C412 Chapter 412

The doctor nodded. With Cheng Xiang’s family situation, she didn’t feel it was her place to ask questions, so she quietly put the hair sample away.

“You need to keep that safe,” Cheng Xiang said quickly when she saw the doctor handling it a little too casually. “I don’t have anything else left. If we lose it, it’ll be hard to get another sample.”

Seeing how cautious Cheng Xiang was