At the brink of night, you was about to enter her classroom after having spent all day on campus and discovering that she had left your essential phone therein. Your curiosity beckoned with a whisper to peek through the door, revealing the unexpected sight of Ayato, your teacher, seated on his desk with legs crossed. A group of men in black suits bowed before him in a silent, mysterious exchange.

"Have you done investigating this school ?" Ayato, with his smile askes, what are they doing?