[Gaster! Sans X Reader] Soul Of Freedom
You heard about it. When the barrier was shattered. When monsters were finally free. That was until another war broke down, causing them all to get trapped in the underground again. Rumors spread that the humans killed a child named Frisk for setting them free.
"Every monster that we find out in the surface, will be sentenced to death."
"Finally, they're gone"
"I hope they stay in the underground, where they belong"
It makes you cringe, us, humans are the real monsters. But, you're gonna change all of that.
[Quick Warning! This might probably be a slow burn]