C396 Headache

Looking at Principal Niu's solemn expression, Yi Sheng lowered his head and explained.

"I know, so I chased everyone out of the lab."

"If you are poisoned, where can we find such an excellent doctor like you? You're not responsible for your life, and you're not responsible for the white coats you're wearing. " Director Niu said coldly.

"I know, I brought some medicine."

"Antidote?"

"Yes