1 - 20 of 311 Bookmarked Items in Possessive Sans (Undertale)
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Despite the rising prices, your mother was as kind as to buy you a ticket for a really neat Cruise. What you didn’t expect was for it to be your downfall.
From jealous orcas, to annoying sharks, to the calm and eerie cephalopod sirens. Will you make it back to land?
Series
- Part 1 of I Wanna Cry
- Language:
- English
- Words:
- 48,199
- Chapters:
- 15/15
- Comments:
- 196
- Kudos:
- 678
- Bookmarks:
- 135
- Hits:
- 15,164
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6
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Seeing a murder in an alleyway was the last thing Riley ever thought she’d see happening in her small town WestonVill. Having the murder disappear over night and the murders move in across from her was also something she’d never expect to happen. But here Riley Dottingham was, being pursued by two mentally unstable skeletons.
If she could only figure out what they want from her.
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YEAHHH BABYYYY (4)
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3
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Summary
After an incident at the world-famous Ebott Aquarium, you find yourself placed on a team of staff dedicated to the care of the prize exhibits at the facility; three notoriously aggressive skeleton siren monsters captured in the name of 'research'. An orca with a disturbing record of finding new ways to attempt to drown his keepers, a shark who's excellent at removing whatever stray hands come his way, and a deep-sea octopus whose past (and body count) are hidden behind endless stacks of legal papers. Despite their pattern of brutally murdering their ever-changing team of keepers, they all seem to immediately take a shine to you- a worryingly bright shine. A shine that won't go away, a shine that starts to unnerve you.
However, the longer you work there, the more you see the inner workings of Ebott Aquarium. The more you realise the sirens you're 'caring for' aren't dumb beasts, they're deeply intelligent... they aren't mindlessly aggressive, they've gone insane, locked in those tiny glass cages.
... The more you interact with the sirens... the more you realise their murderous aggression might not be all that misplaced.
- Language:
- English
- Words:
- 64,148
- Chapters:
- 17/?
- Collections:
- 1
- Comments:
- 1,894
- Kudos:
- 6,637
- Bookmarks:
- 1,391
- Hits:
- 155,931
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Perfect absolute perfect
Makes you think about how those poor animals at most seaworlds must feel -
Bookmark Notes:
Fih
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17
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Same You, Different Font by radskull69
Fandoms: Undertale (Video Game), Deltarune (Video Game)
09 Oct 2025
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Ah yes. The classic ‘’Heather’ convinces the skeletons you’re an evil human so now it’s a EVIL reverse harem’. Right?
Oh? But what’s this? A TWIST?
Sans couldn’t live with himself after what happened to you, going near insane after you’re gone. So behind the others back he uses the machine to undo what he did, except it didn’t. He can still feel his sins crawling on his back.
Oh well, it’ll all be worth it once he has you back in his cold hands again. Screw the other skeletons.
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Bookmark Notes:
5
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Bookmark Notes:
chap 5
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Disgusting... It was the only word you could use to describe the world and the people inhabiting it. Ever since you lost the only person who truly mattered to you in your sorry excuse of a life, you hated the world and everyone and everything in it. But maybe it can be better. But maybe it won't.
Especially when your father (one of the kings of the mafia) tries to sell you off like some bargaining chip in his back pocket to a pair of skeletons. The worlds gone to hell and all they can think about is wealth and who will inherit what. At least your not going to just lay down and take it like they want you to do. But what do you do when one of them is so damn persistent?
- Language:
- English
- Words:
- 142,180
- Chapters:
- 23/?
- Comments:
- 556
- Kudos:
- 725
- Bookmarks:
- 140
- Hits:
- 22,317
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You and Sans have spent the last five years toiling in the lab on your magnum opus: a looking glass into alternate timelines. But when you test it one late night in the lab, the impossible happens and you are taken into a world much more violent and crueler than your own. Needing to survive until you're rescued, you will have to use all your wits, charm, and determination to convince three paranoid skeletons you aren't insane or a spy. Good luck, doll.
- Language:
- English
- Words:
- 105,124
- Chapters:
- 20/?
- Comments:
- 362
- Kudos:
- 777
- Bookmarks:
- 190
- Hits:
- 20,641
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Bookmark Notes:
Despite the spelling errors, it's a really brilliant fic. I really like everyone's characterizations and how real everyone feels.
It's good to see that thing's have cleared up in chapter 20- and that the house arrest is finally over... Really wondering what would happen next- especially now that Sans knows it wasn't all a lie.
