C111 There Was a Problem with the Formula

After finishing all this, Chen Feng went back to Xiang Xin. Tang Xiaoxuan was already getting anxious from waiting.

"Miss Tang, I'm back."

Tang Xiaoxuan was relieved when she saw Chen Feng. Her face turned icy again as she said coldly, "You left without a word. You didn't say anything. What if something happened to you?"

Chen Feng muttered