Ryota Hori is a Japanese creator known as the original author of the light novel and manga series Record of Wortenia War. Hori began writing the story as a web novel, serializing it online in October 2009 on the user-generated platform Shōsetsuka ni Narō. The series was later acquired for print publication, and the first light novel volume was released in September 2015 by Hobby Japan under their HJ Novels imprint, with illustrations provided by the artist bob.

As the original creator, Hori is credited for the overarching story and world-building of Record of Wortenia War, which falls within the isekai and fantasy genres. The narrative follows Ryoma Mikoshiba, a high school student skilled in martial arts who is summoned to a war-torn parallel world. The plot centers on his subsequent struggle for survival, his escape from the empire that summoned him, and his rise as a powerful figure in this new realm. Hori's original work has been adapted into multiple formats. In addition to the ongoing light novel series, which has seen regular volume releases for several years, a manga adaptation illustrated by Yukari Yagi began serialization in Hobby Japan's Comic Fire online magazine in 2016.

Hori's role is consistently defined as the original creator or author of the property, with his name appearing on all light novel volumes and as the credited creator for the manga adaptation. The series has been licensed for English publication in North America by J-Novel Club, indicating a significant commercial presence in the international market. Hori's work on Record of Wortenia War is characterized by themes common to the isekai genre, including strategic warfare, political maneuvering, and the application of modern martial prowess in a fantasy setting. The creator's significance in the industry is demonstrated by the longevity of the series, which has produced a substantial number of light novel volumes and a concurrent manga adaptation running for multiple years.