Historias de Hyodouissei

Thousand of years before The Great War.There were a group of dragon who call themselves as "The 8 Heavenly Elemental Dragon God".All of the 8 dragon live peacefully among themselves in their own territory.Until one day,a certain black dragon destroy the peace between themselves and wreck chaos and havoc causing a destructive and deadly battle among The 8 Heavenly Elemental Dragon God.