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Oh wow, another sans/reader reverse harem fic by orphan_account
Fandoms: Undertale (Video Game)
14 Dec 2020
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Summary
You reader, live in the horrortale universe five years after the monsters have surfaced. You enjoy a quiet life with your soulmate Sans and his brother Papyrus, or you did. Before Classic Sans decided to drag you and your boys across the multiverse! Lets see how this goes.
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Bookmark Notes:
Ch. 1
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you feel your sins crawling on your back by orphan_account
Fandoms: Undertale (Video Game)
03 May 2019
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Summary
A collection of pornographic drabbles involving everyone's favorite characters from the Underground.
Please feel free to leave any requests in the comments!
*might take me a hot minute to update because of finals, but in a few weeks I should get back to writing your regularly scheduled porn
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Bookmark Notes:
UGHHH
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Summary
From the very first day that Axe splat-lands facedown in Farmtale, he finds his routine changing. But, he has to admit, sometimes, the changing of routine can lead to some truly wonderful things. Not the least of which is hot lactation sex every day!
Series
- Part 5 of Sansgust Oneshots
- Language:
- English
- Words:
- 4,897
- Chapters:
- 1/1
- Collections:
- 1
- Comments:
- 33
- Kudos:
- 275
- Bookmarks:
- 37
- Hits:
- 5,641
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Summary
A smut and oneshots book where you may request all kind stuff on AU’s of Sans in all kinds of situations.
Want a Sans but don’t see him in the list? Just ask for him in the comments and link his details and I will write him!
(Important [OUTDATED WORK] no longer represents my writing skills, any work with [OUTDATED WORK] are being rewritten but won’t replace the old ones to show the change my writing has gone through. Especially since this book was created in 2018, and it is now 2022.)
Series
- Part 1 of Lemons and Oneshots
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Some drabbles and vignettes that are either not canon to PLMM or are extras. I would imagine you don't need to read the full story to read this, but your mileage may vary.
Series
- Part 2 of Poor Little Meow Meow-verse
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- Words:
- 855,294
- Works:
- 15
- Bookmarks:
- 17
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Dust and reader hate eachother, they get abandoned during a mission and have to find a way to stay warm. they find an empty cabin and crash there for the night... but there was only one bed.
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This started as a domestic morning One Shot inspired by the Story Bitty House by BlamefulSea but I can't stop myself anymore!
Summary:
Honey Bee is a lil bro bitty, 15 inches tall adopted to ease the loneliness of a young adult woman. Her special soul amplifies emotions to the point where she is easily overwhelmed and it is up to him to help her. After finding out kissing is the most efficient way to drain her soul, he realizes he wants more, but even though they flirt and love each other very much, can she ever see him as more than just a bitty?
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Bookmark Notes:
Read later
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2
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Skeleton readers amiright? by Desolateskeleton37
Fandom: Undertale, Undertale (Video Game)
20 Jul 2025
- Words:
- 149,127
- Works:
- 2
- Bookmarks:
- 16
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Bookmark Notes:
2of2 37of1
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Blue's dinners are awful, but his desserts are good. The problem is, dinner comes before dessert.
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Bookmark Notes:
Dessert by AshamedEproctophiliac
Summary:
Blue's dinners are awful, but his desserts are good. The problem is, dinner comes before dessert. -
Bookmark Notes:
A piece of art
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After being missing for far too long, you reunite with Frisk. But they aren't alone and the world has to come to terms with the existence of monsters. Fighting alongside Frisk as co-ambassador to monsters, you start to notice things. Like how Frisk has not only grown mentally but seems to be keeping something from you (Not that you are any better, everyone has skeletons in their closet), or how attached to 'goat mama' they are...
Or how it seems every time that you see a skeleton, your heart starts to pound and your hands get sweaty and your head feels weird and - oh god, how many skeletons are living with you?!
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When the Soul Calls by shy_angel_21 (Shylee_Rambles)
Fandoms: Undertale (Video Game), Underfell - Fandom
14 Jul 2025
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Summary
Shylee watches her friends and soulmates, Sans and Papyrus, fall in love and eventually date her childhood friend, Mercy. The worst part is that they knew about the soulmate link with her, but they rejected it and demand her to do the same if she valves their friendship. She was heartbroken but agreed, believing their friendship was more important. Although she secretly hopes that it can still be more... But what would happen if she met two of her skeletal friends' cousins clad in black and red, and they offered her companionship?
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Bookmark Notes:
7
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Bookmark Notes:
Ch. 7 Red and Edge just decided they are going to show Sans that they can treat Shaylee better than he ever could, exciting
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Dream felt nervous.
He was usually the optimistic one, always seeing the bright side of things. But tonight, something felt off.
