The buzzer spun, sending out one shrill blast after another.
Watching the students on the playground successfully complete the evacuation drill, the teacher smiled with satisfaction and called to someone beside him.
"Turn it off. That's enough."
The person nearby hurriedly cut the power. It certainly wasn't a pleasant sound.
But...
"Why hasn't it been turned off?"
His eyes filled with confusion. It would be no small matter if this caused a misunderstanding.
But the other person looked even more baffled. Rubbing his ears, he frowned and examined the machine.
"I already turned it off. I even cut the power. How can it still be ringing? I specifically checked it yesterday..."
"...!!!"
