Mission: Sanity (Au Sans x Insane! Shapeshifting! Reader)
"You're a nobody!" "Go die in Hell!" "It's the insane slut!" "Don't hurt me," After being forced to watch all your siblings burn to death, by your aunt and uncle you have never left your room. One day will you sit in your room and cry, something pulls you from the safety of this world of this. Many skeletons stood ove...