Following the highly anticipated April 2026 premiere of Daemons of the Shadow Realm (Yomi no Tsugai), fans are finally seeing Hiromu Arakawa’s latest masterpiece jump from the pages of Monthly Shonen Gangan to the screen.
From the legendary creator of "Fullmetal Alchemist" and "Silver Spoon," this modern supernatural fantasy centers on estranged twins Yuru and Asa—the "twins who divide night and day"—as they are thrust into a hidden war involving "Daemons," mysterious paired entities bound to human masters.
Now that the series is in full swing, we’ll break down the key players in this supernatural drama, including the main protagonist Yuru, his mysterious sister Asa, and the talented voice cast bringing them to life.
*Note: This article contains minor spoilers for the beginning of the series.
Daemons of the Shadow Realm: Key Characters & Voice Cast
Yuru
A 16-year-old boy living in the secluded and traditional Higashi Village. He is a kind-hearted soul who deeply cares for his twin sister, Asa, who supposedly spends her days performing "duties" inside a prison-like cell within the village. Yuru is a phenomenal hunter, possessing a sharp instinct that becomes even more deadly in the dark.
Voice Actor: Kensho Ono

Yuru is voiced by Kensho Ono. Born on October 5, 1989, in Fukuoka Prefecture, he is best known for his iconic roles as Tetsuya Kuroko in "Kuroko's Basketball" and Riku Nanase in "IDOLiSH7."
Asa
in sister. She has lived away from the village, hidden under the protection of the Kagemori family. While she possesses a kind and serious demeanor, she harbors an intense, borderline obsessive devotion to her brother, Yuru.
Voice Actor: Yume Miyamoto

Asa is voiced by Yume Miyamoto. Born on January 22, 1997, in Fukuoka Prefecture, her notable roles include Rikka Takarada in "SSSS.GRIDMAN" and Nika Nanaura in "Mobile Suit Gundam: The Witch from Mercury."
Dera
A mysterious man who frequently visits Higashi Village from the "outside world" (the modern world below the mountain). His real name is Ryu Tadera. Though he can come off as a bit of a slob, he is a dependable, "big brother" figure to those he trusts.
Voice Actor: Yuichi Nakamura

Dera is voiced by Yuichi Nakamura. Born on February 20 in Kagawa Prefecture, he is a powerhouse in the industry, famous for voicing Satoru Gojo in "Jujutsu Kaisen" and Karamatsu Matsuno in "Mr. Osomatsu."
Gabby
A young girl living with the Kagemori family. She has a bloodthirsty, tomboyish personality and is fiercely protective of Asa, who also resides at the Kagemori estate.
Voice Actor: Misaki Kuno

Gabby is voiced by Misaki Kuno. Born on January 19 in Tokyo, she is known for her unique vocal range in roles such as Hawk in "The Seven Deadly Sins" and Faputa in "Made in Abyss: The Golden City of the Scorching Sun."
Right
One of the Daemons that belong to Yuru. He has a bold and daring personality. For over 400 years, he sat as a stone statue at the entrance of Higashi Village, revered by the villagers as a guardian deity. Yuru affectionately refers to him as "Right"
Voice Actor: Rikiya Koyama

Right is voiced by Rikiya Koyama. Born on December 18 in Kyoto, he is a legendary voice actor known for dubbing Jack Bauer in "24" and voicing Kogoro Mouri (2nd generation) in "Detective Conan."
Left
Yuru’s other Daemon. While she remains calm and expressionless, she is actually more hot-headed and prone to violence than Right. Like her partner, she served as a guardian deity at the village entrance for four centuries. Yuru calls her "Left"
Voice Actor: Takako Honda

Left is voiced by Takako Honda. Born on August 14 in Tokyo, she is recognized for her roles as Toko Aozaki in "The Garden of Sinners" and Jinta Hanakari in "BLEACH."
Hana
A member of the clan that supports Dera’s logistics and provides backup for Higashi Village from the modern world. Her real name is Hana Danno.
Voice Actor: Miyuri Shimabukuro

Hana is voiced by Miyuri Shimabukuro. Born on December 6 in Okinawa Prefecture, she has starred as Yunna Yunohana in "Yuuna and the Haunted Hot Springs" and Otoha Kurogane in "Rock Is a Lady's Modesty."
Jin
The third son of the Kagemori family. He is primarily responsible for the family’s "dirty work" and underground operations.
Voice Actor: Junichi Suwabe

Jin is voiced by Junichi Suwabe. Born on March 29 in Tokyo, his prolific career includes voicing Keigo Atobe in "The Prince of Tennis" and the fearsome Ryomen Sukuna in "Jujutsu Kaisen."
Gabriel
The Daemons contracted to Gabby. Their full names are "Joe William Frederick Gabriel I" and "Kirk Douglas Woodgrave Gabriel II."
Voice Actor: Ayumu Murase

Gabriel is voiced by Ayumu Murase. Born on December 14 in the United States, he is famous for his incredible range in roles like Shoyo Hinata in "Haikyu!!" and Iruma Suzuki in "Welcome to Demon School! Iruma-kun." Murase also provides the voices for several other Daemon in this series.
About "Daemons of the Shadow Realm"
Synopsis
The dream team of Square Enix x Aniplex x BONES reunites!
The supernatural fantasy epic by Hiromu Arakawa ("Fullmetal Alchemist") finally receives its long-awaited anime adaptation!
With over 4 million copies in circulation and currently a hit serialization in Monthly Shonen Gangan, this latest work from Hiromu Arakawa—whose previous masterwork "Fullmetal Alchemist" continues to receive overwhelming support both in Japan and abroad—is coming to the screen.
Experience a new kind of "Daemon" battle where mystery and the supernatural collide.
This breathless, otherworldly fantasy is officially in motion.
Cast
Yuru: Kensho Ono
Asa: Yume Miyamoto
Dera: Yuichi Nakamura
Gabby: Misaki Kuno
Right: Rikiya Koyama
Left: Takako Honda
Hana: Miyuri Shimabukuro
Jin: Junichi Suwabe
Daemon: Ayumu Murase
©Hiromu Arakawa/SQUARE ENIX, Project TSUGAI
©Hiromu Arakawa/SQUARE ENIX
© Animate Times
*Some parts of this text have been translated using machine translation