While the students began their training in the second week, the school needed to face another visitor.
The school principal let out a long sigh while looking outside the school through the window.
He turned around and looked at the pile of documents on his table. Next to the table was a shelf filled with books. They all had a label from "A" to "J".
Sensing someone's presence right in front of his door, he frowned and said, "Come in."
Creak.
The door gradually opened as a middle-aged man entered the room. Gray, short hair hung over a long, tense face. His sharp brown eyes emanated an indescribable fighting intent, watching the principal cautiously.