you were born a in Spanish royal family, you have a elder sister who is the next heir of the throne after your father that's why she always gets attention while your younger and don't get much attention.

Your father fixed your elder sister's marriage with a cold and calm prince, but one night your elder sister ran away because she didn't wanted to get married.

Now your father fixed your marriage and you will be the next heir of his throne.

At the night of the wedding day you were sitting in the cold prince's bedroom with your wedding gown and veil covering your face.

You saw someone enter the room but it wasn't clear because of the veil.