Hoping for updates. Ch. 20
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Summary
You’re just an average, happy human, going about life, trying to forge your way in the world. Fortunately, you’ve landed a nice job that pays well, you’re steadily and reliably working your way out of the debt you gained from moving to the city, and you found a great apartment (with a chill roommate, Sans, a polite skeleton monster with puns up his sleeve and an indecipherable gaze) for surprisingly little rent.
Everything’s fine.
And then, without warning, two more skeletons seem to show up out of nowhere at your and Sans’s shared apartment. The first to appear is Red, a hot-blooded, sharp-grinned alcoholic who isn’t shy to share his less than savoury intentions with you, with crude gestures and pick-up lines galore.
... And the second is a tall, broad, but quiet skeleton who immediately goes by the pseudonym Skull, sporting a huge crack in his head and a single, engorged red iris, that never seems to stop staring at you.
You’re not sure why both of them won’t leave you alone, or why Sans seems so desperate to stop them from interacting with you... But hey, what harm could come from it?
Series
- Part 1 of Aggre(g/v)ation
- Language:
- English
- Words:
- 180,230
- Chapters:
- 42/42
- Collections:
- 5
- Comments:
- 3,432
- Kudos:
- 8,289
- Bookmarks:
- 1,498
- Hits:
- 229,510
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Bookmark Notes:
Holyshit. DEVOURED. ALL NIGHTER. ALL DAY TOO IM. I LOVE THIS SO MUCH PLEWAASSSEEEE READ IR.
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Frisk sang for a living. She sang in clubs that were populated by mobsters, murderers and the most violent criminals her city had to offer. She honestly thought things couldn't get any worse until corruption in the form of a grinning skeleton came strolling into her life. His name: Sans.
She tried to run, but no matter where she went he was always waiting for her.
Chapter 34 finally up!
- Language:
- English
- Words:
- 226,958
- Chapters:
- 38/?
- Comments:
- 11,239
- Kudos:
- 28,985
- Bookmarks:
- 2,745
- Hits:
- 1,073,833
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Summary
PWP: Bad Sanses x Human!Reader
[Featuring Killer, Cross, Dust, Horror, Error & (no) Nightmare]— Depicted in established relationships with all of them!
— Whole thing's a hit or miss. I'm too scared to reread them (٥↼_↼)- Words:
- 4,825
- Works:
- 5
- Bookmarks:
- 14
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Summary
Sans did not remember his previous name, only that he had been human. Rebirth in Undertale was novel, but he adapted, until he realized that the universe he was in was not the original one.
Unfortunately, it was too late when the machine took him to another universe, into a room full of skeletons.
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Sans no recordaba su nombre anterior, solo haber sido un humano. Renacer en Undertale fue una novedad, pero se adaptó, hasta que cayó en cuenta de que el universo en el que estaba no era el original.Lamentablemente, ya era tarde cuando la máquina lo llevo a otro universo en un cuarto lleno de esqueletos.
Nota: Sé que suena como tragedia, pero en realidad es una historia bastante esponjosa de curación, o al menos eso intento. Nuestro protagonista tiene mucho trauma y lo va a sanar en una mansión llena de esqueletos incómodos
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Bookmark Notes:
5
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The Soldier and the Carnal Skeletons by Writers_War_Z0ne
Fandoms: Undertale (Video Game)
08 Sep 2021
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Summary
**DISCONTINUED**
(Y/n), a high ranking Platoon Commander in the Military, was on a mission with her squad when her plane was shot down by an enemy ship, leaving her stranded on an unknown island, with none of her comrades in sight.
It would have been all fine an' dandy... if she wasn't surrounded by three Alpha Skeletons and one Omega Skeleton. All of which want to fuck or be fucked by her.
So now here she is, having to assess her dominance as an “Alpha” to get by with her limbs still attached and her clothes still in one piece. Even if one of them looks like he came straight from Satan's asshole.
- Language:
- English
- Words:
- 113,924
- Chapters:
- 40/40
- Collections:
- 1
- Comments:
- 1,757
- Kudos:
- 4,885
- Bookmarks:
- 628
- Hits:
- 140,386
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Life was going pretty steady for you with a stable job as a receptionist a few blocks away, an apartment to yourself with your cat Chip and a quiet lifestyle. Monsters had come out from the Underground a few months back and they've trickled in on your city as they fight for their legal rights amongst Humanity once more.
