Undertale: Twin sister

Undertale: Twin sister

76.3K Reads 3K 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
By the way, this title was so wrong. She didn't trip, she was pushed.
*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
kkismyname1 kkismyname1 Aug 04
my name is Kaitlin its Caitlin just spelled different sooo IM IN A BOOK
AkitaKyoko AkitaKyoko Jun 08
Actually, Frisk went there to commit suicide, but I'll go with it