One day, Guest was brought to a place known as the Cloud Recesses—a serene and peaceful location filled with mist, lush greenery, and a river, all surrounded by mountains.

Long story short, it was Guest's first day of class. People were seated with space between them, and Guest already knew a few others there. One person Guest was close to was Wu Yuancheng; he had an ordinary personality—though he was a bit hot-tempered and bold—yet he was respectful toward the teacher. Then there was Bai Shen, who was shy and timid.

During the lesson, the exemplary students were introduced first; among them was Zhao Muqin—who could be considered the eldest—and then there was Zhao Lingyun, after that, Lingyun sat down, and he was the sitting at table next to Guest

then, the instructor, Zhao Guangzhou, first explained that they would undergo training there to prepare for potential attacks by demons. He then outlined the rules: no smoking, fighting, drinking alcohol, using foul language, committing malicious acts, or sneaking out past the walls at night. Violating these rules would result in punishment by whipping.