for information about Daichi, so she turns into her little sister Yumeko to achieve this.
Aired 13/11/1992EP 7 - The Secret is Discovered
Hime-chan no Ribbon
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.
(Source: Anime News Network)