Undertale x Gravity...
By surrealsofa
17.5K
685
493
  • Fanfiction
  • crossover
  • gravityfalls
  • gravitytale
  • underfalls
  • undertale
  • wattys2017

Description

What if Dipper and Mabel fell into the underground? DISCLAIMER: I Own Nothing. Undertale stuff is owned by Toby fox and Gravity falls stuff is owned by Alex Hirsh (hopefully I spelled that correctly). All opinions are my own.

Chapter one: Welcome to the Underground, DIE!

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Undertale...
by surrealsofa
17.5K
685
493
Wattpad