It can be sweet or cruel, and it can also be dark, but try not to be bloody. The principle is that the plot is reasonable and the IQ is online.
Soft science fiction with a slightly dystopian bent. In the future world, science and technology develop, and transgenes and humans coexist. Transmutation is the mutation and evolution of human beings. Their intelligence level is generally higher than that of humans, and some physical characteristics are better than humans. However, for some reasons, they become slaves of humans.