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1. Kinktober 2025 Part 1 by Expanded_Medulla_Ossium

   Fandoms: Undertale (Video Game)  

   • Explicit
   • Creator Chose Not To Use Archive Warnings, Rape/Non-Con
   • M/M, Multi
   • Complete Work

   16 Oct 2025

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Rape/Non-Con
   • Sans/Sans (Undertale)
   • Cross sans/Nightmare sans - Relationship
   • Error Sans/Swap Sans
   • Dust Sans/Killer Sans/Horror Sans
   • Horror Sans/Farm Sans/Dust Sans
   • Error Sans/Dream Sans
   • Epic Sans/Cross Sans
   • Killer Sans/Cross Sans
   • Bad Sans Poly
   • Bad Sans Poly/Swap Sans
   • Cross Sans/Swap Sans
   • Bad Sans Poly/Error Sans
   • Error Sans/Ink Sans
   • lust sans/fell sans
   • Nightmare Sans/Swap Sans
   • Dream Sans/Swap Sans
   • Farm Sans/Dust Sans
   • Cross sans
   • Nightmare Sans
   • Sans Ensemble (Undertale)
   • Error Sans
   • swap sans
   • Killer Sans - Character
   • Dust Sans
   • horror sans
   • Farm Sans
   • Dream Sans
   • Epic Sans
   • Ink Sans
   • Lust Sans
   • Kinktober 2025
   • Alternate Universe - Undertale Multiverse | UTMV (Undertale)
   • Masturbation
   • Kidnapping
   • Coming Untouched
   • Threesome - M/M/M
   • Nipple Clamps
   • Sounding
   • Vouyerism
   • Finger Sucking
   • Dacryphilia
   • Royaul Au
   • Outdoor Sex
   • Intoxication
   • Bloodplay
   • Knifeplay
   • Chastity Device
   • noncon
   • Cage/Cell
   • Webcams
   • Shibari
   • Tentacles
   • Exhibitionism
   • Aftercare
   • Consensual Non-Consent
   • Oral Sex
   • Somnophilia
   • Come Eating
   • sissification
   • Sex Work
   • Kneeling
   • Uniform Kink
   • Dildos
   • Sub Top/Dom Bottom
   • Possessive Sex
   • Choking
   • Semi-Public Sex
   • Object Insertion
   • Wall Sex
   • high protocol
   • Remote Control
   • messy sex
   • Service Kink

   Summary

   My first Kinktober attempts :)

   Series

   • Part 1 of Cactus’ Kinktober 2025

   Language:

   English

   Words:

   8,500

   Chapters:

   17/17

   Comments:

   87

   Kudos:

   134

   Bookmarks:

   12

   Hits:

   4,296