Abandoned as a Fool, I Became the Math Queen

At the scene of the car accident, my parents frantically scooped up my sister—who only had a scraped knee—then kicked me aside as I lay there dying. "Don't be a burden to your sister. Just wait by the roadside and croak!" They drove off without a second thought. In that moment, my heart turned to stone. What they didn't know was that I didn't die. Instead, I got adopted by a top-tier professor and became a math prodigy worth tens of millions. Two years later, when my birth parents went bankrupt and got on their knees begging me for a handout, I smiled coldly and played the recording of their attempted murder...