Undertale: Twin sister

Undertale: Twin sister

79.7K Reads 3.1K Votes 16 Part Story
☆_Fallen_Star_☆ By The_twins_of_hearts Completed

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.

  • flowey
  • frisk
  • papyrus
  • sans
  • toriel
  • undertale
AND ‘DETERMINATION’ PLAYS IN THE BACK ROUND SIGNALING YOU GAME OVER
                              
                              
                              
                              
                              
                              
                              
                              
                              
                              well crap
*You got the HEART LOCKET!
                              *But... Frisk never took this off...
                              *You need to hurry.
XD reading the comments I almost feel bad for the father. Then i remeber he's an absoloute d--- XD
That awesome moment when you name's in a book and your the main character
Darn_Twolegs Darn_Twolegs 4 days ago
World's best dad award goes to...you! Let's all follow his great example and shove kids into bottomless pits
kkismyname1 kkismyname1 Aug 04
my name is Kaitlin its Caitlin just spelled different sooo IM IN A BOOK