Chapter 1: After the happy ending

After the underground was freed Jessica lives with Mettaton ( Don't judge me or Bete Noire will come out of your screen and fight u) And Arden lives with Undyne. Everyone starts to live peacefully on the surface .....until some mysterious monsters meet her and Predisites come out of nowhere and the old mew mews must rise up again before deep blue takes the planet Earth.......