I got into a car with these people without any defense. They wanted to take my weapons away, but I refused to hand them in. I just looked at them and said something very cold: "If you think you are my opponents, you can come and get my knife."

No one dares to be merciful, including Cao Xiaoxiao. I was sitting in the back of the car next to the two men before me. I sighed and asked the man on the left, "I've been practicing in a closed house for half a year. Can you tell me what happened in half a year?"

He looked at Cao Xiaoxiao hesitantly,...