Reborn for the Gaokao, I Watch as My Best Friend Loses the Whole Class's ID Cards

My best friend loves pretending to be a devout Buddhist. Her life motto is that everything happens for the best. So, the day before the college entrance exam, she deliberately collected everyone's ID cards and threw them away. I told her to stop making trouble, then secretly informed our homeroom teacher, so the exams weren't disrupted. Everyone got pretty good scores. But my best friend failed to meet the rich heir's standards for a devout Buddhist and got cheated on. She went berserk and started taking revenge on me. She drugged me, left me in the bathroom, and slit my wrists to drain my blood. "It's all your fault I couldn't marry a rich heir and reach the top of the world." After I was attacked, my classmates all helped her make up...