C82

However, the door at the back was closed and there was nothing to step on, so it was impossible to see what was going on inside.

If he had the chance in the future, he must have Feng Qianlou teach him Qing Gong. In that case, this kind of place wouldn't be a problem at all.

After walking around once, she went to the corner door that she came from, but strangely, the corner door was now open