Once upon a time, there was a family having strong influence on the rule of the Imperial Court. They had their own might called Kidou, and yet got hated because of the might itself. At last, their patriarch was entrapped to his death, and the family was doomed to ruin. The present day, the descendants of this family, now calling themselves Kidoushuu, schemed to resurrect their murdered patriarch and the ferocious evil spell went into action.