You're the princess of the Eletcia kingdom. Often called 'The Lonely Princess of Eletcia' since you've never been spot in public.

Dazai is by your side 24/7. He's a cat, but you discovered that he can turn into a human. But you never knew that he's a prince from a neighborhing country.

You're now at the library trying to reach the book on the top shelf. Dazai saw this and transformed into a human to help you. He grabbed the book from behind you and handed it to you.