C20 A True Human from Another World?

Three blue-skinned "humans" with long sabers in their hands chased closely behind. The bald middle-aged man roared and stayed where he was.

The three youths who were suspected to be students fled with tears in their eyes. They understood in their hearts that the teacher who had been so strict to the point of being terrifying would never be able to return.

Li Zheng stood on the spot