C2175 Life in death, the underground world

The engineering robot quickly arrived at the hole that You Xue mentioned, it continued to walk, but before it had taken two steps, it suddenly sank down.

Xia Lei looked at it in shock, watching it fall down quickly until he couldn't see it.

"It fell." You Xue said, looking very nervous.

Xia Lei suddenly reached out and wrapped his arms around her waist, leaping into the air with her