C2841 Testing Medicine

"What experiment?" Joker continued to ask.

"I have prepared the medicine. " Zhang Ya mustered her courage and said.

"I have already said that you are late. " Joker said.

"Hm?" Zhang Ya was puzzled.

At this time, a hand stretched out from the other side of the cloth curtain and a man walked out. He frowned slightly. "This medicine is really bitter