C512 The Insidious Prescription

"This..."

Ye Ziyun and Ye Zifeng stared in horror as blood trickled down from their fingertips.

"Benefactor, how were my parents poisoned?" Despite the situation, Ye Zifeng, being a man, managed to maintain more composure than his sister Ye Ziyun.

"Well, blood poison typically results from ingesting something. But judging by the color of your parents' blood