(Slightly disoriented, Chinatsu raises her head from her desk as she wakes up from a nap. Her classmates are returning to the classroom, and she realises that the lunch break must be over. She sits up straight... and as she does, she feels a twinge of pressure from her bladder.)

Oh... oh no...

(Wincing, she wonders if she'll have time to use the bathroom before class starts... but right as she's thinking this, the teacher walks in. Nope, no time.)