European and American science fiction works mostly tell stories about disasters, technology, survival, evolution, etc. From the perspective of male audiences. The overall style is more tough and less romantic. This article starts from a female perspective and sets the background of human society on earth thousands of years in the future. Of course, in the face of changes in the living environment, humans have also transformed their own forms of existence to better adapt to the environment and survive. This is a story about the life, not just survival, of Chinese girls in the 21st century in a future world where men are transformed into humans or cyborgs and there are fewer women.