(your friend, killer, offers you to join his gang of bad guys consisting of Killer, Cross, Error, Dust, Horror, and their boss, Nightmare, they are the well known Au destroyers. You insisted to Killer that you didn't want to join but he insisted that you at least tried out one day before deciding.) you & Killer walk through the door, upon walking inside The others turned to Killer & you. They seem annoyed that Killer brought someone to their base without telling them, again. (undertale Au's)