The house was silent. Nightmare had been working late hours recently, leaving Dream to eat dinner alone, but this wasn't loneliness creeping in. This was fear.
He didn’t like being separated from his twin. Not now. Not when everything was so wrong.
Not when he knew he was being watched.
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AKA Dream and Nightmare getting stalked by our two lovable boys, Killer and Cross <3 haven't written a fanfic in years so this might be ass. Also title is inspired by the song with the same name!!
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This fic is discontinued and will not have any more chapters.
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When you find out the guys might die if they don't get release in heat...well, how can you say no?
EXPLICIT
If Undyne hadn't come to rescue you in Six Skeletons in Your Closet (AU)
Series
- Part 2 of Skeletons in Your Closet
- Language:
- English
- Words:
- 20,225
- Chapters:
- 7/?
- Comments:
- 614
- Kudos:
- 1,815
- Bookmarks:
- 248
- Hits:
- 46,058
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Guess what time of year it is?? Yup! It's Kinktober! Instead of doing the actual challenge this year; I took requests on my tumblr for the line-up of kinks. They will be added as we go! Happy Kinktober everyone!
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You've been living in Snowdin for a couple months now, taken in by a pair of friendly skeletons, a bubbly short one and a chill tall one. Things are going well up until Papyrus starts acting strangely. Why does he keep avoiding you? Why is he acting so possessive? And why won't he tell you what's wrong?
(A short, self-indulfent warm-up fic I'm doing to get back into writing. :)
will try my best to update somewhat regularly but we'll see. my or may not turn this into a series of one-shots.)-
Bookmark Notes:
papsy
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classic fontcest (talecest)
sans is doing that good ol' chronic when paps comes home.
things happen.happy 4/20/2020!!
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Life is funny like that, you sure didn't expect to pick up an injured skeleton off a back alley(both metaphorically and physically) only to be sent into a completely different universe with said skeleton and his brothers who seem to just hate you with a burning passion! What follows that? Well more skeletons of course! At first glance they seem like a perfect odd family but is a normal family usually filled with emotionally unstable, depressed, ptsd infested monsters who seriously need therapy and a brat energy check? NOPE ! and just when did you turn into a therapist?!
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Bookmark Notes:
Hehehehehehh
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Bookmark Notes:
Ch 9
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leave it too long i'll go rot (like an apple you forgot) by necropathy
Fandoms: Undertale (Video Game)
25 Apr 2025
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Summary
His eyelights were glassy, unfocused pinpricks of light floating within cavernous sockets. Fever radiated from him in waves, his bones glinting with the faint sheen of rising heat. Each shallow breath shuddered through his frame, erratic and unsteady, as though even the act of existing had become a battle.
The signs were unmistakable. Fevered. Overcome to the point of delirium. Every shiver, every labored breath, spoke of a body caught in the throes of a Heat so consuming that control had become a distant, unreachable goal.
For most monsters, this would have been ordinary—expected, even. An inconvenience of biology that, while inconvenient, was hardly unusual.
But this was Cross.
And therein lay the anomaly that hung in the air, thick and accusatory, like a question that demanded an answer.
"How curious," Nightmare murmured, his voice slipping into the room like a serpent through grass, low and smooth, almost inviting. His gaze never wavered, sharp and calculating as it swept over the trembling figure before him. "And here I thought you didn’t suffer Heats."
- Language:
- English
- Words:
- 5,297
- Chapters:
- 1/1
- Collections:
- 1
- Comments:
- 31
- Kudos:
- 357
- Bookmarks:
- 57
- Hits:
- 3,297
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i miss the way you same my name (the way you touch, the way you taste) by necropathy for Gleae
Fandoms: Undertale (Video Game)
01 Feb 2025
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Summary
“I…” Dream’s voice cracked, raw and uneven, as he tried to form words that refused to come. “I don’t understand.”
Nightmare’s response was a low, velvety croon; slow and deliberate. “You wanted your brother back, didn’t you?” The satisfaction in his tone was unmistakable, a rich, indulgent amusement curling around each syllable. He was enjoying this—savoring it—the way Dream’s composure cracked, his visible surprise. Nightmare found himself hilarious, and he made no effort to hide it. “So I brought him for you. I even wrapped him up for you.”
Nightmare’s hand rose, unhurried, to cradle the cheek of his younger self. The gesture was almost tender, but the reaction it elicited was anything but. The boy flinched at the touch, his entire form shuddering violently. His bones rattled, each sound a sharp note within the stillness of the room. Silk bound his mouth, tied tightly enough to gag him, the fabric pressing into the grooves of his jaw.
It was clear he didn’t know what was happening.
Nightmare offers Dream a gift.