The three realms are chaotic, where immortals, demons, and humans coexist. Lin Xiao, a naive young man, accidentally got a talking fox Chai Xiaoyao, and started a life of expansion and immortality. They happened to meet the calm girl Hua Yuyao and the cute scholar Feng Yanxing, and formed the "Four Wonderful Heroes". They traveled across Kyushu and embarked on a crazy adventure step by step around incidents such as lost fairy weapons and the invasion of the demon world. Lin Xiao gains friendship, grows up, and resolves many crises with humor while recklessly getting into trouble. The book tells the story of growth and bondage in a coexistence of thrills, passion, and humor.