C847 I Don't Mind Making You the First

Nie Kai didn't inject them with this kind of medicine to prevent her from running away, did he?

Seemingly seeing through Su Wan's doubt, Nie Kai "enthusiastically" helped Su Wan answer.

"This is a new medicine that my subordinates developed. After injecting it, it can increase one's physical strength greatly. I can't even feel pain. Later, I will get people to inject this drug to everyone else