A comedy story about a nine-tailed fox that has been sleeping for 500 years and accidentally escapes from its seal and then lives together with a human man. By chance, Cha DaXiong, an ignorant rich boy, rescued the nine-tailed fox that had been sealed in a painting in Samshen Temple for more than 500 years. The fate of the man and the monster were linked from then on. The nine-tailed fox followed DaXiong to Seoul. Modern civilization made this mythical monster make a lot of jokes. She is very smart. The extreme love of eating meat adds a lot of fun to the carefree life of Nobita. As time goes by, they fight and fight, and feelings gradually arise. Nobita owns the fox bead of the nine-tailed fox. After absorbing 100 days of popularity, this bead will turn the nine-tailed fox into a human being, but this will cost Nobita's life. In this materialistic, cold and cold modern society, what will happen to their mythical fate in the end?