C213 How can God be so cruel

In the laboratory, Chu Yufeng sat quietly by the side with a nervous expression on his face. As time passed, his worry was growing.

Yu Huan's poison seemed to grow on his body. Seeing how she pretended to be indifferent, her heart ached from the pain.

The door to the lab opened, and the Pharmacist walked out shaking her head. "Young master Chu, this poison is too hard to cure