In the manga adaptation of the popular movie "The Great Yokai War: Guardians," a young boy named Kei discovers that he is the descendant of a legendary monster slayer named Watanabe no Tsuna. The Yokai, or guardian spirits of Japan, appear before him and inform him that he may be the only one capable of stopping the impending destruction caused by gigantic monsters threatening the country.
Youkai Daisensou: Guardians has been published in English as The Great Yokai War: Guardians by Titan Comics under the Titan Manga imprint since December 19, 2023.A live-action movie of the same title was released on August 13, 2021.