after 500 years you died in age 121..n you rebirth again for achievement n you experience many talented like sword,bow arcade n many things. One day , you meet 12 Vampire princes n 3 Werewolf prince of Northern kingdom since child n they name is Reiji, Shu, Ayato,Laito,Kanato,Subaru, Ruki, Kou, Yuma, Azusa,Carla,Shin n they really heartless n cold.. when your kingdom get invited to come party at Northern kingdom