WELCOME TO THE UNDERGRO-
35 stories
AU Sans x Reader One-shot book by ShovelSquire
AU Sans x Reader One-shot book
ShovelSquire
  • Reads 285,637
  • Votes 5,119
  • Parts 37
Like any other one-shot book, I'll take requests for everything with limitations. I may or may not do lemons depending. I'm not that experienced with lemons. *REQUESTS ARE CLOSED, SORRY TO SAY* I do not do Character x Character nor do I do OC x Character
Undertale x reader One-shots by Maiko-The-Under-Fox
Undertale x reader One-shots
Maiko-The-Under-Fox
  • Reads 208,230
  • Votes 4,257
  • Parts 32
Hi! This is a book full of Undertale x reader One-shots. If you want to request any character ya wanna be hooked up with, just comment or send me a message! Easy. No need to be shy, just stay determined and you'll get what ya want!
Suplex ( Undyne x Reader ) by mettatonneo
Suplex ( Undyne x Reader )
mettatonneo
  • Reads 2,128
  • Votes 79
  • Parts 1
FYI: I use gender neutral pronouns so you are not specifically a boy or specifically a girl-you are whatever gender you want. Also, you're not a human in this story, but a monster-it's easier for me to work with tbh. ---- You've travelled everywhere around the underground and made friends with every one of the monsters. You're pretty well liked, but there was always one monster you could never quite approach correctly. The head of the Royal Guard, Undyne. You had feelings for her and you were her "friend", in a sense, but you wanted to get closer. ---- Titles are not my strong spot.
Undyne x Female reader by Legendary_Idk_
Undyne x Female reader
Legendary_Idk_
  • Reads 46,176
  • Votes 784
  • Parts 34
Welp! Here you go ladies! Surprisingly people are actually enjoying the girlxgirl books. Well some. So heres an Undyne x female reader book! Your name is (Y/N) (L/N). You fell down Ebott when you we're 10 years old. Ever since then Toriel took care of you until you we're old enough to get your own house. You don't remember much on what happened back at the surface since you hit your head on the way down. Over the years you grew to know pretty much everyone. But, you also grew a crush. That crush was, Undyne, Captain Of The Royal Guard. Your scared to tell her. But once you finally admit your feelings to Undyne you two soon became a couple. Once you two started dating everything seems to be getting tougher. Until one day, Chara came and did something you will never forgive her for. Will this effect your and Undyne's relationship or will it make it stronger?
Undyne x Fem!Human!Reader by MephilesLOVER123
Undyne x Fem!Human!Reader
MephilesLOVER123
  • Reads 25,701
  • Votes 532
  • Parts 8
After explaining Christmas to the monsters with Frisk, you all decide to get presents for one another. Everyone was easy, but....not your crush....Undyne.
Undying Respect | Undyne X Reader | by TheFaded_
Undying Respect | Undyne X Reader |
TheFaded_
  • Reads 4,272
  • Votes 41
  • Parts 11
After all that happened 3 years ago from freeing the Underground of their chamber. You have your friend by your side but events take a unexpected turn. Will you fight it or will you run?
Undyne X Reader by dreaminqs
Undyne X Reader
dreaminqs
  • Reads 10,550
  • Votes 204
  • Parts 3
reader is a dfab, uses gender neutral pronouns. undyne is a female fish lady who is very in love with her datefriend. every fav/comment means the world to me! <3
Undyne x Reader by Bionic-Monster
Undyne x Reader
Bionic-Monster
  • Reads 5,460
  • Votes 50
  • Parts 10
A series of short, cute, or "hot" stories based around the Underground's Captin of the Royal Guard and 2nd, number 1 fan of Anime (with Alphys being the other) Undyne, the Undying!
You're different {A Flowey x Reader story} by GamerSkyNoob
You're different {A Flowey x Reader story}
GamerSkyNoob
  • Reads 9,531
  • Votes 299
  • Parts 12
You have a somewhat normal life, you're an orphan who lives in an orphanage, you're around 15/16ish years old and you also happen to share a room with your best friend named, Frisk! They've been like your little sibling ever since they got there, apparently they were left on the steps of the orphanage just like how you were. You and Frisk tended to be more peaceful than others and always wanted to help, while the adults and the other kids would tend to applaud and praise you both. A few other children in the orphanage thought you both were kind of weak so you both tended to get bullied a bit. Of course, you both weren't one for snitching and you both had each other. So you both didn't mind. But what happens when you hear about the tale of monsters and human? What happens when you've finally decided that enough was enough and wanted to leave? What happens when you meet a small flower who doesn't normally care for others? I hope you'll all like my Flowey x Reader story, I promise to do my best that I can.