Together Fallen (Complete) - KitKatLovesUT - Wattpad

Together Fallen (Complete)

Reads 1,253
Votes 134
Parts 31
Time 1h 11m

Reads 1,253
Votes 134
Parts 31
Time 1h 11m

alphys fanfiction flowey papyrus sans toriel underground undertale undyne

Please- just don't read it- I am fully aware that it stinks, and leave me a PM if you are against the idea of deleting this.


The reader, an amazing Undertale fan girl, finds herself and her family together fallen into the world of Undertale in an attempt at a mountain Holiday. The family is awed and amazed at the underground civilization of monsters, until an immense and old evil worms its way into their lives.

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alphys fanfiction flowey papyrus sans toriel underground undertale undyne

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31 parts

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Again || Sans x Frisk by soonbokkie

✿ ❝Even if you go far away, I'll be by your side.❞ ✿ ✿ ❝遠くに行っても私はあなたのそばにいます。❞ ✿ ╔══════ ♥ ══════╗ Four years have passed ever since the last 'reset' . Monsters and Humans finally lived together in harmony. But was it best for the monsters to have left the underground for the surface? Was it really worth the encounter that they must overcome? ╚══════ ♥ ══════╝ // DISCLAIMER: I do not own undertale or any undertale characters from this story, it is rightfully owned be Toby Fox ━━━━━━━━━━━━━━━ This book has ended, so sorry... CURRENTLY EDITING EVERY CHAPTER chapters with a "✿" means it was already edited and rewritten in a better version Please don't read this shit :')

[HIATUS] A Strange Feeling (Sans X Reader) by Sak423

Do not expect consistent uploads as I am a college student🙃. This is rated mature because of strong language. You are a 24 year-old in college and have loved Undertale since the beginning. You enjoy all the aspects of the game; the story, the lore, the music, the backgrounds, and most importantly the characters. You've started having a strange, almost malicious feeling related to the Genocide run and that creeps you out. So, you start a pacifist run and after a while, you fall asleep. You wake up in Undertale and thus begin your new journey. Through your travels, the strange feeling comes back, but as a different emotion. Perhaps the only one that can help you with this feeling, is a certain punny skeleton. (I tried my best I'm not very good at summaries 🥲.) (Also I am so sorry for the kinda weird writing this is my first time writing a story. So I welcome constructive criticism.) [On a short hiatus (roughly a week)] Started: January 26, 2025 Ended: ???

Most Powerful Monster by thundersnake2375

I'm writing a fanfic on the popular game, Undertale. You fell down into the Underground at the age of 11, but little do they know that you had secret powers, at least until you got carried away. None of the pictures or videos belong to me.

Goodnight, Kiddo... (Adopted by Sans! Reader Fanfic) by TheShortSensei

You are an orphan, abandoned by your parents at birth. You've lived between countless foster families and a dreaded girl's home for as long as you can remember, because nobody chose to adopt you. Now, you are fifteen years old, and you decide to run away. Monsters have been living on the surface come four years now. What could become of this new adventure? Heyyyyyy! TheShortSensei here! I strongly suggest reading my former Undertale x reader book, When Spaghetti is your Life, before looking at this one. This book is a continuation of that one, so there may be spoilers if this one is read first! I will probably be using female-based pronouns, but I don't want it to be so gender based. Have fun, guys! Thank you for choosing to read this trash. Please comment and tell me what you think! P.S. If you're still reading, you get an invisible gold star sticker from yours truly. Well, what are you waiting for? I already gave you that sticker, didn't I??

Knock Knock {A Sans X Reader - Undertale} by LittleFluffyAlpaca

You were always a curious child. One day, your curiosity took you too far. You lived not to far from a mountain, MT. Ebott, and always wanted to see what was on the top. Your parents had told you stories about the mountain and you had always wanted to see if they were true, being the naïve child you were. One day, you reached the top after a while of climbing. You looked around, not realising where you were walking and fell into a gaping black hole. You woke up to a soft voice of a goat-like monster who, ever since that moment, took care of you and loved you. She taught you magic and all sorts of recipes. Everything she knew and you loved it. But what happens when you grow up more?

