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1. All I Ever Wanted, All I Ever Needed by Alennyah

   Fandoms: Undertale (Video Game)  

   • Explicit
   • Creator Chose Not To Use Archive Warnings
   • M/M
   • Complete Work

   26 Aug 2025

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Sans/Sans (Undertale)
   • sans (undertale) - Freeform
   • Underfell Sans (Undertale)
   • Undertale Monsters on the Surface
   • Alternate Universe - Vampire
   • Ecto-Genitalia (Undertale)
   • Ecto-Penis (Undertale)
   • Ecto-Tongue (Undertale)
   • Ecto-Vagina (Undertale)
   • soul biting
   • catching feelings
   • All the banter with these two
   • two idiots falling in love

   Summary

   Red finally, finally gets Sans to agree to a fun time in bed. They have a great time together! Then Sans goes and works himself to the bone before finding the courage to invite Red to see a meteor shower. Who knew he'd learn Red's deepest secret while under the stars?

   Language:

   English

   Words:

   12,899

   Chapters:

   1/1

   Collections:

   1

   Comments:

   3

   Kudos:

   49

   Bookmarks:

   7

   Hits:

   468