Walking down the metal stairs, it became more and more dark. In front of them, there were two big words with blood red, "thirteen".

this is the 13th floor. This is the 13th floor that the jailer should guard just now. According to the regulations of tiejiaoshan, there are two guards on every two floors. However, as everyone relaxed, there was only one jailer to guard them. Now the rest of the jailer also gambled, leaving Ji Xiaoxin to take care of them.

and another jailer who let Ji Xiaoxin take the lead is just the 15th and 16th floor of management, so now only Ji Xiaoxin is on the...