Archive of Our Own

Recent works

• Unprofessional Business by van859

  Fandoms: Undertale (Video Game)  

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

  23 Feb 2026

  Tags

  • Creator Chose Not To Use Archive Warnings
  • Asgore Dreemurr/W. D. Gaster
  • Asgore Dreemurr
  • W. D. Gaster
  • Biting
  • Biting Kink
  • Lab Sex
  • True Lab (Undertale)
  • Scientist W. D. Gaster
  • Grinding
  • i hate them

  Summary

  this is lowkey my worst work yet. Enjoy. ALSO HAPPY BIRTHDAY MARTIN

  Language:

  English

  Words:

  863

  Chapters:

  1/1

  Comments:

  4

  Kudos:

  8

  Bookmarks:

  1

  Hits:

  206