What's the name of the novel in which the protagonist crosses another world, falls off a cliff and practices double cultivation with fairies, and then goes up the cliff with a group of leaders to form an evil gang? It is a series of "Happy Little Scholars" written by online writer Rong Xiaorong. Yi Lee, the protagonist of this novel, is a real social science and engineering person, but he has no choice but to cross! With a library in his head, he traveled to ancient times and became a poor scholar. That's all, but it's even harder when a mountain thief is caught in a cottage and becomes a son-in-law of a mountain thief. The protagonist is bitter! Fortunately, crossing lazy Yi Lee is not all bad, but it has a golden finger. The library in his mind makes Li Yixue learn everything quickly. Yi Lee swears: I want to be a thief king, not an official, not going to church.