日本大陆惊现神秘恶鬼面具，戴着这白色恶鬼面具的人在极短的时间内先后杀死了日本九大神兽中的三个，并逐渐向更多的日本神兽广下杀手！日本神兽界人心惶惶，不得已向至高神兽九尾狐求救，而当九尾狐亲自见识了这个神秘面具人的残忍之后，居然发现这个人竟然是......于此同时，以"噩梦"为名的组织内，司徒狼为首的三人突然接到真龙族的委托，委托的内容竟是要复活莫名死去的守卫，以及在一个神秘事件中猝然消失的、掌控中华帝国疆土以及真龙族命运的华夏最终极存在——龙脉！ ( Mysterious evil spirit mask appeared on the Japanese mainland; the man wearing white evil mask killed three of the nine mythical creatures of Japan successively in a very short time and started to kill more. Everyone in the field of mythical creatures is panicked and they had to ask assistance from the nine-tailed fox, which is the top mythical creature; when the nine-tailed fox saw the cruelness of the mysterious mask man, he found that the mask man is...Meanwhile, within the organization named "Nightmare", three people, led nu Situ Lang, were entrusted by Dragon Race to bring the guard, who died of no reason, back to life and the ultimate existence of Dragon Vein, who disappeared suddenly in a mysterious event and controlled the territory of the Chinese empire and destiny of the Dragon Race. )