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1. Dirty Up Your Mind by sneezypotato

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

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

   09 Mar 2026

   Tags

   • No Archive Warnings Apply
   • Mettaton (Undertale)/Tenna (Deltarune)
   • Mettaton (Undertale)
   • Tenna (Deltarune)
   • Explicit Sexual Content
   • Established Relationship
   • Trans Mettaton (Undertale)
   • Strap-Ons
   • Robot Sex
   • Desk Sex
   • Puppy Play
   • Doggy Style
   • Rimming
   • Size Difference
   • Top Mettaton (Undertale)
   • Bottom Tenna (Deltarune)
   • Dom/sub Undertones
   • POV Tenna (Deltarune)
   • Plot What Plot/Porn Without Plot

   Summary

   It's hard for Tenna to get any work done when Mettaton's around.

   Language:

   English

   Words:

   3,450

   Chapters:

   1/1

   Comments:

   4

   Kudos:

   56

   Bookmarks:

   7

   Hits:

   741