Demon Lord and Saint Lord

The protagonist Qing Feng accidentally traveled through time and was reborn in another world. Let's see how our protagonist dominates in this other world? How to use modern knowledge to change the world. In this world where humans, gods, demons and monsters coexist, stand on top of the world and see how our protagonist can save the common people for the sake of the peace of the universe? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.