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Daemons of the Shadow Realm

Daemons of the Shadow Realm is a Japanese manga series written and illustrated by Hiromu Arakawa.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 27, 2026|2 min read| Fact-checked

Daemons of the Shadow Realm is a Japanese manga series written and illustrated by Hiromu Arakawa. It has been serialised in Square Enix's Monthly Shonen Gangan since December 2021 and follows the story of twins Yuru and Asa in a world where humans can command supernatural entities called Daemons. The series is published in English by Square Enix Manga & Books.

Publication

Daemons of the Shadow Realm is serialised in Square Enix's Monthly Shonen Gangan and began publication on 10 December 2021. Square Enix also publishes collected tankōbon volumes, with the first volume released in June 2022.

Premise

The series centres on twins Yuru and Asa, whose lives are shaped by a world in which certain humans can control paired supernatural beings known as Daemons. The plot involves hidden family truths, village secrets, and a struggle to reunite the twins.

English publication

Square Enix publishes the series in English through its manga programme. English-language releases began in April 2023.

Reception and adaptation

The series has attracted attention for its fantasy world-building and connection to Hiromu Arakawa, the creator of Fullmetal Alchemist. An anime adaptation premiered in 2025.

Key facts

  • Written and illustrated by Hiromu Arakawa.
  • Serialised in Monthly Shonen Gangan since December 2021.
  • Follows twins Yuru and Asa in a world of supernatural Daemons.
  • English release by Square Enix Manga & Books since April 2023.
  • Anime adaptation premiered in 2025.
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Canadian context

Canadian readers may know the series through its English-language release by Square Enix Manga & Books, which makes it accessible in Canada through English-language manga distribution.[3][6]

Frequently asked questions

Who created Daemons of the Shadow Realm?
It was created by Hiromu Arakawa, who wrote and illustrated the manga.
What is the Japanese title?
The Japanese title is 黄泉のツガイ, romanised as Yomi no Tsugai.
When did it begin serialisation?
It began serialisation on 10 December 2021 in Monthly Shonen Gangan.
What genre is it?
It is generally classified as action, adventure, fantasy, and supernatural, with a shōnen demographic.
Who publishes it in English?
Square Enix publishes the English edition through its manga imprint/programme.
What is it about?
It follows twins Yuru and Asa in a world where certain people can command supernatural pairs called Daemons.

References

  1. Danish Wikipedia — https://da.wikipedia.org/wiki/Daemons_of_the_Shadow_Realm
    Supports: Japanese title, author, publisher, serialization start, collected volume information, and anime adaptation note.
  2. MyAnimeList — https://myanimelist.net/manga/141772/Yomi_no_Tsugai
    Supports: Alternative titles, publication status, genres, demographic, serialization, and English publication details.
  3. Square Enix Manga & Books — https://www.squareenixmangaandbooks.square-enix-games.com/product/9781646091867
    Supports: Author, premise, English publication, release date, genre, and age rating.
  4. Anime News Network — https://www.animenewsnetwork.com/encyclopedia/manga.php?id=25181
    Supports: Plot summary and genre/context for the manga.