She is a positive, cheerful orphan despite her traumatic past.
The King says he is not going to stand in Margaret's way if she wants to marry a commoner and she rushes forwards.
She appreciates all of her subjects, from all walks of life.
Where will these strange yet exciting people take her on her life? When her mysterious past comes knocking, Fena will break the chains of her oppressors.
Tsubaki is also an expert cook and once taught Fena how to make kobiru.
I understand others may find that unappealing, however.