1 Series by SpectrumWriting

Listing Series

• Bonus Content & Extras by SpectrumWriting

  Fandom Deltarune (Video Game), Undertale (Video Game)

  • Teen And Up Audiences, General Audiences
  • Graphic Depictions Of Violence, Major Character Death, No Archive Warnings Apply
  • F/F, Gen, Other
  • Series in Progress

  14 Jun 2026

  • Graphic Depictions Of Violence
  • Major Character Death
  • No Archive Warnings Apply
  • Frisk (Undertale) & Kris (Deltarune)
  • Kris & Susie (Deltarune)
  • Kris & Ralsei & Susie (Deltarune)
  • Frisk & Sans (Undertale)
  • Chara & Frisk (Undertale)
  • Frisk (Undertale) & Everyone
  • Kris & Kris' Red Soul (Deltarune)
  • Frisk (Undertale)
  • Kris (Deltarune)
  • Kris' Red Soul (Deltarune)
  • Sans (Undertale)
  • Undertale Ensemble
  • Susie (Deltarune)
  • Ralsei (Deltarune)
  • Other Undertale Characters
  • Unreliable Narrator
  • Time Loop
  • the usual UT/DR reset shenanigans
  • POV Alternating
  • Alternate Universe - Canon Divergence
  • Post-Deltarune Chapter Four
  • Post-Undertale Pacifist Route
  • Post-Undertale Genocide Route
  • Identity Issues
  • Gender-Neutral Frisk (Undertale)
  • Gender-Neutral Kris (Deltarune)
  • Age Regression/De-Aging
  • college age frisk is now smol once again
  • Angst and Hurt/Comfort
  • Fluff and Angst
  • Canon-Typical Violence
  • Non-Canon Typical Swearing
  • Let Susie say fuck
  • the sans-frisk friendship situation is complicated
  • Complicated Relationships
  • Papyrus (Undertale) Knows More Than He Lets On
  • Kris's Inability to Talk About Their Feelings
  • THE PROPHECY LOOMS OVER US ALL
  • Video Game Mechanics
  • Selectively Mute Frisk (Undertale)
  • Selectively Mute Kris (Deltarune)
  • Other Additional Tags to Be Added
  • Sans Partially Remembers Resets (Undertale)
  • Panic Attacks
  • Suicidal Ideation (no follow through)
  • Self-Harm
  • Implied/Referenced Self-Harm
  • Past Suicide Attempts
  • The Author is happily making up new UT/DR spells and no one can stop them
  • Sadly adds the tag
  • Written Pre-Deltarune Chapter Five

  Words:

  94,125

  Works:

  2