This is an AU I've been making up for a while, but haven't really been able to get it out. It's called Disundertale, a play on words of what would have been called Disordertale.
It's a more adult themed AU, but in the serious, but not in the NSFW, sex-filled, 18+ sense. Nevertheless, there's going to be blood and mature themes in this, so you've been warned.
All the humans that have fallen down have suffered from family problems, such as abuse and neglect, which drove them here.
Things seem normal and all the routes go the same way, but eventually, you'll start to see that the monsters show...unusual, distressing behaviours.
Everyone's got disorders or some form of mental problems, some worse and painful than others.
Some monsters find it easier to hide their true feelings, putting up walls or putting on acts and facades, but that only makes it harder for them to think good of themselves and more willing to do nasty things to take away the pain. It's even easier for them to commit suic