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1. Shelter by starcremies

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

   • Mature
   • No Archive Warnings Apply
   • M/M
   • Complete Work

   14 Feb 2026

   Tags

   • No Archive Warnings Apply
   • Mettaton (Undertale)/Tenna (Deltarune)
   • Tenna (Deltarune)
   • Mettaton (Undertale)
   • Other Undertale Characters
   • Alternate Universe - Defernull by Vic Underfella (Deltarune)
   • Alternate Universe - Underfell (Undertale)
   • Underfell Mettaton (Undertale)
   • Possessive Tenna (Deltarune)
   • Emotionally Repressed
   • Emotional Baggage
   • Past Trauma
   • Protectiveness
   • Hurt/Comfort
   • Comfort
   • Caretaking
   • Pet Names
   • Violence
   • Gun Violence
   • Implied/Referenced Character Death
   • Possessive Behavior
   • Overprotective
   • Married Couple
   • Mental Health Issues
   • Hypnotism
   • Psychological Trauma
   • mob/mafia dynamics
   • Kissing
   • Cuddling & Snuggling
   • Chronic Pain
   • Insults
   • Temper Tantrums
   • Unhealthy Coping Mechanisms
   • Murder Husbands
   • Murder
   • Blood and Violence
   • Self-Harm

   Summary

   When Mettaton is hurting, he goes right to Tenna.

   Tenna will make everything better - he always does.

   Series

   • Part 2 of Defernull/Underfell Mettatenna

   Language:

   English

   Words:

   4,354

   Chapters:

   1/1

   Kudos:

   26

   Bookmarks:

   4

   Hits:

   148