C3119 Full of Sincerity

"Knock, knock, knock ~"

At this moment, a short knock came from the tightly shut door.

Then, a familiar sound came from outside the door.

"Professor Qin Luo, can I come in?"

The voice was very familiar. Qin Luo was sure that he had heard it a few days ago.

Arwen!

Did he pack his luggage so quickly?

Qin Luo's eyes lit up.

Arwen's sudden arrival only had one thing to do