A Tale Between Insanity And Peace... (UnderTale AU)

Hello! And Welcome to an AU Called "A Tale Between Insanity and Peace, where this au occured before the war started, and no, this isn't an AU where Gaster does some revenge plot, neither will there be sans being in disbelief, nor will there be a character swap, and some kind of part of help_tale added to it (yes I said help_tale, so what?). This AU does not have an actual war and let me copy and paste my thing from the server,
"Welcome To My AU of "A Tale Between Insanity And Peace" or a rather shorter name "ATBIAP"
Here will be a few explanations on what the AU Is going to Be Based off and what not.
What Happened Was that Long ago, the Monsters were having a disagreement among themselves whether they should move to the underground or not, due to the outside world is pretty much destroyed, but as some monsters thought that they can still re-fix the world and make it a better place. Right when they were about to vote for any decision... The King, Asgore was killed by a human murderer, and the Monster became furious with the humans. War has started and there are a few monsters and humans who fled to the underground...
Everyone else either stayed to fight, or fled, or died...
Then you the human (as a child, still deciding what the name shall be) is a little girl, who wants to stop the war, and to do that, you are going to need help from a few new/old characters...
But there has been an infection as well that has been spreading due to the massive destruction and pollution, it was called ERADICATION 45.
This infection was to mess up your formal structure on your body and to make you lose shape and gain rather new shapes, along with constant pain.(edited)
Or also known as AMALGAMATION, but unlike being immortal, you die faster as the pain grows all over you...(edited)
So You As A Human must find some monsters and humans to save the world from the war and the infection before everyone falls to their graves...
Now this may not be an actual game so there might be an comic strip for this and whatnot..."

Here is the discord link https://discord.gg/FxVAZqw
#rpg