261 - 280 of 2,069 Bookmarked Items in Error Sans (Undertale)
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The fics for the safe for work/sfw Bingo for MerMay
Chapter 1, Prompt Precious
Characters/pairings: Geno/Reaper and Error/Ink/BlueSeries
- Part 1 of MerMay 2025 Bingo
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Mermay 2025 NSFW Bingo. Prompts by Sku, Creator of Leviathantale.
⚠️ The Explicit warning is for porn.
⚠️Check out each Chapter summary for warnings ⚠️
*Chapter 1 has bondage and tentacles. Pairing is Error/Ink/Blue
* Chapter 2, Geno/Reaper, prompt Bites and Licks
* Bites that cause blood
* Excessive saliva
* Chapter 3, rated for violence, against human Poachers.
Pairings, the Leviathantale Shiver.Series
- Part 1 of MerMay 2025 Bingo
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stay young, beautiful, and unique!!! by Lord_Obvious_Of_Duh
Fandoms: Undertale (Video Game)
14 Nov 2025
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Error, Ink, Dream, Nightmare, and Blue gather for a conversation. Only the most serious things are discussed, of course.
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Crescent’s father owned the most famous pizzeria in the city, partly due to Uncle Ink’s dancing and singing robots. Life is complicated and has many twists and turns. And death was exactly the same.
(FNaF x Undertale, Nightkiller Family)
[Rewrite of an old and shitty story I made] -
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Running through that forest you felt relived
No more fighting no more rings
No more experiments
No more cages
And most importantly your bitty where with you
Wait…are those…more skeletons!?P.S. I edited the first chapters rearead them please!
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3
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A collection of Undertale UTMV one-shots and small drabbles that I don't want to make entire stories for.
- Language:
- English
- Words:
- 155,784
- Chapters:
- 40/50
- Comments:
- 535
- Kudos:
- 879
- Bookmarks:
- 99
- Hits:
- 32,562
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Error succumbs to his forbidden desire, secretly taking Cross in his sleep.
Series
- Part 23 of [Kinktober 2024]
- Part 6 of comms/requests
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First, Let’s Get You Home by bubbly_creeks (orphan_account)
Fandoms: Undertale (Video Game)
18 Jul 2023
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Your commute to and from work is something rather simple; you walk. It takes around fifteen minutes and really isn’t that big of a deal.
Despite that, you like being a time saver, so you take some shortcuts through alleyways to get back to your little house. Your friends say this is dangerous and “what if a creep kidnaps you?”, but you carry pepper spray, so it’s not an issue.Until one day in an alleyway, you come across something. Someone. Curled up and shivering.
Just before you can reach your hand out and ask if they’re okay, they yell “GET BACK!”.-
tldr: error injured take him home teach him to not eat plates eventual romance
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非常可爱的……一只生活中的人类捡到了一只错误！夹杂着极少量AU的日常
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Error wakes up in a game he never chose to play—Until The Last Breath, a brutal survival world hidden between life and death. The only players? People trapped in comas. The only way out? Win.
To survive, he must fight through deadly floors, forge uneasy alliances, and follow three unbreakable rules:
[ 1. GAME OVER means death, both in-game and in real life. ]
[ 2. Artifacts must be crafted from Fragments found throughout the world by a Player. ]
[ 3. Reach the final floor before the chronometer runs out… or fade away forever. ]
There are no second chances. No resets. Just the questions: can Error and his team beat the game before it beats them—and can love survive in a world designed to tear everything away?
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(19)
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Have been read tell ch19
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Meet the skeleton brothers from the multiverse by DKperson
Fandoms: Undertale (Video Game)
15 Jan 2025
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An unknown time ago, a human was reincarnated as Sans in the Au he created. He managed to adapt well and survive with his Papyrus in the 'hell' he created. Things were slowly settling down…
Until fate decided to send this Sans and Papyrus to an Undertale multiverse with other versions of themselves.
Meeting skeleton brothers from another multiverse and what kind of chaos will they cause?
Time will answer everything...
