C99 (part I)

Zhuang Yujie wasn't just taking wild shots.

After a half-minute of silence, the distant sound of footsteps began to approach, growing clearer with each passing second.

The infamous No. 3 Tunnel was notoriously narrow, barely wide enough for two people to walk abreast.

Now, the trio stood at a twist in the serpentine passageway, the footsteps echoing more distinctly in the oppressive darkness