The manga launched in 2018, with the final volume released on June 7
Kodoani.com – Amazon is posting the 11th volume of the series I’m the Only Monster Tamer in the World and Was Mistaken for the Demon Lord (Sekai de Tadahitori no Mamono Tsukai: Tenshoku Shitara Maō ni Machigawa Remashita) by Norio Doujima, adapted from the manga by Senri Kakei and the light novel series of the same name by author hu-ko, is the final volume. The new episode will be released on June 7.
Doujima launched the manga adaptation on the Manga UP! by Square Enix in October 2018. Square Enix published the manga's first volume in April 2019 and the 10th volume on October 6.
Manga plot:
“After a long journey, Noa found the 'Class Transfer Book'. He did all he could to give up his annoying role as 'Hero' and gain a new class… 'Monster Tamer'.”
Kakei and hu-ko launched the light novel series with the first volume in May 2018. Kadokawa published the fourth volume of the novel series in November 2019.