Adult Content Warning

This work could have adult content. If you continue, you have agreed that you are willing to see such content.

• Yes, Continue
• No, Go Back

If you accept cookies from our site and you choose "Yes, Continue", you will not be asked again during this session (that is, until you close your browser). If you log in you can store your preference and never be asked again.

1. you're blue, i'm red (i wanna kiss your neck) by milo_vision

   Fandoms: Undertale (Video Game)  

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

   01 Feb 2026

   Tags

   • Creator Chose Not To Use Archive Warnings
   • killer x color
   • color/killer
   • Killer/Color
   • Sans/Sans (Undertale)
   • Killer Sans - Character
   • something new - Character
   • Color Sans
   • Othertale - Character
   • Killer!Sans - Character
   • Color!Sans
   • why are there no killer x color you damn losers
   • it's the killermare shippers ik it
   • they hurt me so
   • Smut
   • Angst?
   • not really - Freeform
   • But smut
   • Anal Sex
   • Blowjobs
   • The Author Regrets Nothing
   • English Is Not the Author's First Language
   • Sexual Overstimulation
   • Sexual Content
   • Crying During Sex
   • Choking Kink
   • Scratching Kink
   • i really need a fucking cig
   • Praise Kink
   • I probably missed some tags
   • Biting Kink
   • Orgasm Denial
   • Missionary Position

   Summary

   Color and Killer hang out while Delta and Epic are out.

   hang out.

   ””””hang out””””

   Language:

   English

   Words:

   3,213

   Chapters:

   1/1

   Comments:

   2

   Kudos:

   56

   Bookmarks:

   4

   Hits:

   524