1 Series by UserCookie2008

Listing Series

• how many isekais does it take to scroll in a lightbulb by Awlful_Koffee, LunaGirl39, MortallyDarkBird, Saltyfryz, TheDarklingDude, UserCookie2008, Z1pperZoomin

  Fandom: Undertale (Video Game)

  • Mature, Teen And Up Audiences, Not Rated
  • Graphic Depictions Of Violence, Major Character Death, Creator Chose Not To Use Archive Warnings, No Archive Warnings Apply
  • M/M, Other, Multi
  • Series in Progress

  01 Oct 2025

  • Graphic Depictions Of Violence
  • Major Character Death
  • Creator Chose Not To Use Archive Warnings
  • No Archive Warnings Apply
  • W. D. Gaster/Grillby
  • Grillby (Undertale)/Reader
  • Sans/Sans (Undertale)
  • Sans (Undertale)/Reader
  • W. D. Gaster & Reader
  • Papyrus & Sans (Undertale)
  • Grillby/Sans (Undertale)
  • W. D. Gaster & Papyrus & Sans
  • Sans (Undertale)/Original Character(s)
  • Other Relationship Tags to Be Added
  • W. D. Gaster
  • Sans (Undertale)
  • Papyrus (Undertale)
  • Grillby (Undertale)
  • Alphys (Undertale)
  • Undyne (Undertale)
  • Reader
  • Undertale Monster(s)
  • Other Undertale Characters
  • Toriel (Undertale)
  • Asriel Dreemurr
  • "Bastard Squid"
  • Alternate Universe - Horrortale (Undertale)
  • horrortale gaster - Freeform
  • Child Experimentation
  • Child Abuse
  • Manipulation
  • Isekai
  • Determination Experiments (Undertale)
  • Starvation
  • Claustrophobia
  • soul experimentation
  • Child Neglect
  • speedrun
  • Reset Angst (Undertale)
  • Angst
  • Speech loss
  • Memory Loss
  • Gaslighting
  • Reader is Gaster
  • Skeleton Reader
  • Angst with a Happy Ending
  • I think?
  • Hurt/Comfort
  • the comfort might take a while though
  • no beta we die like... well. y'know.
  • Alternate Universe - Underswap (Undertale)
  • Underswap Sans (Undertale)
  • Dreamtale Sans | Dream (Undertale)
  • Reader is an Alternate Universe Sans (Undertale)
  • Fluff
  • gen z humor
  • Reincarnation
  • no beta we die like uhhhhh
  • Other Additional Tags to Be Added
  • Reader has Batophobia
  • mention of religion
  • He/Him and They/Them Pronouns for Reader-Insert
  • Reader-Insert
  • Isekai and Transmigration
  • Character Death
  • Trans Male Reader-Insert
  • Fluff and Angst
  • Attempt at Humor
  • Violence
  • Grief/Mourning
  • Alternate Universe - Reincarnation
  • Trans Reader-Insert
  • POV Third Person
  • ?? - Freeform
  • Self-Indulgent
  • Good W. D. Gaster
  • Parent W. D. Gaster
  • Good Parent W. D. Gaster
  • Daster beloved
  • Alternate Universe - Undertale Multiverse | UTMV (Undertale)
  • Tags Are Hard
  • Panic Attacks
  • Anxiety
  • Separation Anxiety
  • Past Child Abuse
  • Implied/Referenced Character Death
  • Emotional Baggage
  • Multilingual Character
  • multilingual Gaster
  • hints of french
  • mute character
  • Mute Reader-Insert
  • Gaster's got a prosthetic arm
  • Tags Contain Spoilers
  • eventually
  • Slice of Life
  • Nonbinary Reader-Insert
  • Skeleton Reader (Undertale)
  • Or well Skeleton Doll
  • Selectively Mute Chara (Undertale)
  • Drowning
  • Beach Episode
  • Reader Is A Shapeshifter
  • Suicidal Thoughts
  • more tags will be added
  • Unrequited Love
  • Reader Is Not Frisk (Undertale)
  • Seizures
  • Attempted Murder
  • Unreliable Narrator
  • cutely drowns
  • Alternate Universe - Underlust (Undertale)
  • Underlust gaster - Freeform
  • Experimentation
  • Heat Serum
  • Fire
  • Animal Death
  • house fire
  • god so much angst
  • no beta we die like reader
  • POV Second Person
  • Reader is not Frisk or Chara (Undertale)
  • teehee
  • I'm just a silly guy
  • small amount of body horror
  • :innocent:
  • reader uses she/they pronouns
  • Reader has a Green Soul (Undertale)
  • kindness soul is no bitch
  • Male Reader-Insert

  Summary

  A series with 7 creators who probably don't communicate as well as they should

  Words:

  12,621

  Works:

  4

  Bookmarks:

  7