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1. Up in Arms by string_of_hearts

   Fandoms: Shingeki no Kyojin | Attack on Titan, Attack on Titan  

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

   18 Jul 2025

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Reiner Braun/Bertolt Hoover
   • Reiner Braun
   • Bertolt Hoover
   • Reibert - Freeform
   • Smut
   • Shameless Smut
   • Post-Canon Fix-It
   • Post-Time Skip
   • Fluff and Smut
   • Hand Jobs
   • Sex Games
   • Sex Talk
   • Frottage
   • Sexual Frustration
   • Established Relationship
   • Bertolt Hoover Lives
   • POV Bertolt Hoover
   • Plot What Plot/Porn Without Plot
   • Porn
   • Power Play
   • Shingeki no Kyojin | Attack on Titan References
   • Marley (Shingeki no Kyojin)
   • Post-Rumbling (Shingeki no Kyojin)
   • Reiner - Freeform
   • Podfic Welcome

   Summary

   Reiner is a smug ass. Bertolt is annoyed beyond sanity. Two absolute idiots engaging in an epic, horny battle of strength and will.

   Series

   • Part 8 of Crybaby | Bertolt’s World
   • Part 5 of Reibert Smut Sanctuary

   Language:

   English

   Words:

   3,131

   Chapters:

   1/1

   Comments:

   7

   Kudos:

   65

   Bookmarks:

   6

   Hits:

   1,182