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1. Public Bookmark 1

   koffin-k (+ xreader) headcanons & other stuff because i genuinely have no idea anymore by maxb_sco

   Fandoms: Undertale (Video Game)  

   • Not Rated
   • Creator Chose Not To Use Archive Warnings
   • F/M, M/M, Other, Multi
   • Work in Progress

   11 Apr 2026

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Koffin-K (TS!Underswap - Team Switched)/Reader
   • Harry & Larry (Undertale - TS!Underswap by Team Switched)
   • Koffin-K (Undertale - TS!Underswap by Team Switched)/Sans (Undertale)
   • Koffin-K (Undertale - TS!Underswap by Team Switched)/Papyrus (Undertale)
   • Harry/Koffin-K/Larry (Undertale - TS!Underswap by Team Switched)
   • Koffin-K (TS!Underswap - Team Switched)
   • Reader
   • Harry (TS!Underswap - Team Switched)
   • Larry (TS!Underswap - Team Switched)
   • Sans (Undertale)
   • Papyrus (Undertale)
   • Fangame: TS!Underswap - Team Switched (Undertale)
   • headcanons
   • content warnings at the start of each chapter
   • Yandere
   • (◀️ there’s a chapter on it so im tagging it for exposure)
   • Trans Male Character
   • (again (comma) theres a chap on it so exposure tagging)
   • Trans Female Character
   • Other Ships Not Mentioned in Tags
   • (mostly cuz they break up after 0.00000001 seconds)
   • Alternate Universe - Fellswap (Undertale)
   • or maybe
   • Alternate Universe - Swapfell (Undertale)
   • idrk anymore
   • Alternate Universe - Swapswap (Undertale)
   • NSFW Alphabet Challenge
   • SFW Alphabet Challenge

   Summary

   someone tell me how i fell for a fictional hat please

   Series

   • Part 3 of KOFFIN-KONTENT (HE’S SO WORTH IT)

   Language:

   English

   Words:

   5,643

   Chapters:

   10/?

   Comments:

   8

   Kudos:

   7

   Bookmarks:

   1

   Hits:

   109

   Bookmarked by INJECTEDBATS

   28 Feb 2026

   Bookmarker's Notes

   First nsfw koffin k fanfic im eatting (him out) WELL

2. Public Bookmark 1

   Captive Audience (KOFFIN-K X READER ONESHOT) by maxb_sco

   Fandoms: Undertale (Video Game)  

   • Teen And Up Audiences
   • No Archive Warnings Apply
   • F/M, M/M, Other
   • Complete Work

   18 Feb 2026

   Tags

   • No Archive Warnings Apply
   • Koffin-K (TS!Underswap - Team Switched)/Reader
   • Reader
   • Koffin-K (TS!Underswap - Team Switched)
   • Fangame: TS!Underswap - Team Switched (Undertale)
   • Movie Night
   • Gender-Neutral Reader-Insert
   • Hostage Situations
   • kinda stockholm syndrome but the feelings develop from a different thing so idk if it counts
   • Reader Is A Monster (Undertale)
   • Reader Is Not Frisk (Undertale)
   • Reader Is Not Chara (Undertale)
   • POV Second Person
   • fluff if you ignore the kidnapping
   • koffin-k is kinda drunk but hes definitely gonna remember this
   • No Use of Y/N for Reader-Insert
   • Use of Italicised "Oh."
   • probably kinda ooc
   • (less so at the start)
   • rated teen due to alcohol so it might become gen rated in the future idk
   • Kissing
   • maybe even making out
   • no beta we die like men
   • Wordcount: 500-1.000
   • One Shot

   Summary

   You’re kidnapped by the DASTARDLY Count Koffin-K, until Crossbones inevitably comes and saves you the next day.

   On a 100% totally unrelated note, he really, and I mean REALLY wants to watch an old human movie he found in the garbage with someone, anyone.

   Surely these two events coinciding with each other won’t kickstart a relationship, right?

   Series

   • Part 2 of KOFFIN-KONTENT (HE’S SO WORTH IT)

   Language:

   English

   Words:

   806

   Chapters:

   1/1

   Comments:

   3

   Kudos:

   4

   Bookmarks:

   1

   Hits:

   32

   Bookmarked by INJECTEDBATS

   28 Feb 2026

   Bookmarker's Notes

   PEAKEST OF PEAK ACTSI....

3. Public Bookmark 1

   Rolfe's Freaks by orphan_account for animatronic_enjoyer

   Fandoms: The Rock-afire Explosion (Band)  

   • General Audiences
   • Creator Chose Not To Use Archive Warnings
   • No category
   • Work in Progress

   16 Dec 2024

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Rolfe DeWolfe

   Summary

   This is a fanfiction of the fanfiction, Freaks.

