ly became emptier. 。But after waiting for a while, Cheng Kexin didn't see Gu Chi come down, so she guessed what Gu Chi was doing upstairs He used to get off work on time!Thinking about this, Cheng Kex...Zhi stopped her. 。"Ke Xin, there's sulfuric acid on top" 。Hearing this, Cheng Ke Xin was only stunned for a moment, and then she wanted to put her hand on it again, but Gu Chi had already stepped for...