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1. THE CLEANEST SIN by Svetakatarina

   Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)  

   • Explicit
   • No Archive Warnings Apply
   • F/M, M/M
   • Work in Progress

   02 Mar 2026

   Tags

   • No Archive Warnings Apply
   • Bakugou Katsuki/Tsukauchi Naomasa
   • Bakugou Katsuki/Midoriya Izuku
   • Midoriya Izuku/Uraraka Ochako
   • Bakugou Katsuki
   • Midoriya Izuku
   • Tsukauchi Naomasa
   • Uraraka Ochako
   • Alternate Universe - Corporate
   • Slow Burn
   • Angst
   • Secret Relationship
   • Open Relationships
   • Age Difference
   • Mutual Pining
   • Pining Bakugou Katsuki
   • Jealous Bakugou Katsuki
   • Jealous Midoriya Izuku
   • Possessive Midoriya Izuku
   • Midoriya Izuku in Denial
   • Miscommunication
   • Dom/sub Undertones
   • Crying During Sex
   • Anal Fingering
   • Anal Sex
   • Top Tsukauchi Naomasa
   • Bottom Bakugou Katsuki
   • Topping from the Bottom

   Summary

   He has loved Izuku since before he had a name for it. Best friends, coworkers, rivals. Always too close to be normal, and too stubborn to admit why.

   For Katsuki, a lifetime of wanting gets managed down to something controllable: a career, a structured arrangement with an older colleague, a careful life where no one gets all of him and nothing can collapse.

   Then Izuku gets engaged. And the architecture Katsuki built to survive his own feelings starts to show the cracks.

   A story about the cost of loving someone for so long it stops being a feeling and becomes a framework. About what it takes to learn that being yourself was always enough.

   Language:

   English

   Words:

   15,134

   Chapters:

   11/?

   Comments:

   20

   Kudos:

   42

   Bookmarks:

   10

   Hits:

   940