This will be a Jelsa A.U.

There once were two kingdoms, one named Arendelle, and the other named Frostabia. Both kingdoms suffered from money loss and decided the best way to solve their problems was to join together. So, each King and Queen bore a child. The Arendelle royals gave birth to a beautiful baby girl named Elsa with the power of ice and snow. The Frostabia royals gave birth to a handsome baby boy named Jack who had similar magic, but of frost. The newborn Princess and Prince were engaged by the time they were six months old, an arranged marriage. Once they reached the age of eighteen, they were informed of their engagement and a day was planned for them to finally meet. Elsa didn't like the idea of an arranged marriage one bit. She didn't even want to meet the Frostabia boy and she wouldn't have if she wasn't forced to. Jack on the other hand was rather excited to meet the girl, especially knowing she had the same magic as him.

The meeting was held in Arendelle. All six royals met for a dinner so the couple could meet. And this is how it went...