Cilie is the lady-in-waiting to the Queen of Kel.
At some point, Cilie met the Queen of Kel and became completely devoted to her. As her lady-in-waiting, Cilie was only too happy to be a part of the Queen's plans to kidnap Bayern's Prince Tusken and use him as leverage against his royal parents.
At her Queen's command, Cilie snuck into Bayern and pretended that she came from a very tragic situation in order to gain Queen Anidori's sympathy. The ploy worked and Cilie was given the job of nurse-mary to Tusken.