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1. Let’s get naughty by Sharkster27

   Fandoms: Undertale  

   • Explicit
   • Creator Chose Not To Use Archive Warnings
   • Other
   • Work in Progress

   22 Jan 2026

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Reader/Sans
   • Sans (Undertale)
   • Sans Ensemble (Undertale)
   • Reader
   • Penis in Vagina Sex
   • Drunk Sex
   • Single mom reader
   • Xtale Sans | Cross (Undertale)
   • They fuck hard
   • ecto dick
   • cream pies
   • I really fucking like when they cum inside
   • chapter one is me being a horny fucking bastard
   • They just jump each others bones
   • I really wanted to write porn

   Summary

   Let go through some spicy scenarios as add ons

   Series

   • Part 2 of Single mom with a single job add ons and more

   Language:

   English

   Words:

   997

   Chapters:

   1/?

   Kudos:

   8

   Bookmarks:

   1

   Hits:

   449