Konoha, Ninja Academy.
A few days passed, and Iruka finally felt that something was amiss.
Over the last few days, he felt that his students had become active once again.
The looks in their eyes no longer held fear; instead, they were chatty and smiling, and only when he deployed his Eight Fragrances of Fire genjutsu would they reveal looks of distress.
Yet the moment they turned and left his sight, they were laughing and chatting again, looking nothing like people who had suffered for half a day after being hit by a technique.
At first, he thought the children had simply adapted and were far better at this aspect than he was.
However,
this situation started from the third grade, and gradually,
second grade, fourth grade...
Except for the first grade, everyone showed this pattern.
This made him feel that something was wrong; his excellent ninja instincts told him that he had to get to the bottom of this situation.
Bang!
Iruka transformed into a blackboard eraser, waiting quietly.
He waited for class time to arrive, preparing to use the exceptional intelligence-gathering skills of a Chunin to collect their secrets.
He firmly believed in this.
Ring-a-ling!
As the class bell rang, students walked in one by one from outside.
Every single one of them was extremely lively, though a few looked rather sleepy.
Ah, we have Iruka-sensei's class today again, how wonderful!
Yeah, just thinking about pretending to look all miserable in front of Iruka-sensei...
It is so much fun!
Are we still going to play along today? I want to skip class and go play outside anyway; Iruka-sensei's trick doesn't work anymore.
Chattering children's voices rang in Iruka's ears.
They also allowed him to gather a scrap of information.
The trick taught by his teacher had already been