C417 Choke Marks

In the blink of an eye, he was the only one left in the dark and quiet cave. In that kind of environment, he was terrified and didn't dare to move forward. He just stood there and shouted the names of his three classmates.

The shouts echoed in the cave for a long time, but in the end, no one responded to him.

In such a short period of time, where did the three classmates go? Even if they ran