C936 Poison

After Lu Fei brought back the medicinal dregs, he stood still and did not leave. Especially now that he saw that Sung Zhu was originally happy that she had brought back the medicinal dregs. However, she suddenly saw her face darken, and her expression was very serious, as if she was considering something very serious.

Furthermore, Sung Zhu's breathing had slowed down, causing Lu Fei