As an ordinary human warrior in the Holy Light Kingdom, Red Longyu, an extremely evil 18-year-old boy, not only likes money, power and status like ordinary people, he cannot lack real beauty in his life! By chance, he was reincarnated on the body of the demon horseman, and completely hostile to the human race he originally belonged to. When he awakens the most perfect power in the world - the Chaos Force, and the ultimate magic weapon lurking in the war energy - the ghost spirit mark, the Frescia continent can already foresee a new era opened by the real big devil...