Suzu Miyama is the original creator of the light novel and manga series Beast Tamer. The author began publishing the story as a web novel on the user-generated novel website Shōsetsuka ni Narō on June 11, 2018. The series was later acquired for print publication by Kodansha, who released the first volume of the light novel on May 2, 2019, under their Kodansha Ranobe Books imprint. The light novel features illustrations by Hotosoka, with later volumes illustrated by Nozomi. As of September 2024, nine volumes of the light novel have been released.

A manga adaptation of Beast Tamer, illustrated by Moto Shigemura, began serialization in Square Enix's Manga Up! website on January 30, 2019. The manga is published under the Gangan Comics Up! label, and as of September 2024, nine tankōbon volumes have been released. An anime television series adaptation produced by studio EMT Squared aired from October to December 2022, directed by Atsushi Nigorikawa with series composition by Takashi Aoshima. The anime adaptation brought the story to a wider audience and was streamed internationally by Crunchyroll.

The story of Beast Tamer follows Rein, a beast tamer who is expelled from the hero's party for being perceived as weak. He subsequently forms a contract with Kanade, a girl from the powerful cat tribe, which unlocks new abilities and allows him to become much stronger. The narrative explores themes of redemption, found family, and the acquisition of power through bonds with others, centering on an ostracized protagonist who proves his worth after leaving his original party. This premise places Beast Tamer within popular contemporary Japanese fantasy genres, including the "expelled from the hero's party" narrative framework. Suzu Miyama is recognized as the authorial voice behind this successful multimedia franchise, which has expanded from its origins as a web novel to encompass light novel, manga, and anime adaptations, demonstrating the creator's significance in the modern Japanese publishing and animation industry.