[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 s...

The Day After The End (OLD)

On hiatus. (Takes place after the True Pacifist ending) The barrier has been broken and all the monsters were free from the Underground. Most of the monsters have began to pack for the trip to the surface, but some monsters stayed behind afraid of the discrimination the humans would throw at them. Toriel is one of th...