There is a two kingdom in the a district of Shiwarita.The Himari Kingdom and Kiranai Kingdom.The Kiranai kingdom was cursed by an old man 1000 years ago,the people in Kiranai where cursed to be born as a immortal Vampire.In year 840 two child's were born in both Kingdom the 84th prince in Kiranai Kingdom and the next Princess in Himari Kingdom