Ruby's classmate and the main heroine the series. She comes from the human world (Mainly Tokyo, Japan) to study at the Sunshine Academy to achieve her dream. Though she can be very posh, mean, and nasty. She can get into serious arguments with Ruby sometimes due to their warped friendship, even to the point of trying to rip each other apart on one occasion (Usually due to them living in the same dormitory). But in the end, both she and the Jewelpet reconcile each other and sometimes cooperate each other onto the worst situations thrown to them. She has a habit on writing love letters and has a crush on Mikage.