After learning that the Cluster failed to emerge, Yellow Diamond finds a new way to corrupt both gems AND humans and plans to use it on the earth. But, something or someone has stopped it from working... [Warning: There may be some OOCness due to this being my first time writing a SU fic, and none of this is even close to canon lmao. Blame a friend of mine for the name, I had 0 ideas and that was what she suggested, Lol]

A/N: this is a crossover fanfiction based off of game theory's video on sans. If you do not tolerate this theory I suggest you avoid this story without any comment. Frisk, the eighth human to fall into the Underground, had decided not to fight Asgore and return to the surface. But instead to stay with the skeleton brothers Papyrus and Sans, who have become like family to her. Everything seems peaceful, that is, until Frisk begins to find out more about Sans than she ever thought she could. And catches glimpses of the man who speaks in hands... Also on fanfiction!:https://www.fanfiction.net/s/12104792/1/Im-Still-Here-An-UndertaleEarthbound-Fanfic