Clevatess

Clevatess: Majū no Ō to Akago to Shikabane no Yūsha (クレバテス−魔獣の王と赤子と屍の勇者−, Kurebatesu: Majū no Ō to Akago to Shikabane no Yūsha; "Clevatess: The King of Magical Beasts, the Baby, and the Corpse Hero") is a Japanese manga series written and illustrated by Yūji Iwahara. It began serialization on Line Digital Frontier's Line Manga service in August 2020 and is also serialized on Media Factory's Comic Alive+ website since April 2024. An anime television series adaptation produced by Lay-duce premiered in July 2025.

Clevatess: Majū no Ō to Akago to Shikabane no Yūsha
First tankōbon volume cover, featuring (from left to right) Clevatess as Clen, Luna, and Alicia
クレバテス−魔獣の王と赤子と屍の勇者− (Kurebatesu: Majū no Ō to Akago to Shikabane no Yūsha)
Genre	Dark fantasy[1]
Manga
Written by	Yūji Iwahara
Published by	Line Digital Frontier Media Factory
Magazine	Line Manga Comic Alive+ (April 24, 2024–present)
Original run	August 12, 2020 – present
Volumes	10
Anime television series
Directed by	Kiyotaka Taguchi
Written by	Keigo Koyanagi
Music by	Nobuaki Nobusawa
Studio	Lay-duce
Licensed by	Crunchyroll SEA: Medialink
Original network	AT-X, Tokyo MX, SUN, KBS Kyoto, BS NTV, TUF, NBS, UTY, itv, IBC, Miyatere, MRO, TV Shizuoka, TSS, AAB, HTB, NKT, NIB, Mētele, BSN, RBC, RAB, Tulip TV, Fukui TV, TUY, KKB
Original run	July 2, 2025 – present
Episodes	5

Premise

After killing a group of heroes and destroying an entire kingdom as revenge for attacking his lands, the demon king Clevatess takes in a baby belonging to the kingdom's royal family. He then resurrects one of the heroes, Alicia, whom he enslaves so she can help him take care of the baby while hoping to examine humanity more closely.

Characters

Alicia (アリシア, Arishia)

Voiced by: Haruka Shiraishi^[2] (Japanese); Katie Wetch, Nia Celeste (young)^[3] (English)

One of the thirteen heroes who is killed by Clevatess, but later revived to accompany him on a journey with Luna. She is technically an undead who is bound to Clevatess by his dark magic, preventing her from disobeying him or being killed.

Clevatess (クレバテス, Kurebatesu) / Clen (クレン, Kuren)

Voiced by: Yuichi Nakamura, Mutsumi Tamura (Clen)^[2] (Japanese); Sean Letourneau, Morgan Berry (Clen)^[3] (English)

A Demon King who rules the dark lands. He has grown interested in humanity after the heroes' failed attack. When adventuring, he disguises himself as "Clen", taking the appearance of a young boy who died while protecting Luna, though he is weaker in this form. He is not all that ruthless as he has no interest in conquest, but will attack anyone who threatens him and his lands. He is currently the caretaker of Luna and master of Alicia, whom he had enslaved.

Luna (ルナ, Runa)

Voiced by: Saya Aizawa^[4] (Japanese); Lara Woodhull^[3] (English)

A baby from the Haiden family, whom Clevatess, Alicia, and Nelluru take care of. Luna has a good influence on Clen as the baby’s presence is what keeps him from threatening humanity.

The King of Haiden (ハイデン王, Haiden Ō)

Voiced by: Jun Hashizume^[5] (Japanese); Garrett Schenck^[3] (English)

The unnamed ruler of Haiden, who is killed by Clevatess for launching an attack on his lands.

Stefan (ステファン, Sutefan)

Voiced by: Mamoru Miyano^[5] (Japanese); Drew Breedlove^[3] (English)

One of the thirteen heroes who is murdered by Clevatess.

Mirlo (ミルロ, Miruro)

Voiced by: Yūki Ono^[5] (Japanese); Eric Wheeldon^[3] (English)

One of the thirteen heroes who is murdered by Clevatess.

Holgas (ホルガス, Horugasu)

Voiced by: Kenta Miyake^[5] (Japanese); Jim Foronda^[3] (English)

One of the thirteen heroes who is murdered by Clevatess.

Katz (カッツ, Kattsu)

Voiced by: Yuma Uchida^[5] (Japanese); Chase Kloza^[3] (English)

One of the thirteen heroes who is murdered by Clevatess.

Mudo (ムド)

Voiced by: Yōhei Azakami^[5] (Japanese); Kyle Phillips^[3] (English)

One of the thirteen heroes who is murdered by Clevatess.

Minark (ミナーク, Mināku)

Voiced by: Shimba Tsuchiya^[5] (Japanese); Kevin D. Thelwell^[3] (English)

One of the thirteen heroes who is murdered by Clevatess.

