In the video, Song Mianmian said, “My graduation project results were not good. I had been very anxious in the previous month and could not do well no matter what I did. At that time, I felt that I was no longer myself, and I didn't know. Why would I do something like that, not only did everyone feel disappointed in me, I also hurt my best friend!”

"I have seriously reflected on it. I deserved to be expelled from the school. I admit it and I should admit it. I am also very ...