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1. Public Bookmark 8

   What a Coincidence by Sketchygamer000

   Fandoms: Undertale (Video Game)  

   • Mature
   • Graphic Depictions Of Violence
   • F/M
   • Work in Progress

   15 Feb 2026

   Tags

   • Graphic Depictions Of Violence
   • Mafiafell!Sans/Reader
   • Mafiafell!Sans - Character
   • Mafiafell!Papyrus
   • Mafiafell!grillby
   • background characters
   • maybe some oc’s - Character
   • Fluff
   • Angst
   • Fluff and Angst
   • Eventual Smut
   • Romance
   • Stalking
   • Slow Burn
   • Reader is a bit Oblivious
   • Reader Is Not Frisk (Undertale)
   • Reader Is Not Chara (Undertale)
   • 1920’s
   • Reader is ADHD coded
   • reader is chubby!
   • Reader is short sorry tall readers
   • monster racism
   • Human/Monster Society
   • reader is slightly autistic coded
   • love at first sight kinda
   • first fic
   • tags may change as things happen

   Summary

   You (the reader) are running late for work! You ended up turning off your alarm clock before deciding to sleep in a little longer- which was a BIG mistake, now you have to rush your way to the subway to make it to work on time!

   Language:

   English

   Words:

   12,765

   Chapters:

   6/?

   Comments:

   9

   Kudos:

   31

   Bookmarks:

   8

   Hits:

   647

   Bookmarked by AmandiineTunning

   13 Feb 2026

2. Public Bookmark *

   I Have The Power of Gaster AND Anime On My Side by littlexsiren

   Fandoms: Undertale  

   • Mature
   • Creator Chose Not To Use Archive Warnings
   • F/F, F/M
   • Work in Progress

   18 Oct 2025

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Sans (Undertale)/Reader
   • Papyrus (Undertale)/Reader
   • Alphys/Undyne (Undertale)
   • Underswap Sans/Reader
   • Underswap Papyrus/Reader
   • Underfell Sans/Reader
   • Underfell Papyrus/Reader
   • Swapfell Sans/Reader
   • Swapfell Papyrus/Reader
   • Sans (Undertale)
   • Papyrus (Undertale)
   • W. D. Gaster
   • Randoms Ocs
   • Reverse Harem
   • Skelebois
   • Dadster
   • Blue is a fucking perv
   • Stretch is bae
   • Red can step on me
   • Edge is so hardcore
   • Blue is lowkey a hella dom
   • Mutt i love you
   • Black pls tell me im trash
   • I wrote this bc I didnt find what I wanted
   • bold of you to assume I wouldnt use yeet in a fanfic
   • Smut
   • will be tons of smut
   • everyone gets a turn with reader
   • reader is female
   • Reader-Insert
   • Reader has depression
   • reader has attempted
   • there will be tw
   • there is not enough skeleton fucker smut out there
   • i just love them all
   • Ecto-Tongue (Undertale)
   • Ecto-Penis (Undertale)
   • Polyamory
   • the brothers will share you
   • you gonna get two skelebois at the same time
   • be blessed
   • prepare for the feels
   • do you enjoy meme references well I hope you’re ready
   • Soul Bond
   • Soul licking
   • get ready for feels
   • I swear this is more than just porn
   • Its porn with plot duh
   • I wont make you wait long for The Good Shit
   • Someone please help Sans out
   • im gonna use songs in this fic
   • songfics are my guilty pleasure

   Summary

   **This Story Has Been Rewritten And Renamed; hey, i know you

   " What..." You inhaled a deep breath through your nose, exhaling slowly out your mouth. "and I cannot stress this enough, the fuck. "

   It was in that moment Sans knew, he fucked up.

   "Well, ya see...princess..." he was hesitating to find the right words to say, and if the look on Y/N's face was any indication on his progress on doing so, he was failing horribly. Beads of sweat like magic started to form, dripping down his temporal bone. His perma-grin tight, he shifted his eye lights back and forth between you, Gaster, and the motley crew of skeletons that now inhabited the den.

   Language:

   English

   Words:

   64,391

   Chapters:

   12/?

   Collections:

   1

   Comments:

   304

   Kudos:

   1,205

   Bookmarks:

   309

   Hits:

   29,228

   Bookmarked by AmandiineTunning

   19 Oct 2025