Fics like The Soldier: A Young Girl's Record of an Alien Invasion

My name is Tanya. No last name. You can't know where I live. You are in danger. We all are. When the only thing standing between humanity and the destruction of all we know is a group of children, barely teenagers or preteens, the world is in trouble. You need to know what's going on. Trust no one. I really just wanted a quiet life.

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1. Tanya's Defiance of the Fall by Failninjaninja (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)
2. Tanya Degurechaff and the Philosopher Stone by Half_Baked_Cat (幼女戦記 | Youjo Senki | Saga of Tanya the Evil - Carlo Zen (Light Novels), Harry Potter - J. K. Rowling, more)
3. A Rus's Imperial Record of Love by Sentho3 (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 (Anime), more)
4. 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)
5. A Communist Cyborg's War Against Managed Democracy 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)
6. What Tomorrow Brings by Loren_Fangor, daphnerunning (Animorphs - Katherine A. Applegate)
7. Tanya Level 99 by Aboyandhisstarship (幼女戦記 | Youjo Senki | Saga of Tanya the Evil (Anime), 悪役令嬢レベル99 | Akuyaku Reijou Level 99 | Villainess Level 99 (Anime), more)
8. 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))
9. 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)
10. A Young Girls Containment by Bobify (SCP Foundation, 幼女戦記 | Youjo Senki | Saga of Tanya the Evil (Anime), more)
11. Shadow of Rebirth by MarkofArtemis (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)
12. A Young Woman’s Wings of War by Failninjaninja (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 (Anime), more)
13. The War Records of the Grand Matriarch by grocamol (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 Young Dryad's Plea for Sensible Leadership by Santafire (World of Warcraft, Warcraft III, more)
15. A Half-Oni's Pirate Shanty by Monk789 (One Piece (Anime & Manga), 幼女戦記 | Youjo Senki | Saga of Tanya the Evil - Carlo Zen (Light Novels), more)
16. That Time I Got Isekai'd Again and Befriended a Slime by TanJaded (転生したらスライムだった件 - 伏瀬 | Tensei Shitara Slime Datta Ken | Regarding Reincarnated to Slime - Fuse, 幼女戦記 | Youjo Senki | Saga of Tanya the Evil (Anime), more)
17. The Lady Of Iron by ThirtyRavensInAManSuit (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)
18. Frieren's little Half Elf Daughter by grocamol (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)
19. The Junior Executive by grocamol (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)
20. Saga of Tan-228 by AZRevenant (Warframe, 幼女戦記 | Youjo Senki | Saga of Tanya the Evil (Anime), more)