Romelia War Chronicle: The Count's Daughter Rallies an Army in the Wake of Mankind's Victory is a Japanese light novel series written by Ryō Ariyama and illustrated by Kodama and Ryō Kamito. 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 six volumes and a side story volume from June 2020 to November 2025 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 five tankōbon volumes by Mag Garden. An anime television series adaptation produced by Atra is set to premiere in October 2026.