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1. A Familiar Sound by EtherealDew

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

   • Not Rated
   • No Archive Warnings Apply
   • M/M
   • Work in Progress

   10 Sep 2026

   Tags

   • No Archive Warnings Apply
   • Bakugou Katsuki/Midoriya Izuku
   • Class 1-A & Midoriya Izuku
   • Bakugou Katsuki & Class 1-A
   • Sero Hanta/Todoroki Shouto
   • Bakugou Katsuki & Kirishima Eijirou
   • Midoriya Izuku & Todoroki Shouto
   • Bakugou Katsuki
   • Midoriya Izuku
   • Kirishima Eijirou
   • Kaminari Denki
   • Sero Hanta
   • Ashido Mina
   • Iida Tenya
   • Uraraka Ochako
   • Todoroki Shouto
   • Aizawa Shouta | Eraserhead
   • Class 1-A (My Hero Academia)
   • Yagi Toshinori | All Might
   • Tokoyami Fumikage
   • Ojiro Mashirao
   • Aoyama Yuuga
   • Secret language
   • Childhood Friends
   • Post-War
   • Midoriya Izuku Has One for All Quirk
   • Bakugou Katsuki Swears A Lot
   • Soft Bakugou Katsuki
   • Bakugou Katsuki is a Good Friend
   • Class 1-A Shenanigans (My Hero Academia)
   • Class 1-A is confused
   • Bakusquad Being Idiots (My Hero Academia)
   • Shinsou Hitoshi is in Class 1-A
   • Friends to Lovers
   • idk what to tag
   • Bakugo Katsuki & Midoria Izuku are a good team
   • I will add tags as I add more
   • Slow Burn
   • Nonverbal Communication
   • Oblivious Bakugou Katsuki
   • Oblivious Midoriya Izuku
   • Supportive Class 1-A (My Hero Academia)
   • Supportive Bakusquad (My Hero Academia)

   Summary

   The war is over, the city is healing and Class 1-A is finally learning how to be teenagers again. But while most things are slowly returning to normal, Izuku can’t help but notice that something about Kacchan has changed.
   Their arguments are still there. The insults are still there. But underneath it all is something Izuku has never experienced something almost… gentle.
   Then, during an ordinary night of studying, Izuku hears a sound he hasn’t heard in years.
   A hum.
   A signal from a secret language two childhood friends created long before quirks, heroes and everything that came between them.

   Language:

   English

   Words:

   14,560

   Chapters:

   4/?

   Comments:

   27

   Kudos:

   140

   Bookmarks:

   28

   Hits:

   1,105