Fics like Operation Wildfire

Azula found a book about the adventures of a girl named Nila and, in a sudden epiphany, realized that it would be far better to live on her own terms than to remain Ozai’s puppet. Now, it’s time to form the Wildfire Front and set off on an adventure! This story runs parallel to the fanfiction “The Science of Bending: Chronicles of a Young Bender”.

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1. Amor Enim Vult by BleedingBlade (幼女戦記 | Youjo Senki | Saga of Tanya the Evil (Anime), 幼女戦記 | Youjo Senki | Saga of Tanya the Evil (Manga))
2. A Young Girl's Special Grade Curse by FathOfFath (呪術廻戦 | Jujutsu Kaisen (Manga), 呪術廻戦 | Jujutsu Kaisen (Anime), more)
3. Speak Your Mind by TanJaded (幼女戦記 | Youjo Senki | Saga of Tanya the Evil (Anime), 幼女戦記 | Youjo Senki | Saga of Tanya the Evil (Manga), more)
4. Angel in the Asylum (Youjo Senki x Outlast) by KsiadzRobak21 (幼女戦記 | Youjo Senki | Saga of Tanya the Evil (Anime), 幼女戦記 | Youjo Senki | Saga of Tanya the Evil (Manga), more)
5. Tanya starts from Zero by A_Morte_Perpetua_Machina_Libera_Nos (幼女戦記 | Youjo Senki | Saga of Tanya the Evil (Anime), Re:ゼロから始める異世界生活 | Re:Zero Starting Life in Another World (Anime), more)
6. Mushoku Tensei: Tanya's Reincarnation by Betaorionis24 (無職転生 ～異世界行ったら本気だす～ - 理不尽な孫の手 | Mushoku Tensei: Isekai Ittara Honki Dasu - Rifujin na Magonote, 幼女戦記 | Youjo Senki | Saga of Tanya the Evil (Manga), more)
7. The Science of Bending: Chronicles of a Young Bender by npc011 (Avatar: The Last Airbender: Chronicles of the Avatar Novels - Various - Fandom, 幼女戦記 | Youjo Senki | Saga of Tanya the Evil (Manga), more)
8. The Chronicles of Tanya the Fuehrer by WileyC (幼女戦記 | Youjo Senki | Saga of Tanya the Evil (Manga), 幼女戦記 | Youjo Senki | Saga of Tanya the Evil (Anime), more)
9. School diaries of a young girl by Hugoto06 (幼女戦記 | Youjo Senki | Saga of Tanya the Evil (Anime), SPY x FAMILY (Manga), more)
10. Queening the Pawn by tsdjovs (Avatar: The Last Airbender (Cartoon 2005), Avatar: The Last Airbender: Chronicles of the Avatar Novels - Various - Fandom)
11. All That Is Gold Does Not Glitter by XenoWrites (Halo (Video Games) & Related Fandoms, 幼女戦記 | Youjo Senki | Saga of Tanya the Evil - Carlo Zen (Light Novels), more)
12. Tanya the Evil - Storm of Providence by CranRasberry (幼女戦記 | Youjo Senki | Saga of Tanya the Evil (Anime), 幼女戦記 | Youjo Senki | Saga of Tanya the Evil (Manga), more)
13. A Young Girl's Weaponization of the Mythos by Zahariel_Scholar (幼女戦記 | Youjo Senki | Saga of Tanya the Evil (Anime), 幼女戦記 | Youjo Senki | Saga of Tanya the Evil (Manga), more)
14. A Little Girl's Hero Academy by MarkofArtemis (幼女戦記 | Youjo Senki | Saga of Tanya the Evil - Carlo Zen (Light Novels), 幼女戦記 | Youjo Senki | Saga of Tanya the Evil (Manga), more)
15. Looking Up To Magia Argent by WitchOfSkye (幼女戦記 | Youjo Senki | Saga of Tanya the Evil - Carlo Zen (Light Novels), 魔法少女にあこがれて | Mahou Shoujo ni Akogarete | I admire magical girls and... (Manga), more)
16. A Young Dryad's Plea for Sensible Leadership by Santafire (World of Warcraft, Warcraft III, more)
17. A Young Girl's Criminal Record by TorontoTowers (Parahumans Series - Wildbow, 幼女戦記 | Youjo Senki | Saga of Tanya the Evil - Carlo Zen (Light Novels), more)
18. The Arc Clan by DodgerTalon (RWBY, Fullmetal Alchemist - All Media Types, more)
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20. The queen of shadows by Leudani (Warhammer 40.000, 幼女戦記 | Youjo Senki | Saga of Tanya the Evil (Anime), more)