The screen suddenly went black.

The spacious office seemed to have lost all its light source, and all of a sudden it became incredibly gloomy.

The heavy curtains were tightly drawn, isolating the light from the outside world, and in the office where no lights were turned on, Chen Fangqing was sitting on the sofa, his face so gloomy that he could even be described as grim.

Lin Yohan said he'd prove it to him.

How do I prove it?

With what proof?

And what are ...