C539 Designed to Kill with a Borrowed Knife(2)

In the middle of the night, it was exceptionally quiet, only the footsteps of the patrolling sentries could be heard. The students who had trained for the entire day had all rested. The lights in the instructor's dormitory had also been turned off.

Suddenly, the rapid and ear-piercing sound of "emergency assembly" woke up the students who were sleeping