C77 It's Impolite Not to Reciprocate

On the whetstone, along with Jianghan's art of Edge Grinding, everyone was stunned. Until the last moment, Jianghan stopped. Only then did everyone suddenly realize what was going on. When they looked at the kitchen knife again, they felt a chill run down their spines. Just by looking at it, it was as if a sharp steel knife was coming at their throats