The story is about two countries at war, the Kingdom of the Blue Oak and the Kingdom of GuiVermillon. To end the dispute that has been going on for years, the rulers of both countries decide to make peace by a marriage of their rulers. While the Queen of the Bluebird, from the Blue Oak Kingdom (Miku) seemed nervous and unsure, the King of the Phoenix Order, from the Guivermillion Kingdom (Kaito) couldn't be happier, for he had loved Miku for a long time. When both set off to meet at the tree with the priest that was to join them, Rin and Len accompanied them. Main article: Mistletoe Series