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1. Castaway by Thee_Horny_Thicky

   Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)  

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

   13 Jun 2023

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Gyutaro (Kimetsu no Yaiba)/Reader
   • Daki | Ume (Kimetsu no Yaiba)
   • Gyutaro (Kimetsu no Yaiba)
   • Reader
   • You
   • Yandere Gyutaro (Kimetsu no Yaiba)
   • MerMay
   • Yandere
   • Merman Gyutaro
   • Possibly Unrequited Love
   • Dubious Consent
   • Stranded
   • Reader-Interactive
   • Reader-Insert
   • Choose Your Own Ending
   • Stalking
   • Survival
   • Boats and Ships
   • castaway
   • Ocean
   • Sea Monsters
   • Eventual Smut
   • Two Endings
   • Other Additional Tags to Be Added
   • Double Penetration
   • Double Penetration in Two Holes
   • Anal Sex
   • Anal Fingering
   • Rimming
   • Cunnilingus
   • Vaginal Sex
   • Love Confessions
   • Mutual Pining
   • Breeding
   • Masturbation

   Summary

   When you become stranded in the middle of the ocean, a merman by the name of Gyutaro takes a liking to you.

   ***18+ Minors, DNI!***

   Language:

   English

   Words:

   10,031

   Chapters:

   3/3

   Comments:

   34

   Kudos:

   628

   Bookmarks:

   71

   Hits:

   12,283