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• Caught in the ACT - Underswap Fanfic - Part 1 by BloopAndGoop

  Fandoms: Undertale (Video Game)  

  • Explicit
  • No Archive Warnings Apply
  • F/M
  • Work in Progress

  02 Jul 2024

  Tags

  • No Archive Warnings Apply
  • Papyrus & Sans (Undertale)
  • Papyrus/Sans (Undertale)
  • Sans (Undertale)
  • Papyrus (Undertale)
  • Alternate Universe - Underswap (Undertale)
  • Underswap Sans (Undertale)
  • Underswap Papyrus (Undertale)
  • Swapcest - Freeform
  • Sibling Incest
  • Rule 63
  • Female Sans (Undertale)

  Summary

  Sans comes home after a long night of hard work and puzzles, however it seems her brother is yet to come home, leaving her to take a break on the couch, quickly noticing Papyrus' hoodie, she feels a strange desire come over her, leading to her doing something she never would have expected.

  Series

  • Part 1 of Caught in the ACT

  Language:

  English

  Words:

  1,568

  Chapters:

  1/?

  Kudos:

  10

  Bookmarks:

  1

  Hits:

  213