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- Part 1 of Astraytale
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4
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There is an old saying that "The point of view depends on where you sit"
That is, how the members of StarSanses and BadGuys see the Destroyer
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Love is a Poison, and I Drank it All by InkyPagesAndStaryEyes
Fandoms: Undertale (Video Game)
20 Mar 2025
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You dided, you woke up. You tried. Tried so hard to fix Nightmare’s fuck ups, yet in the end you STILL got betrayed by his boys. But were they really ever Nightmare’s when he never cared for them? Just used them..
You want to blame and hate them.. but you just don’t have it in you. But what happens when recovering after a fight you find a bitty.
You’re alone.
The bitty is alone.
So why can’t you be alone with it?
———
You died and became nightmare, but it wasn’t before he met the boys, nor was it a kinder version of him. But some mish-mashed version of canon and fanon.Series
- Part 1 of Nightmare//Reader with their bitty boys
- Part 2 of Reader becomes a sans
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Set on a small spy mission to figure out the remaining star’s plans, the mmt accidentally stumble upon some information that could change their perspective on the stars! Especially about dream. What will they do about this? Is Dream really who he tries so hard to pretend to be?
This is so fandom coded it’s not even funny, I suck at writing dude, but the hyper-fixation and undiagnosed something in me has made me write this… I’m sorry if it’s cringe. Forgive me.
Set in the blue joins the bad sanses universe.
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The bad man's gone, He's on the run and your Daddy's here by InkyOverlord
Fandoms: Undertale (Video Game)
12 Nov 2024
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Nightmare didn't understand what came over him when he decided to bring a human child back to his base, now every bad sans (and Error) will have to pitch in to raise you.
Who knew a fragile human life could change them so much?
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So wholesome.... my heart❤️❤️
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You run a café. You mind your business. You serve caffeine to monsters, tolerate regulars, and try not to set the espresso machine on fire.
So when “Sans” walks in acting weird—untied sneakers, hoodie with fur, telling jokes your Sans could never land—you know something’s up.
Turns out he’s from another universe. And somehow, he’s made himself very comfortable in yours. Including on your couch. And maybe… your neck.
You’ve already got one Sans. You don’t need another.
Now your life is unraveling. Shortcuts are glitching. Mirrors don’t show your reflection. And the stranger who shouldn’t be here keeps looking at you like he’s known you through a thousand timelines.
He calls himself a mistake.
You call him everything you were afraid to want.- Language:
- English
- Words:
- 43,395
- Chapters:
- 35/?
- Collections:
- 1
- Comments:
- 98
- Kudos:
- 134
- Bookmarks:
- 24
- Hits:
- 2,284
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Bookmark Notes:
Dear STARS this is one of the most thought provoking and mysterious stories I’ve ever read!!! Genuinely so amazing how much emotion and thoughts can be said through vague body language. Literally one of the most thought provoking fics ever going into how one of Sans’s flaws is that he waits until the last possible minute, when he should have done something when it mattered. It’s also about how people compare each other and to differentiate that you can’t replace someone with another person because they are their own person. And FUCK, the theme of grief and having to let go, my heart can’t take it :,(
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36
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Dream has found himself captured and locked away by Nightmare. He had expected to be tortured, beaten, and killed after extracting the golden apple.
What happened, however, was arguably w̶o̶r̶s̶e̶ better.
Based on my short storyline in Whumptober: Caged.
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My god
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Nightmare gets drunk off the negativity Error puts out, and Error gets to hear his usually tight-lipped lover confess how deeply he adores him.
Title by "Crushed" - The Man The Myth The Meatslab
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- Part 2 of Rosa’s Undertale Oneshots
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❤️
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Error ragebaits Nightmare into having sex basically
(sex not included. for now)
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Error and a Blueberry-Almost-Turned-Blueberror raise a terrified babybones found in a dead AU. Can they do it? Probably not!
Or: Dysfunctional Family Dynamic with Error, Blueberror, and Dream.
Series
- Part 1 of Adult Dream Who?