Lu Xiaochen, a young man from the city, entered the Immortal Sect by mistake, met friends with different personalities, and experienced many dangers such as entering the city by mistake, being expelled from the mountain gate, entering the heaven, and encountering the opposition of the demon sect. He used his unique humor to resolve crises and understand the true meaning of immortality. Love and friendship inspire everyone to live and die together, and finally reshape the world in the battle between immortals and demons. The story reveals growth, responsibility and faith in a relaxed and humorous tone. The book is divided into three volumes, with a compact structure, echoes from front to back, character relationships and main lines gradually progressing, showing more humor and sincere emotions.