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   There are many benefits to being a marine biologist by Arziislugia, skrunklystar

   Fandoms: Five Nights at Freddy's  

   • Explicit
   • No Archive Warnings Apply
   • Multi
   • Work in Progress

   30 Dec 2025

   Tags

   • No Archive Warnings Apply
   • Sun (Five Nights at Freddy's)/Reader
   • Moon (Five Nights at Freddy's)/Reader
   • Moon/Sun (Five Nights at Freddy's)/Reader
   • Daycare Attendant (Five Nights at Freddy's)/Reader
   • Sun (Five Nights at Freddy's)
   • Moon (Five Nights at Freddy's)
   • Daycare Attendant (Five Nights at Freddy's)
   • AFAB reader - Freeform
   • reader is not called y/n
   • mermaid au
   • Mer AU
   • Marine biologist reader
   • Biting
   • Marking
   • Mating Cycles/In Heat
   • Oviposition
   • Egg Laying
   • Eggpreg
   • Pheromones
   • Scent Kink
   • Breeding
   • Vaginal Sex
   • Cunnilingus
   • Threesome - F/M/M
   • Tentacle Dick
   • Bioluminescence
   • Hypnosis
   • (kind of?)
   • poor understanding of human biology
   • Double Penetration in One Hole
   • Near Drowning
   • Mild Blood

   Summary

   Marine biologists aren't supposed to fall in love with their specimens, but you've always been kind of a rulebreaker. When two new mer-creatures arrive at your lab, you get a chance to speedrun The Shape of Water - and get a few dozen eggs inside you, too.

   Language:

   English

   Words:

   20,624

   Chapters:

   7/8

   Collections:

   2

   Comments:

   97

   Kudos:

   1,620

   Bookmarks:

   310

   Hits:

   35,541

   Bookmarked by yummybread

   23 Nov 2024