Down with the Natives!

Time traveler? In the eyes of the natives there, they are only slightly better than dogs because the travelers can speak human language. Every once in a while, there are a group of cunning and treacherous extraterrestrial visitors, and the natives rely on force to enslave batches of travelers. Until Zhao Yifan came here, "Don't worry, Mayor, I will protect you." "Tremble, natives."