Undertale: Twin sis...
By The_twins_of_hearts
128.8K
4.4K
2.9K
  • Fanfiction
  • flowey
  • frisk
  • papyrus
  • sans
  • toriel
  • undertale

Description

After Frisk goes missing, Caitlin, Frisk's twin sister goes looking for her in the the last place she saw her. MT Ebott, the mountain of dark legends, she finds a necklace that belonged to Frisk on the ground. Just like Frisk, Caitlin tripped and fell into the Underground. Caitlin finds things she never knew existed.

Chapter 1: Darkness

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Undertale...
by The_twins_of_hearts
128.8K
4.4K
2.9K
Wattpad