Don't chase after the school heartthrob

In her past life, Lin Susu was deceived and murdered by the man she loved, Jiang Fan, which also led to the tragic death of her entire family. Tortured and confined to a mental hospital before her demise, she died filled with hatred after witnessing the true, vile nature of Jiang Fan and Meng Wanyu. Reborn, Lin Susu is grateful for a second chance. Fueled by the hatred from her past life, she is determined to study hard, shed her reputation as an underachiever, and push the scumbag into an abyss of despair, making him regret it for the rest of his life. But... why is a younger junior suddenly pursuing her?