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1. Public Bookmark *

   Red and Blue by Archaya

   Fandoms: Undertale (Video Game)  

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

   16 Feb 2026

   Tags

   • Graphic Depictions Of Violence
   • Sans (Undertale)/Reader
   • Papyrus/Muffet
   • Alphys/Undyne
   • Sans (Undertale)
   • Papyrus (Undertale)
   • Asgore Dreemurr
   • Toriel (Undertale)
   • Alphys (Undertale)
   • Undyne (Undertale)
   • Underfell Sans (Undertale)
   • Alternate Universe - Underfell (Undertale)
   • Underfell Papyrus (Undertale)
   • Reader-Insert
   • Police
   • I'll update tags as I figure them out
   • Will definitely have smut
   • skelesinning
   • Ecto-Tongue (Undertale)
   • Ecto-Penis (Undertale)
   • Undercover Missions
   • Undertale Monsters on the Surface
   • Racism
   • reader is female
   • Kidnapping
   • Fighting Ring
   • monster on monster violence
   • Sexism
   • Non-Consensual Drug Use
   • Mating Cycles/In Heat
   • Undertale Skeletons in Heat
   • Swearing
   • Soulmates
   • I Have My Own Soulmate Dynamic Headcannon Stuff
   • Hope ya don't mind
   • Blindfolded not in the fun way
   • reader is unnamed
   • reader has a nickname
   • Bara Sans (Undertale)
   • Big Sans (Undertale)
   • I have a lotta head cannons actually I need help
   • Panic Attacks
   • Blood
   • Violence
   • monster on human violence
   • Post-Traumatic Stress Disorder - PTSD
   • Guess it could be seen as Angsty?
   • Reader has a heart of gold
   • Sans (Undertale) Has Issues
   • Everyone Needs a Hug
   • Everyone Has Issues
   • Your boss is an asshole
   • So many tags
   • Domestic Violence
   • slow burn gonna slow
   • Fluff
   • Non-Consensual Touching
   • Minor Character Death
   • I'm why we can't have nice things

   Summary

   Papyrus and his Detective partner (you) have to solve a missing persons case. It turns into a huge undercover operation where you still have to rescue the missing person: Sans!
   Along the way there's shenanigans, swearing, sex, misunderstandings, bad puns, and you fall in love with your spiky partner's brother.

   Language:

   English

   Words:

   79,672

   Chapters:

   22/?

   Comments:

   229

   Kudos:

   581

   Bookmarks:

   117

   Hits:

   10,104

   Bookmarked by Flowersgrow

   01 Apr 2026

   Bookmarker's Notes

   i need to finish

2. Public Bookmark *

   I Wanna Cry by feathersea

   Fandoms: Undertale (Video Game)  

   • Teen And Up Audiences
   • Graphic Depictions Of Violence
   • Other
   • Complete Work

   22 May 2025

   Tags

   • Graphic Depictions Of Violence
   • Sans (Undertale)/Reader
   • Sans (Horrortale)/Reader
   • Sans (Underfell)/Reader
   • Sans (Undertale)
   • Papyrus (Undertale)
   • Reader
   • Sans (Underfell)
   • Papyrus (Underfell)
   • Sans (Horrortale)
   • Reader-Insert
   • Reader Is Not Frisk (Undertale)
   • Reader Is Not Chara (Undertale)
   • Reader has some sort of Thalassophobia
   • no beta we die like papyrus
   • inspired by Lured By The Siren’s Charm
   • Inspired by Tilikum
   • Siren Sanses - Freeform
   • Orca siren Sans
   • shark siren Red
   • cephalopod siren Skull
   • will add tags later otherwise I’ll spoil the fic’s future
   • incorrect marine biology for the most part
   • otherwise orca Sans would be naturally inclined to eat the others
   • orcas are assholes I love them
   • info taken from documentaries and stuff
   • Probably will describe sailors getting chewed up
   • Violence
   • Blood and Violence
   • Blood
   • Reader and gender? What’s gender
   • no gender reader - Freeform
   • only requirement for reader is being human
   • reader uses they/them
   • Head Injury
   • description of slimy textures
   • i started writing this cause I’m acoustic and I love the sea
   • but at the same time I hate it
   • Tagging is weird
   • reader gets injured
   • some sailors do in fact get chewed up
   • I should describe that it would be hilarious
   • Major character death but it’s off screen so it doesn’t count
   • possible PTSD
   • mention of Horrortale papyrus
   • Horror is called Skull
   • Fell is called Red
   • Fell Papyrus is called Edge
   • Siren Kisses
   • we got a simp guys
   • Skull Is gonna get the certified simp card in the next few chapters huhu
   • The Author Regrets Nothing
   • Sirens
   • Emotionally constipated Sans
   • Emotional Constipation
   • Possibly possessive sans
   • Possessive Sans (Undertale)
   • soul
   • Souls
   • Soul Talk
   • Soulmates
   • Drowning
   • Angsty thoughts
   • Underwater date
   • Courting Rituals
   • Red is a simp
   • everyone is a simp
   • Edge Is A Good Brother
   • The Author Regrets Everything
   • Play Fighting
   • Complete
   • First Kiss

   Summary

   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:

   215

   Kudos:

   733

   Bookmarks:

   153

   Hits:

   17,219

   Bookmarked by Flowersgrow

   18 Mar 2026

   Bookmarker's Notes

   bpo fishes