C420 Another Problem

The iron cudgel looked exactly the same as the one Liu Feiran had used to activate the elevator's hidden button. Just like that, the cudgel was handed over to Xu Ling. He had completely regarded Xu Ling as one of his own.

Xu Ling did not refuse this. He quietly took the key and put it away. Then, he asked thoughtfully, "Such a mysterious research industry actually allows researchers to be free