The class bell rang and everyone shut their mouths. There was a dead silence in the classroom. Everyone's eyes were focused on the door of the classroom, looking forward to the gorgeous appearance of this new teacher.

At this time, a young man in his 20s came in and walked to the podium.

The student in charge of the attendance was stunned. He had just counted the number of people, and all the students who participated in this open class were in front of him. Who was ...