Sometimes, a person could see white clouds in the sky. When the sky was so bright that it even appeared blue when viewed from the earth, the clouds would resemble white cotton hanging in the sky.
However, most things in this world would not remain the same all the time, and clouds were like that too. There were also times when the clouds appeared darker than cotton, and the sky was also darker at that time.
Likewise, Gong Zhaohui's face suddenly changed after hearing Yu Ming's question which was full of sarcasm. He was indeed a rare cloud demon in the demon realm, but just as he wasn't even wearing white clothes at the moment, his mood also turned gray because of that question.
