A fantastic story happened between "Zuo Lipan" and "Yan Xi", high school students of Yanyan Academy. Zuo Lipan became demonic because of being cursed by the source of darkness in the forest. Unknown to Yan Xi, he was planning to express his love to Lipan, who had been secretly in love for a long time. However, what he saw was Lipan who was possessed and passed out. Yan Xi, as a spirit of nature, exchanged the memory of his "love" with Yannv and used the power of memory to suppress Lipan's demonic nature. At the same time, she lost her memory of when she fell in love with Li Pan, and a sad and nameless love story unfolded...