Politics always seemed to bring out the worst in some people, even your own co-workers, as monster hate groups started to swell within your community. You have managed to avoid them until recently where you are forced to take sides, when things begin to go south an unlikely skeleton comes to your rescue and you're soon thrown admist monsters.
With the threat of magic being banned, even criminal, you find yourself standing on the front lines with your new found friends and when things start heating up you have to find help in the most unorthodox of places.. and from the most peculiar of scientists.
Series
- Part 1 of Thrown Amidst Monsters
- Language:
- English
- Words:
- 183,341
- Chapters:
- 32/32
- Comments:
- 494
- Kudos:
- 1,718
- Bookmarks:
- 257
- Hits:
- 52,182
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Bookmark Notes:
C 2
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- Words:
- 592,566
- Works:
- 3
- Bookmarks:
- 52
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Summary
Sans finds his SOULmate while he's in heat, terrible luck for both you and Sans. He then proceeds to fuck everything up even worse by threatening to kidnap you if you don't start dating him.
Can you make this relationship work?
Or will you find some way out of this?Series
- Part 1 of Impatient
- Language:
- English
- Words:
- 40,467
- Chapters:
- 27/?
- Comments:
- 516
- Kudos:
- 1,589
- Bookmarks:
- 234
- Hits:
- 41,521
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It’s late at night and you can’t seem to sleep unlike your boyfriend Sans. Damn, if only you could do something to preoccupy yourself…
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This year we're doing Yandere October 2024!!
Following @ozzgin on Tumblr's prompt list with any UTMV Sans or Papyrus.Here, we mostly have drabbles, some longer than the others. A specific yandere prompt for each day and each character!
Content Warning: YANDERE. If you do not enjoy reading that kind of horror, please scroll.
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Bookmark Notes:
Read
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Summary
In a world where people are able to born with soulmates, you desperately wanted a soulmate as a kid. Only to find out that not only were you an omega but, you didn’t have a soulmate
Or at-least that’s what you thought before you were cornered in a grocery store by a giant Skelton monster that claims to be your Alpha.
Unfortunately for him, you’ve grown content with not having a soulmate and being alone, causing tension between the two of you as he tries to be there for you while you are trying to survive as a omega in a society that looks down on them.
Now the two of you have to figure out what you want while dealing with a society against both omegas and Monsters, Pervy alpha’s who don't know what no means, The human who freed the monsters shipping you and him, your new ‘alphas’ brothers who are hostile to you all because you are human, HIS SON?!?!, his toxic baby mama and to make it all worse?
He’s a chunky himbo and you like that a little too much.
Well, at-least you have your roommate (he’s my oc)
(This is a redone of my previous story “Head Over Heels” with some differences in the story. Constructive criticism is more than welcomed. Story was made before Deltarune chapter 3+4)
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Emilie (Reader) is a gentle and kind person who is on the verge of a mental breakdown due to the mistreatment of her boyfriend, Jericho. Manipulative and narcissistic, her boyfriend becomes Papyrus' best friend. She thinks her fall will never end.
But in the midst of all this emotional fuss, Sans will be like a lifeline in her miserable life.
Yet, will it be the same for the little skeleton? Will our beautiful girl represent his only salvation or eternal damnation for his lost soul?
Part 1 : The end of all things is synonymous with renewal (Chapter 1 to ??)
Part 2 : Building on a Non-Solid Foundation (Chapters ?? to ??)
Part 3 : Repenting through a path full of thorns (Chapters ?? to ??)ALSO AVAILABLE IN FRENCH !!
- Language:
- English
- Words:
- 130,647
- Chapters:
- 29/?
- Comments:
- 327
- Kudos:
- 502
- Bookmarks:
- 111
- Hits:
- 15,265
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Summary
This fic is based on a VERY important character from my story Aggre(g/v)ation, and as such, contains massive spoilers for that story. If you don't want to be majorly spoiled, make sure you've read Aggre(g/v)ation first before going into this! Thank you!
This will be a compilation of stories related to Hit (Mafiafell Sans), everyone's favourite evil bad man, and what he did with himself after the events of Aggre- plus a mini au based on if his original plan succeeded. Enjoy!
Series
- Part 2 of Aggre(g/v)ation
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Bookmark Notes:
HIT NO!!! CRYINGGGG
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Summary
A kind woman and her sweet daughter live a simple life together in the woods, in peaceful bliss. That is, until you prick your finger. They say that a drop of blood in the ocean can draw in sharks from a mile away, what happens when that blood thirsty shark catches a whiff? More blood is bound to be spilled. But this time, its not yours.
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