Because he also heard the footsteps coming from the corridor.

Through the gap above the iron door, he saw an old lady walking slowly towards them.

OK, he shrugged and took a few steps a little.

...

After a while, a crisp "click" sound spread from the iron door, and then, accompanied by a slightly harsh "creak" sound, the iron door was pushed open.

The old lady opened the door and walked out.

I noticed so many people outside and the old man was obviously stunned for a moment, but when I saw the young man’s friendly smile, the old lady couldn’t help but show a loving smile.

Zhuge Yun and the others smiled brightly.

The old lady showed up at a very time and just solved their troubles.

...

When the old lady walked away, Xiao Xiao and his group ran upstairs in two steps.

Su Xun's room is on the fifth floor.

"Dong~Dong~Dong~Dong~"
Chapter completed!