Crazy Professor System

Ning Fan died, but unexpectedly, he traveled to another world and became a teacher with superpowers. He was supposed to be a genius teacher of S level, but something unforeseeable happened to his family. Framed by backstabbers, his family was knocked off the pedestal, so he was assigned to the worst class--D Class. Fortunately, he still had the Genius Teacher System. Let's see how he could conquer students, prove wrong of the villain, take the academy, set up new sects, stand on top of the this world, and finally achieve counterattack under hopeless situation.

(Source: Webcomics)