"Thirteen's cell phone is left here. Where has she gone?" On the fifth day, I picked up my mobile phone and said with worried face.

it's at a crossroads. There are several alleys connected. Looking around with a flashlight, I never found anything else.

"it may have been accidentally dropped here by shisan. Seeing her mobile phone here, at least it means that she has come to this place. We are looking for the right route." I try to use a more moderate tone with the fifth day, try to reduce the fear in his heart.

"which lane shall we chase next?" Asked the fifth day.

I took the mobile...