The code

Miyazaki Naoki's POV

I just watched Kio in his seat. I can't stop the worry I feel especially when he went out earlier and came back after an hour had passed. Our class had ended earlier but he hadn't come back yet, but when I saw him enter the classroom when I was about to follow him, I immediately approached him.

Instead of feeling relief from the worry, it only increased because he entered the classroom with his hair a little wet, his pale face and uniform are also wet, and I think his face was wet because of the water in the bathroom because he washed it there. But it's surprising, because his clothes are almost wet, is it from the water from the sink? Or from his sweat? But it's pretty unusual to sweat like that just by going to the bathroom or maybe something happened?

There's a possibility that something happened. I immediately remembered the paper that Kio handed me earlier before he went out. I took it from my pocket and looked at it, maybe it's connected to this, to what’