"Don't Judge A Book By Its Cover" (Gaster!sans X OC)

yeah...I'm this profiles owners sister, that's a mouthful.
Anyway, I'll try to make this as none cliche and original as possible :P
As you can see, I'm already failing miserably at it.
This is my first fan fiction (I had this idea for like 2hours :p)
So if this is horrible or incorrect, sorry. Also, mind my bad grammar XD

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Undertale characters: Toby Fox
Sophie Knighthart: @xXGaster_SansXx
Gaster!sans: borurou
There will probably be OCs

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War started a while after monsters where mixed in with the human.
Guess people just couldn't wrap their heads around the fact that they had to share with the monsters
Some might even think monsters are stealing from the humans

Anyway, 3 groups were made

The monster haters
Neutralist
And human haters

Very simple.
Monster haters are humans that are full on racists towards monsters.
Neutralists are people that usually form small groups and just try to avoid the war as much as possible
And human haters, monster that despise humans.

The three groups now made up the two races.
Some rural cities were forgotten and only a few more populated areas still exists.

Sophie is a neutralist. But she have a different reason to be one.

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-watch me destroy the meaning of writing lol-