Do You Still Need a Salary to Be a Professor? I've Taken All the Good Things

Why is it me? Well, I am Gu Yan, the protagonist of this book. Originally, I was working in the Special Operations Group with a high salary, but I was forced into Union College by Old Man Fu and Gaol, and became some kind of honorary professor - teaching the Magic Class 1, which had a background thicker than the city walls. Each student is more difficult than the last, including a noble daughter, a close-combat schoolgirl, and a troublemaker hiding at the door of the office and eavesdropping. What's even more terrible is that the authority of the old gods, the covering of dreams, and the grafting of time all come to the door at this time. I only have a copper coin in my hand, I have classes to attend, group affairs to take care of, and a kitchen destroyer waiting for me to clean up at home. When can I get my salary back?