"I-I..."
The little girl stood in place for a long few seconds that felt like hours. She could feel a weight within her diaper that had not been there presently, she could feel the contents smooshing disgustingly up against her, and she most certainly noticed the smell...
"I-I didn't... D-D-Did..." Eyes watering, Erika slowly turned her head over her shoulder - and then gave a squeak of horror and looked away once more, as soon as she saw that her underwear was indeed badly bloated and sagging in the back. "I..."
After a gulp and a shudder, a more proper sense of outrage finally set in, prompting the girl to loudly demand, "I pooped my pants?!"
She supposed given the events that had led to her putting on the diaper in the first place that was hardly unusual in its own right, but all the same... What? How? Why? She hadn't even sprayed there! And even she had how would...
"I-I..."
She had to change out of this diaper, right now. That was apparent. All the more so once she tried to actually walk in it, as a single step was enough to smash her waste against her rear all the more, making the girl give a heavy shudder.
"Ew... Eww..."
The girl skidded to a halt once more, a grimace on her face. This was going to be a hard road back to fetch another diaper. . .
"Eww..." Another look at the girl's butt sadly didn't return anything but the same visual of a prominent bloat in the back of it, leading the girl to whimper out, "I-Icky boom-boom..."
Wait, was that right?
... Well, why wouldn't it be? While a few seconds made the statement sound strange coming out of the girl's mouth, she soon enough couldn't quite place why. With a heavy gulp she opted not to press the matter, instead setting to awkwardly, slowly waddling out of the bathroom. All the while she reassured herself aloud, "Gotsa clean th' boom-boom..."