I Met Him Again at the Corner.

After her tragic death at the hands of an abusive ex, Su Ruoli is reborn with a system that lets her communicate with people from the future and earn money by solving their past dilemmas. Determined to save herself, she tackles each mission while avoiding her former tormentor—until she’s suddenly tasked with helping the domineering school tyrant from her past life, who becomes unexpectedly attached to her, throwing her carefully planned path into chaos.