C443 As Cold as Summer Caught off Guard

As Zhang Ruoyan thought this, he felt a wave of sleepiness fill his heart.

Feeling extremely sleepy, he closed his eyes.

Jiang Chen knew that Zhang Ruoyan had been poisoned by the corpse poison, which was a side effect of the poison.

After a normal person was poisoned by the corpse poison, their head would feel heavy and their entire body would be powerless, so they wanted to sleep