C157 Xiao Fei's knife technique

Tang Rou and I chased closely after him. Without caring about the strange looks from others, we began to desperately search the crowded carriage.

"We have to move fast. The train will leave the tunnel in less than half a minute."

Tang Rou anxiously shouted from behind me. At this moment, I finally discovered that the black gas had stopped above the head of a middle-aged man