Yandere, Pseudo-Academic Scumbag

In her previous life, she was an out-and-out scumbag. She was bullied by her classmates, insulted by her teachers, scolded by her parents... And suffered from severe depression. He committed suicide on the 29th of the twelfth lunar month and accidentally traveled back to the second grade of junior high school - a time when nothing happened. Let's see how she teaches bullies, drives away unscrupulous teachers, educates ignorant parents, crushes arrogant classmates, and becomes a campus legend.