(6 years later Killer and paps were living happily in snowdin but one day the kid came and began killing everyone over and over again and Killer was at her breaking point and she made a deal with Chara and she became friends with Chara and her soul went into a target phase and she can't feel her emotions as strongly anymore but she can still feel emotions but not at a certain level and her papyrus become a ghost and he follows her around and Killer went completely insane from all the resets)
Killer: Heh hahahaha the kid is finally gone the kid is gone (Tears begin streaming down her face) I killed them I killed all of them but it was for the best and they won't suffer anymore.
Slice/Papyrus: Sister are you okay?
Killer: Ya I'm fine I just lost control of my emotions for a bit but I'm glad that kid is dead they caused me to many problems and issues.
Chara: Partner what are we gonna to do now?
Killer: I don't know I guess I could just go with the flow and live my life (Begins walking around)
(Someone was following Killer)
Killer: (I feel like someone is following me... summons a bunch of knives and shoots them at the person) WHO's there!
Nightmare: Oh so you sensed me~
Killer: (Gets really close to his face) Who are you?!
Nightmare: (Blushes)...to be continued!