| Romelia Senki: Maō o Taoshita Ato mo Jinrui Yabasō Dakara Guntai Soshiki Shita | |
 First light novel volume cover | |
| ロメリア戦記 ～魔王を倒した後も人類やばそうだから軍隊組織した～ (Romeria Senki: Maō o Taoshita Ato mo Jinrui Yabasō Dakara Guntai Soshiki Shita) | |
|---|---|
| Genre | Fantasy, military[1] |
| Novel series | |
| Written by | Ryō Ariyama |
| Published by | Shōsetsuka ni Narō |
| Original run | August 26, 2019 – present |
| Light novel | |
| Written by | Ryō Ariyama |
| Illustrated by | Kodama (volume 1) Ryō Kamito (from volume 2) |
| Published by | Shogakukan |
| Imprint | Gagaga Books |
| Demographic | Male |
| Original run | June 19, 2020 – present |
| Volumes | 5 + 1 side story volume |
| Manga | |
| Written by | Ryō Ariyama |
| Illustrated by | Ryō Kamito |
| Published by | Mag Garden |
| Imprint | Blade Comics |
| Magazine | Manga Doa |
| Demographic | Shōnen |
| Original run | April 23, 2021 – present |
| Volumes | 4 |
| Anime | |
Romelia Senki: Maō o Taoshita Ato mo Jinrui Yabasō Dakara Guntai Soshiki Shita (ロメリア戦記 ～魔王を倒した後も人類やばそうだから軍隊組織した～, Romeria Senki: Maō o Taoshita Ato mo Jinrui Yabasō Dakara Guntai Soshiki Shita, "A History of the Romelia: Even After Defeating the Demon King, Humanity Seemed to Be in Trouble so We Organized an Army") is a Japanese light novel series written by Ryō Ariyama and illustrated by Kodama (first volume) and Ryō Kamito (from second volume). It began serialization online in August 2019 on the user-generated novel publishing website Shōsetsuka ni Narō. It was later acquired by Shogakukan, who have published five volumes and a side story volume since June 2020 under their Gagaga Books imprint. A manga adaptation with art by Kamito has been serialized via the Manga Doa app since April 2021 and has been collected in four tankōbon volumes by Mag Garden. An anime adaptation has been announced.