C104 This Is Called Striking First to Gain the Upper Hand

Koo Tingchen gritted his teeth in anger.

Just as he was about to scold the brat, the kid took out a small box from his pocket and opened it. Inside were some powdery things.

Without any hesitation, he poured the powder on his hand and rubbed it hard. Then he patted his wound hard. "Bear with the pain, although it will hurt a little. It can be used to disinfect and stop bleeding