C38 Poisoning
Regarding the girl's question, Yang Fann only told him her name. As for why she was injured, he didn't mention it.
The girl seemed to be very polite as well. She knew that Yang Fann must have had his reasons for not saying anything, so she didn't ask for more. After a simple conversation between the two, Yang Fann also knew her and her grandpa's names.
This girl was called Li Yan