White lion, the tactical commander and pace-setter mermaid, they are the experimental body of the research institute before. They depended on each other but they used each other too. Because of a misunderstanding, the white lion was injured by the mermaid, and said that the next meeting would be revenge. But the next time they meet, he can do nothing but protect his mermaid... (Source: Webcomics)

There are thousands upon thousands of demons in the world, and half of them reside in Zhaoye City. As for the other half, they all died in northern realm of Canlangli, under the control of the Celestial Immortal Xiao Fuxuan. Only one demon remained alive there, imprisoned for the last twenty-five years. He is Zhaoye City's former lord mayor, Wu Xingxue. (Source: Kuaikan, translated)