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1. Professor Byleth's Slut Class by OurArchive

   Fandoms: Fire Emblem Series, Fire Emblem: Fuukasetsugetsu | Fire Emblem: Three Houses  

   • Explicit
   • Creator Chose Not To Use Archive Warnings, Rape/Non-Con, Underage Sex
   • F/M
   • Work in Progress

   12 May 2026

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Rape/Non-Con
   • Underage Sex
   • Mercedes von Martritz/My Unit | Byleth
   • Hilda Valentine Goneril/My Unit | Byleth
   • My Unit | Byleth
   • Mercedes von Martritz
   • Hilda Valentine Goneril
   • Mind Control
   • Mind Manipulation
   • Oral Sex
   • Vaginal Sex
   • Penis in Vagina Sex
   • Sex Toys
   • Butt Plugs
   • Vibrators
   • Humiliation
   • Leashes
   • Collars
   • I suck at tagging things lol
   • Please suggest more applicable tags that I can't think of
   • Smut
   • Teacher-Student Relationship
   • Harem
   • Breast Fucking
   • Hand Jobs
   • Anal Sex
   • Anal
   • Anal Plug
   • cumflation
   • Large Cock
   • cock growth
   • Magic

   Summary

   Byleth has decided to teach the girls of the Monastery a more practical way to use their bodies than simple battling, using his collars to help sway them in the right direction.

   More tags will be added with each chapter. Smut right from the 1st chapter.

   Language:

   English

   Words:

   10,269

   Chapters:

   3/?

   Comments:

   2

   Kudos:

   43

   Bookmarks:

   18

   Hits:

   7,496