   Language:

   English

   Words:

   710

   Chapters:

   1/?

   Kudos:

   5

   Bookmarks:

   1

   Hits:

   116

   Bookmarked by INJECTEDBATS

   11 Feb 2026

   Bookmarker's Notes

   NNSNMMKSKSKSSK

4. Public Bookmark 16

   5 Times Rolfe Showed He Cares For The Band (And 1 Time They Care For Him) by LexiconOfTheOcean_00

   Fandoms: The Rock-afire Explosion (Band)  

   • Not Rated
   • No Archive Warnings Apply
   • Gen
   • Complete Work

   07 Jul 2023

   Tags

   • No Archive Warnings Apply
   • Rolfe DeWolfe & Mitzi Mozzarella
   • Rolfe DeWolfe & Earl Schmerle
   • Rolfe DeWolfe & Beach Bear
   • Rolfe DeWolfe & Billy Bob Brockali
   • Billy Bob Brockali & Choo Choo
   • Rolfe DeWolfe & Choo Choo
   • Looney Bird & Billy Bob Brockali
   • Rolfe DeWolfe & Looney Bird
   • Beach Bear/Dook LaRue
   • Rolfe DeWolfe & Dook LaRue
   • Rolfe DeWolfe
   • Mitzi Mozzarella
   • Original Characters
   • (Tho they're not important)
   • Earl Schmerle
   • Beach Bear (The Rock-afire Explosion)
   • Looney Bird (The Rock-afire Explosion)
   • Billy Bob Brockali
   • Fatz Geronimo
   • Dook LaRue
   • Choo Choo (The Rock-afire Explosion)
   • 5+1 Things
   • Blood and Injury
   • (is nothing serious don't worry)
   • mentions of bullying
   • Mitzi punches a bully in the face
   • Swearing
   • Other Additional Tags to Be Added
   • Rolfe DeWolfe is a Dad
   • Fluff
   • Domestic Fluff
   • Angst and Hurt/Comfort
   • Babysitting
   • insomia
   • how is that not a tag?
   • Hate mail
   • mention of slurs
   • Is not written but you can guess what is
   • Apologies
   • Rolfe is not a complete asshole
   • Implied/Referenced Child Abuse
   • Thunderstorms
   • Flashbacks
   • The Rock-Afire Explosion as Found Family

   Summary

   Or: Breaking News, resident jerk caught having a heart, more at 11

   Language:

   English

   Words:

   14,559

   Chapters:

   6/6

   Comments:

   90

   Kudos:

   84

   Bookmarks:

   16

   Hits:

   1,168

   Bookmarked by INJECTEDBATS

   11 Feb 2026

   Bookmarker's Notes

   genuinely balled my wyes out at this like a baby

5. Public Bookmark 2

   i’ll think of a title eventually trust me guys (KOFFIN-K X READER) by maxb_sco

   Fandoms: Undertale (Video Game)  

   • Teen And Up Audiences
   • No Archive Warnings Apply
   • M/M, Other, F/M
   • Work in Progress

   28 Mar 2026

   Tags

   • No Archive Warnings Apply
   • Koffin-K (TS!Underswap - Team Switched)/Reader
   • Harry/Larry (Undertale - TS!Underswap by Team Switched)
   • Koffin-K (TS!Underswap - Team Switched)
   • Reader
   • Harry (TS!Underswap - Team Switched)
   • Larry (TS!Underswap - Team Switched)
   • Crossbones (TS!Underswap - Team Switched)
   • koffin k is a zaddy 😛😛
   • Idiots in Love
   • (both pairings apply)
   • Gender-Neutral Reader-Insert
   • Alternate Universe - Underswap (Undertale)
   • Fangame: TS!Underswap - Team Switched (Undertale)
   • Reader Is A Monster (Undertale)
   • POV Second Person
   • No Use of Y/N for Reader-Insert
   • no beta we die like the boogiemen on ruthless
   • I'm Bad At Titles
   • Eventual Romance

   Summary

   You’re down on a job, and a house. You see an offering that promises it all, with people saying it gives all that too! But the guy sucks, apparently.

   But hey, how bad could it be?!

   Series

   • Part 1 of KOFFIN-KONTENT (HE’S SO WORTH IT)

   Language:

   English

   Words:

   3,007

   Chapters:

   5/?

   Comments:

   3

   Kudos:

   5

   Bookmarks:

   2

   Hits:

   123

   Bookmarked by INJECTEDBATS

   11 Feb 2026

   Bookmarker's Tags:

   • LET ME AT HIM

   Bookmarker's Notes

   first koffin k x reader fic of the century