C422 Xiao Hei Yao

The process was very smooth in front. Xiao Hei had successfully poured the medicine from his pocket watch into the coffee cup, and just as he was about to put his pocket watch away, he heard Ling Yun's voice.

"Xiao Hei, you're here." Ling Yun's happy voice came from behind him, this caused Xiao Hei to be extremely scared, and the pocket watch in his hand almost fell to the ground