Bloodfall (An Undertale AU) by BlackStormWolf

Ever since the death of his younger brother. Things have gone downhill in the surface world for Sans. Alphys died a few months after Papyrus to a disease, Mettaton and Undyne, especially Undyne, had fallen into a depression. Flowey dissapeared into mt. Ebott, not to be found and Sans is fighting depression and insanity. One day, Sans discovers a suspect to his brother's death. A being that is trapping anyone who had either fallen into Mt. Ebott or stayed behind in snowdin for a while. Sans, along with Frisk and Undyne, go into the underground themselves to confront this being. They must encounter the Bloodfall that traps and kills anyone who dares pass by waterfall. (This takes place after a true pacifist run if one killed Sans in a Genocide run, but reset their game before getting to Asgore(I did this in a way to quit the Genocide route). This is if Frisk choses to do this the Pacifist way. I might make a Genocide one in Story Shorts. Also, My Sans is a human, but feel free to interprate him as a Skeleton if you ever choose to use this AU. Just credit me!)

{DISCONTINUED} Finding Home | Undertale Fanfic by DeathByAnarchy

DISCONTINUED (for now, at least) • • • You and your younger sister, Frisk, fell into a hole atop Mt. Ebott. You didn't realize the journey you just began by simply falling into a mountain. A goat woman by the name of Toriel took you both in to care for you. Everything was fine until Frisk suddenly disappeared one day. All she left behind referring to her whereabouts was a note. On it, she had said something about her 'going back home'. But wasn't she already Home?

Fallen Under by VenomQuill

Fallen Under is a full-length fan-novel of the game 'Undertale' set in 'Underfell'. This work will not have anything sexually explicit, though there is a (major) gore warning. It is light of heart, but some dark themes including suicide, abuse, and murder are explored. Mt. Ebott is famous for the woods that a child may wander into and never return. In legend, monsters snapped up children from villages, hid in dark corners, and ate the souls of the weak or unprepared. When a young child chooses to flee into the mountain rather than face human capture, they find out that these monsters might not just be characters in old children's stories. Frisk Foster, an eight-year-old child cursed by hereditary blindness, falls into a cavern full of merciless monsters, all of which want nothing more than to steal their soul. Armed with only their sense of justice and kindness, Frisk must travel across the underground to get back home. Yet when faced with the terrible truth of the consequence of their escape, can they truly find the will to complete their mission? Originally posted: Deviant Art (http://fav.me/daq2e06) Original Ending: Archive of Our Own (http://archiveofourown.org/series/615394) Alternate Ending: Fanfiction.net (https://www.fanfiction.net/s/12637068/1/Fallen-Under)

A Tree, For Us (Sans X Reader) by TheAbandonedQuiche

CONTAINS SPOILERS FROM BOTH PACIFIST AND GENOCIDE RUNS After a horrible situation, I (Y/N) scaped from home to avenge my (sibling). In a failed attempt, I got lost and fell through a hole, in there I found another world... "the underground". I meet many friendly monsters, one, specifically, changed my whole life. Both of us will try to give the monsters the liberty they deserve. And this is how all happened... (Cover made by me :3)

Dual Stones - Undertale Fanfiction (COMPLETED) by IcyDuelist

Duska has something most people would call a traumatizing childhood which she only escaped from a few months ago. Now she finds herself beneath the very mountain she was born in with monsters around every corner. She decides to start her life again here, in the house with Papyrus and Sans, but monsters don't live the most ordinary of lives either. Duska's past is catching up with her but the wall of friends in front of her may be hit by the impact first. No pictures, videos or any other media belong to me unless specifically said. Will have some swearing in it. Undertale belongs to Toby Fox. Thank you for creating such a beautiful game! I FINALLY FINISHED IT!!!

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Slide 1 of 10

Again || Sans x Frisk cover

[HIATUS] A Strange Feeling (Sans X Reader) cover

Most Powerful Monster cover

Goodnight, Kiddo... (Adopted by Sans! Reader Fanfic) cover

Knock Knock {A Sans X Reader - Undertale} cover

Bloodfall (An Undertale AU) cover

{DISCONTINUED} Finding Home | Undertale Fanfic cover

Fallen Under cover

A Tree, For Us (Sans X Reader) cover

Dual Stones - Undertale Fanfiction (COMPLETED) cover

Again || Sans x Frisk

✿ ❝Even if you go far away, I'll be by your side.❞ ✿ ✿ ❝遠くに行っても私はあなたのそばにいます。❞ ✿ ╔══════ ♥ ══════╗ Four years have passed ever since the last 'reset' . Monsters and Humans finally lived together in harmony. But was it best for the monsters to have left the underground for the surface? Was it really worth the encounter that they must overcome? ╚══════ ♥ ══════╝ // DISCLAIMER: I do not own undertale or any undertale characters from this story, it is rightfully owned be Toby Fox ━━━━━━━━━━━━━━━ This book has ended, so sorry... CURRENTLY EDITING EVERY CHAPTER chapters with a "✿" means it was already edited and rewritten in a better version Please don't read this shit :')