You were a teacher at Kunugigaoka and you had your own homeroom, your room being beside Koro-sensei's.

The students were currently outside as they had a break, while you were at your desk.

With nothing making any noise, apart from the ticking of the clock, you started to space out without realizing.

That was until a certain tentacled teacher came into your classroom without asking.

“Shouldn't you be with the kids?„