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. It Slithers In by AnastasiaDeArmas

   Fandoms: Multiverse - Fandom, Aliens and UFOs - Fandom  

   • Explicit
   • Creator Chose Not To Use Archive Warnings
   • M/M, Multi, Other
   • Work in Progress

   08 Jun 2026

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Explicit Sexual Content
   • Alternate Universe - Fantasy
   • Alien/Human Relationships
   • Group Sex
   • Non-Human Genitalia
   • Human Experimentation
   • Alien Abduction
   • Anal Sex
   • Established Relationship
   • Gay Male Character
   • Bukkake
   • Spitroasting
   • Body Worship
   • Blow Jobs
   • Alien Culture
   • Double Anal Penetration
   • Threesome - M/M/M
   • Mythology References
   • Prostate Milking
   • Size Difference
   • Biting
   • Alien Gender/Sexuality
   • Highbrow smut
   • Angst
   • Love Triangles
   • 69 (Sex Position)
   • Blood Kink
   • Dimension Travel
   • Parallel Universes
   • Gay Parents
   • Domestic Fluff
   • Domestic Bliss
   • Bottoming from the Top
   • Service Top
   • Face-Fucking
   • Face-Sitting
   • Alien Sex
   • Light BDSM
   • Dom/sub Play
   • Fetish Clothing
   • Praise Kink
   • Futanari
   • Squirting and Vaginal Ejaculation
   • First Time Shifting
   • Mpreg | Male Pregnancy
   • Hermaphrodites
   • Blood and Gore
   • Original Character Death(s)
   • Tentacle Sex
   • Nipple Play
   • Clit Play
   • Kidnapping
   • Rape/Non-con Elements
   • Mind Manipulation
   • Non-Consensual Blood Drinking
   • Attempted Murder
   • Coma
   • Original Character(s)
   • Original Fiction
   • Musicians
   • Tour Bus Sex
   • Merfolk
   • Sirens
   • Underwater Sex
   • Alternate Universe - Shapeshifters
   • Monsterfucking | Teratophilia
   • Hurt/Comfort

   Summary

   Latest
   14 Scale Armored Angels

   Next
   15 About A Boy

   I’m metamorphosing Vipers of the 5th Kind into a new, original tale, It Slithers In
   it’ll take a while & whatever chapters I don’t transform, will be posted SOON under my story Heart Work volume II! ♡
   p.s., to anyone reading the new chapters, I’m using this as a journal/archive, so there will be errors along the journey

   Series

   • Part 2 of Serpent Subduers From Outer Space

   Language:

   English

   Words:

   130,481

   Chapters:

   52/55

   Comments:

   633

   Kudos:

   66

   Bookmarks:

   17

   Hits:

   11,160