I learned how to slay gods in a mental hospital. Chapter 152: I Am Sick

At the entrance of the training camp. A man in casual clothes and a duck-billed cap sneaked through the gates. He looked around vigilantly and silently pulled his mask up to completely cover his face. "Who are you?" asked the instructor on duty at the entrance, looking puzzled. The man pulled a pass out of his pocket, handed it to the instructor, lowered his mask by a corner, and whispered…