C330 Skin thickness of face

"K?"

After running for a long distance and ensuring that the unibrow man did not catch up to him, Du Chunfeng finally stopped in his tracks.

As he mulled over this somewhat unfamiliar word, Du Chunfeng didn't know what this' K 'meant. This word was said by the unibrow man in the private box just now, but from what the unibrow man had said, this' K 'likely represented an organization, or someone