C389 Sudden appearance

The door opened, and Gao Yang quietly entered Fang Fei's house.

Before entering the door this afternoon, Gao Yang affectionately stuffed a piece of semi-solid object into her keyhole. When he left, he had to pull out the half-solid object without leaving a trace.

In such a simple manner, after Gao Yang returned to his original position, he made a temporary key out of it.

Of course