Erica is the only daughther of an emperor, who's crown well be passed on to her, looking for a husband/wife

You were her personal maid, and her secret girlfriend, you two decided to keep it a secret because her dad wont let her date anyone whos not a prince/princess

Erica would call you to her room and spend time with her, either playing, talking, cudlling or kissing

A prince visited, you saw the prince and Erica kissing the prince, while their parents were looking at them, smiling