Hidden for so Long (Sans AU x Reader) {Discontinued}

Please check out the remake of this story.

Long ago the earth was ruled by two races, Humans and Monsters. One day war has broken between the two races. After a long battle, the humans...wait no the monsters were victorious. The monsters seal the humans into the underground using a magic spell. Humans were the one stuck inside the undergrounds but one human there was very special ,(Y/N) (L/N), like any other person she was a normal human she isn't perfect, makes mistakes, has her own personality. Her universe was different from all the other universes but the guardian of all of the AU's ,Ink, never really seen her universe before. Then one day while he was talking to Dream, Dream had found her AU then with several other Sans they went to explore her AU...