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1. Stealth Mode by NebulousKale

   Fandoms: Undertale (Video Game)  

   • Not Rated
   • No Archive Warnings Apply
   • F/M, M/M
   • Complete Work

   11 Jan 2026

   Tags

   • No Archive Warnings Apply
   • Sans (Undertale)/Reader
   • Sans (Undertale)
   • Gender Neutral Reader - Character
   • Alternate Universe - Underfell (Undertale)
   • Sans goes by "Roark" here
   • New Year's Eve
   • New Year's Kiss
   • New Year's Fluff
   • in which Roark sneaks you away for a motorcycle ride
   • Puns & Word Play
   • romance isn't dead - it's just punny and a little rude
   • Idiots in Love
   • Underfell Sans (Undertale)

   Summary

   Roark steals you away from the skeleton estate's party as things grow dark and rowdy.

   Where will he take you, and what does he have in store for you?

   Series

   • Part 4 of 2025 New Year's Kisses

   Language:

   English

   Words:

   1,042

   Chapters:

   1/1

   Comments:

   2

   Kudos:

   7

   Bookmarks:

   3

   Hits:

   96