is a Japanese

light novel A is a type of Genre fiction, popular literature novel from Japan usually classified as young adult fiction, generally targeting Adolescence, teens to Young adult, twenties or older. The definition is very vague, and wide-ranging. The abbr ...

series written by Tsukasa Tanimai and illustrated by Kouichiro Kawano. It began serialization on the user-generated novel publishing website

Shōsetsuka ni Narō is a Japanese novel self-publishing website created by . It was launched on April 2, 2004. Users can upload their novels free of charge and the novels are also free to read. As of December 2022, the site hosts close to 1,000,000 novels, has over ...

in August 2017. It was later acquired by Shufu to Seikatsu Sha who began publishing it under their PASH! Books light novel imprint in March 2018. A

manga are comics or graphic novels originating from Japan. Most manga conform to a style developed in Japan in the late 19th century, and the form has a long history in earlier Japanese art. The term is used in Japan to refer to both comics ...

adaptation illustrated by Shunsuke Aoyama began serialization on Shufu to Seikatsu Sha's ''Comic PASH!'' website in March 2018. An

anime is a Traditional animation, hand-drawn and computer animation, computer-generated animation originating from Japan. Outside Japan and in English, ''anime'' refers specifically to animation produced in Japan. However, , in Japan and in Ja ...

television series adaptation produced by

Asahi Production is a Japanese animation studio established on 1 June 1973. It is located in Nerima, Tokyo. History Asahi Production was founded in 1973, initially establishing itself as a specialized shooting studio and PR movie company. At its inception, ...

aired from April to June 2025.

Plot

In an era of relentless warfare, brutal battles rage between humans and demi-human tribes, such as the Ash Monkeys (Macaques) and the pig-like Ogres, who invade human lands. Kai, a boy from the village of Rag, spends his days fighting to protect his home. Amid the brutal conflict, those known as “guardian bearers” who wield immense power, enforcing the chaos. As Kai’s comrades fall one by one, he suddenly has memories he should not possess—visions of a world with advanced technology and knowledge of life beyond this one. Though once just a simple villager, Kai is soon thrust into extraordinary trials. A grand fantasy tale unfolds, chronicling the struggle and growth of a single boy in a ruthless world.

Characters

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Media

Light novel

Written by Tsukasa Tanimai, ''Teogonia'' began serialization on the user-generated novel publishing website

on August 7, 2017. It was later acquired by Shufu to Seikatsu Sha who began publishing it with illustrations by Kouichiro Kawano under their PASH! Books imprint on March 30, 2018. Three volumes have been released as of June 2019. During their

Anime NYC Anime NYC is an annual four-day anime convention held during August at the Jacob K. Javits Convention Center in New York City. Programming The convention typically offers arcade games, an artist alley, concerts, manga library (Carolina Manga Li ...

2019 panel,

J-Novel Club J-Novel Club is a publishing company specializing in the translation of Japanese light novels into English. It streams light novels and manga in regular installments before publishing finalized e-books. As of August 2021, J-Novel Club has licens ...

announced that they licensed the light novels for English publication.

Manga

adaptation illustrated by Shunsuke Aoyama began serialization on Shufu to Seikatsu Sha's ''Comic PASH!'' website on March 30, 2018. The manga's chapters have been collected into thirteen volumes as of April 2025. Starting in April 2025 to coincide with the release of the Anime, it is being released in English translation both as chapters and volumes with seven volumes available in English as of June 2025.

Anime

television series adaptation was announced on April 5, 2024. It is produced by

and directed by Kunihiro Mori, with scripts written by Tomoyasu Okubo, characters designed by Kouichiro Kawano, and music composed by Kenji Fujisawa. The series aired from April 12 to June 28, 2025, on

Tokyo MX JOMX-DTV (channel 9), branded as Tokyo MX (officially stylized as TOKYO MX), is an independent station, independent television station in Tokyo, Japan, owned by the . It is the only television station that exclusively serves the city and parts ...

and other networks. The opening theme song is , performed by Aimi Noda, while the ending theme song is performed by STU48.

Crunchyroll Crunchyroll is an American Video on demand#Subscription models, subscription video on-demand Over-the-top media service, over-the-top Streaming media, streaming service owned by Sony, Sony Group Corporation. The service primarily distributes fi ...

streamed the series.

Episodes

Notes

References

External links

* at

* * * * {{Asahi Production 2018 Japanese novels 2025 anime television series debuts Adventure anime and manga Anime and manga based on light novels Asahi Production Crunchyroll anime Dark fantasy anime and manga Isekai anime and manga Isekai novels and light novels J-Novel Club books Japanese adventure novels Japanese webcomics Light novels Light novels first published online Seinen manga Shōsetsuka ni Narō Webcomics in print