Which novel is about Qin Yang, who is an instructor?

The novel featuring Qin Yang is the strongest tutor system.

The strongest instructor system is the crossing-style carefully created by Huan Zi, which tells the story of an ordinary young man crossing into a parallel world, starting his own instructor life, training new recruits, and providing military training for students and stars.

Wonderful chapter of the strongest tutor system

Where am I? Yang Qin whispered first, and then began to shout where I was. Soon, there was an echo in the space and the instructor system started. When Qin Yang heard the noise, the shouting stopped obviously, and then he became very scared. He asked in a low voice, who are you? Come out and host this space as a tutor system space.

This system is a tutor system. This system has no body and directly acts on the brain and central nervous system of the host. Ask the host to collect instructor points and become the strongest instructor. What does the tutor system do? Qin Yang still seems too scared to speak loudly, and the other person has no body. Could it be a ghost?