Sans-x-frisk cerita

Frisk tomba dans l'Underground sur un tapis de fleur toxique , elle rencontra Flowey , Sans et D'autre personnage qui ne lui voudrons pas forcément du bien .

A long time ago the humans and monsters were at war. The war ended when the humans sealed the monsters underground. But somehow they escaped and the king wants to take over the surface now another war has started. Frisk was at school when the monsters broke free when she's walking home she ran into sans will they fight to the death or will love blossom and they stop this war?