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1. Public Bookmark 18

   The Realm’s Greatest Threat by Anonymous

   Fandoms: One Piece (Anime & Manga), A Song of Ice and Fire & Related Fandoms, House of the Dragon (TV)  

   • Not Rated
   • No Archive Warnings Apply
   • No category
   • Complete Work

   14 May 2026

   Tags

   • No Archive Warnings Apply
   • Aegon III Targaryen & Monkey D. Luffy
   • Aegon III Targaryen
   • Monkey D. Luffy
   • Rhaenyra Targaryen
   • Lucerys Velaryon (Son of Rhaenyra)
   • Jacaerys Velaryon
   • Daemon Targaryen
   • Joffrey Velaryon
   • Viserys II Targaryen
   • Aegon II Targaryen
   • Aemond "One-Eye" Targaryen
   • Helaena Targaryen
   • Visenya Targaryen (Daughter of Rhaenyra)
   • Reincarnation
   • Alternate Universe - Canon Divergence
   • Comedy
   • dramatic-from-a-child’s-perspective
   • Family Fluff
   • Sibling Bonding
   • Monkey D. Luffy Being Monkey D. Luffy
   • Crack Treated Seriously
   • Queen Rhaenyra Targaryen
   • Rhaenyra Targaryen Is Tired
   • No One Can Stop Luffy
   • One Shot
   • Luffy is Luke’s twin brother

   Summary

   Little Prince Aegon decided, with all the dignity of House Targaryen behind him, that his older brother Luffy remained the greatest menace in the Seven Kingdoms.

   Unfortunately, he was also somewhat nice sometimes.

   Which made hating him much harder than it ought to be.

   Or: Aegon genuinely believes Luffy is a menace specifically sent to steal his food. Everyone else thinks this is adorable. Luffy does not even realize he’s doing crimes.

   Series

   • Part 4 of A Song of Ice, Fire and Pirates

   Language:

   English

   Words:

   4,901

   Chapters:

   1/1

   Collections:

   1

   Comments:

   8

   Kudos:

   100

   Bookmarks:

   18

   Hits:

   1,010

   Bookmarked by Tsl108

   14 May 2026