C1544 Informed
Guan Yunfei's demeanor was very indifferent, as if the things that Qiao Yifan said had nothing to do with him. On the other hand, Xie Fei's expression did not look normal.
Of course, I couldn't say that she was the one who killed Qin Lu just because of Xie Fei's abnormal expression. But at the very least, I could say that she more or less knew about Qin Lu's death, or had some guesses about it