Extortion
Hearing the woman's words, Qin Yan huffed out a burst of angry laughter, "You mentioned rear-ending him yourself. Under traffic laws, if a person collided with someone they were tailgating, it's all their fault. Now, you've admitted to tailgating someone, so you're fully responsible!"
She continued, "You deserve the broken electric-powered scooter. Initially, I wanted to help my grandfather subtly settle the matter, but since you're acting unreasonable, then fine. Now, I want you to compensate my grandfather for his mental trauma and shock."