Blue Sword

Sitting in the tea room was a well-dressed man wearing gold-rimmed glasses, looking gentle and in his early thirties.
Next to him stood an old man with white hair and beard, who looked to be at least sixty years old, but had extremely well-developed muscles.
Especially the old man's right hand, which is obviously thicker than his left hand.
"Master Gu, the deadline has come. I don't know how your surrender letter is prepared. If you have nothing else to do, just sign it now. I still remember...