My Human Purity Is 100%

In this age, man, pure man, has become a de facto god. Human beings whose purity exceeds 20% are considered noble. Only nobles with a high enough purity can use the "Holy Word", the various languages of the human era; Only in order to use "sacred texts", various texts of the human era; This can be used to start: Supreme technology, ancient prototypes, mysterious spiritual energy. Du Fan, who accidentally entered this future era, became the only 100% pure person in the world...