C488 How Could It be You!

After an unknown amount of time, someone knocked on the window twice.

However, the force was not too great. It was as if something had hit the window.

Liu Qingshan didn't move at all. He just stood there and waited for the people outside to come in.

It probably wasn't the first time Lee Zian did this, so he was very careful.

He knocked once but did not immediately enter. Instead