Toriel had stopped aging with the death of her son.
boss monsters likewise entered a stage of physical stasis if this rare occurance happened.
which begged the question of what happened to any mass gained.
after all, monster food just vanished once eaten and imparting their health benefits.
surface food though? for a species that weren't used to it?
of course not knowing this was hazardous, as the world found out when Toriel decided to try some surface food.
'some' meaning everything she could get her hands on.
her plush stomach gurgled and groaned as she devoured dish after dish, eating many many times her own bodyweight.
that night, she settled in to bed, and another need came to mind; her loneliness.
half asleep and horny, she began tracing her folds even as her stomach gave off an unsettling groan.
Toriel thought she was dreaming as she drove her fingers into her snatch and felt her feet push free of the covers.
such a pleasant but strange dream as her bed groaned from her increasing mass and her other hand squeezed one of her huge tits.
her moans rattled the windows, her juices pooling and streaking as her massive ass and huge hips began pushing against the floor and walls.
she nibbled her lip as her body crashed through the walls, leaving her blissfully unaware of her exposure.
then she cried out loud enough to shatter the neighborhood windows as she climaxed.
Toriel squirted so hard it flooded the kitchen next door.
with her sexual needs met for the moment, she shuddered and swelled while settling into a calm sleep.
the next day, eyes bleary, she stood and wandered down the strange, narrow grey carpet.
she walked past the low, grey and reflective walls.
Toriel stopped and yawned loudly amidst the panicked human city streets, wishing she had slept some more.
but more pressing, she was aroused again and her fingers dug deep once more.
she finally opened her eyes and saw her surroundings, the panicked faces.
"uh oh..."