I Became a Head Teacher Training System

As a time traveler, Zeng Deshen felt very sad. The system is obviously activated, but it is someone else's system, and I am this system. Unable to start his own invincible path of meeting gods and killing gods. At the same time, in order to protect the host from being killed. He had no choice but to arrange a way for the host to become stronger. (This book is purely original. If there are any similarities or similarities, please forgive me for copying.)