Deltarune x Undertale au

Series Metadata

Listing Series

• Villain and Violent, Infant and Innocent by Random_genshinfan

  Fandoms: Undertale (Video Game), Deltarune (Video Game)  

  • Mature
  • Creator Chose Not To Use Archive Warnings
  • No category
  • Complete Work

  27 Jul 2026

  Tags

  • Creator Chose Not To Use Archive Warnings
  • Chara & Asriel Dreemurr
  • Chara (Undertale)
  • Asriel Dreemurr
  • Clover (Undertale Yellow - Master Sword)
  • It/Its and They/Them Pronouns For Chara (Undertale)
  • Age Regression/De-Aging
  • Bed-Wetting
  • Self-Indulgent
  • Age Regression Little Chara (Undertale)
  • Nightmares
  • Emotionally Repressed
  • Chara (Undertale) Needs a Hug
  • Chara Hates Humanity (Undertale)
  • Chara (Undertale) Has PTSD - Post-Traumatic Stress Disorder
  • Chara (Undertale) Has Issues
  • Chara Has OCD (Undertale)
  • Autistic Chara (Undertale)
  • Preferably dont hug Chara just uh sit next to them I guess
  • Character Study
  • kinda???
  • Alternate Universe - College/University
  • Asriel Dreemurr and Chara are Siblings (Undertale)
  • Sweetheart Asriel Dreemurr
  • Emotional Hurt/Comfort
  • Body Dysphoria
  • Past Child Abuse
  • Implied Childhood Sexual Abuse
  • Mentioned Toriel (Undertale)
  • Chara throws up but its not graphic
  • Child on child assault
  • The sexual assault is very obvious in one of Chara's nightmares but it gets cut off
  • AI "writers/artists" DNI

  Summary

  Chara wakes up gasping for air from another nightmare. Shame burns their skin, immediately noticing the disgusting liquid pooled on their bed after their panic diminished. How can they be so immature? This isn't supposed to happen!
  —
  Sry i'm projecting

  Don't read if you like sexual age play or would get off to this, please, It makes the author umconfortable

  Series

  • Part 1 of Deltarune x Undertale au

  Language:

  English

  Words:

  3,568

  Chapters:

  1/1

  Comments:

  5

  Kudos:

  13

  Bookmarks:

  5

  Hits:

  239

• Monster university is hard! by Random_genshinfan

  Fandoms: Undertale Yellow (Master Sword Video Game), Undertale (Video Game), Deltarune (Video Game)  

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

  09 Mar 2026

  Tags

  • Creator Chose Not To Use Archive Warnings
  • Chara & Asriel Dreemurr
  • Chara & Frisk (Undertale)
  • Chara (Undertale) & Clover (Undertale Yellow - Master Sword)
  • Clover (Undertale Yellow - Master Sword) & Asriel Dreemurr
  • Clover (Undertale Yellow - Master Sword) & Frisk (Undertale)
  • Asriel Dreemurr & Frisk
  • Frisk & Human Souls (Undertale)
  • Human Souls (Undertale)
  • Frisk (Undertale)
  • Chara (Undertale)
  • Clover (Undertale Yellow - Master Sword)
  • Asriel Dreemurr
  • Blue Soul Human (Undertale)
  • Orange Soul Human (Undertale)
  • Light Blue Soul Human (Undertale)
  • Purple Soul Human (Undertale)
  • Chara (Undertale) Has PTSD - Post-Traumatic Stress Disorder
  • Nonbinary Chara & Frisk (Undertale)
  • They/Them Pronouns for Chara and Frisk (Undertale)
  • Chara (Undertale) Has Their Own Body
  • Alternate Universe - College/University
  • Chara (Undertale) Needs a Hug
  • They/Them Pronouns for Clover (Undertale Yellow - Master Sword)
  • Adult Chara (Undertale)
  • Adult Frisk (Undertale)
  • Adult Asriel Dreemurr
  • Suicidal Chara (Undertale)
  • Chara Hates Humanity (Undertale)
  • Chara (Undertale) Has Issues
  • Chara-Centric (Undertale)
  • Frisk (Undertale)-centric
  • Clover Has Issues (Undertale Yellow - Master Sword)
  • Body Dysphoria
  • Implied/Referenced Rape/Non-con
  • Past Rape/Non-con
  • Self-Indulgent
  • Light Masochism
  • Chara Being a Jerk (Undertale)
  • Cinnamon Roll Asriel Dreemurr
  • Chara and Asriel depend on eachother
  • Tags may be added
  • No beta we die like the author's grandpa
  • Asriel and Chara are co-dependent If you havent noticed
  • Chara has OCD
  • Mentioned Kris (Deltarune)
  • Mentioned Toriel (Undertale)
  • Mentioned Asgore (Undertale)
  • Asriel is the golden boy of his family and he feels bad about it
  • Humor as a coping mechanism
  • asriel is a crybaby
  • Soft Chara (Undertale)
  • Protective Chara (Undertale)
  • Dehumanization
  • Chara actually dehumanizes themselves
  • Hurt/Comfort
  • Hurt No Comfort
  • Comfort No Hurt
  • Slow to Update
  • It/Its and They/Them Pronouns For Chara (Undertale)

  Summary

  Chara, Frisk, Clover, Asriel and the souls all go to the same university and they are friends.

  But what about their struggles?

  (NOT ABANDONED I SWRAR, SCHOOL IS JUST EATING MY ASS)
  Might get rewritten

  Series

  • Part 2 of Deltarune x Undertale au

  Language:

  English

  Words:

  3,091

  Chapters:

  2/9

  Comments:

  6

  Kudos:

  12

  Bookmarks:

  1

  Hits:

  260