Nell (ネルル, Neruru)/Nelluru

Voiced by: Aoi Yūki^[6] (Japanese); Celeste Perez^[7] (English)

A slave of the Crows. Born in a shaft as a slave child, she was protected by her mother when she was young, but her mother disappeared when she was 12 (whether she is alive or dead is unknown, but it is highly likely she is dead). Since then, the bandits have been treating her cruelly as a way to relieve stress, and she has been beaten so much that she can only hear on one side, and her face and teeth are ruined, making it difficult to speak. She has become pregnant three times, but all of them have been stillborn. Because she produces breast milk, she now cares for the babies that have been kidnapped.

Clen invites her to join the party as Luna's nanny, but she initially declines, not believing she can escape the bandit gang. However, this encounter makes her yearn for the outside world, which Broco interprets as a betrayal. She is executed as bait for Betty and left near death, but she exerts all her strength to protect Luna. Luna's fondness for her and her willingness to risk her life to protect her are appreciated, and Alicia's demon blood is temporarily removed (since multiple control is not possible, Alicia reverts to a corpse during this time) and treatment is administered. Her missing body parts are restored by fusing them with the troll's body, and she is revived with a complete healing, including her old wounds. However, due to the effects of the treatment, her bangs have turned the same color as the troll's fur. Clen gives her the name Nelluru as a newborn.

Although she was near death, she was not completely dead, so unlike Alicia, she is not a moving corpse, but the effects of the troll used to repair her body give her superhuman strength. Also, because her entire body was treated, her teeth are now aligned, and unlike before, she can now speak properly, but her previous way of speaking is still difficult to remove and her speech is unstable.^[8]

Broco (ブロコ, Buroko)

Voiced by: Shigeru Chiba^[6]

The ruthless leader of the Crows. He is killed by Alicia.

Carme

A woman who works at the Crows' headquarters.

Dagarn

A member of the Crows. He is killed by the Arvensis and the Ancient One.

Satch

A member of the Crows. He is killed by the Arvensis and the Ancient One.

Fleeto

A member of the Crows. He is blind, but has excellent hearing and smelling. He is killed by Alicia after making them both fall from a high cliff.

Betty

Broco's pet troll. She is killed by Clen.

Jazhak

The original leader of the Crows.

Dorel (ドレル, Doreru)

Voiced by: Hiroki Yasumoto^[6] (Japanese); Mike Smith^[3] (English)

A general who seeks to obtain arcanacites from the remains of Haiden for his kingdom. He is responsible for killing Alicia's father.

Maynard (メイナード, Meinādo)

Voiced by: Chiharu Shigematsu^[6] (Japanese); Kiba Walker^[3] (English)

Drel's second-in-command.

Naie (ナイエ)

Voiced by: Tomoyo Kurosawa^[6]

Rod (ロッド, Roddo)

Voiced by: Tomokazu Seki^[6]

A general who is at war against Boelate.

Miquel

Rod's second-in-command.

Margo (マルゴ, Marugo)

Voiced by: Miou Tanaka^[6] (Japanese); Cris George^[3] (English)

Alicia's father, who was killed by Dorel when his daughter grew up.

Khord

A legendary hero who was killed by Arvensis. His sword, the Regalia, is recovered and used by Alicia.

Arvensis

Dangerous sea monsters who live in a flooded mine.

Ancient One

A more powerful sea monster who lives with the Arvensis.

Favio

A pink-haired dwarf.

Gart

A dark beast who serves Zavthier.

Zavthier

One of the dark lands' demon lords, whom Gart works for.

Vroko

A leader of a group of mercenaries who buys young dark beasts and babies from the Crows.

Media

Manga

Written and illustrated by Yūji Iwahara, Clevatess started on the Line Manga digital platform on August 12, 2020; the first collected tankōbon volume was published on the same day.^[9][10][11] The tenth and latest volume was released digitally on July 2, 2025.^[12] The manga has also been published on Media Factory's Comic Alive+ website since April 24, 2024. A new edition of compiled volumes started with the first and second ones on July 5, 2024, followed by the third volume on August 28, and the fourth volume on September 28.^[2]

No.	Release date	ISBN
1	August 12, 2020 (LDF)[11] July 5, 2024 (MF)[13]	978-4-866-97080-6 978-4-04-811299-4 (NE)
2	February 15, 2021 (LDF)[14] July 5, 2024 (MF)[15]	978-4-866-97146-9 978-4-04-811300-7 (NE)
3	September 15, 2021 (LDF)[16] August 28, 2024 (MF)[17]	978-4-866-97208-4 978-4-04-811347-2 (NE)
4	March 15, 2022 (LDF)[18] September 28, 2024 (MF)[19]	978-4-866-97249-7 978-4-04-811348-9 (NE)
5	October 14, 2022 (LDF)[20] November 28, 2024 (MF)[21]	978-4-866-97279-4 978-4-04-811349-6 (NE)
6	April 14, 2023 (LDF)[22] January 28, 2025 (MF)[23]	978-4-866-97291-6 978-4-04-811350-2 (NE)
7	April 15, 2024 (LDF)[24] March 28, 2025 (MF)[25]	978-4-04-811351-9 (NE)
8	October 15, 2024 (LDF)[26] May 28, 2025 (MF)[27]	978-4-04-811506-3 (NE)
9	April 15, 2025 (LDF)[28] July 28, 2025 (MF)[29]	978-4-04-811569-8 (NE)
10	July 2, 2025 (LDF)[12]	—

Anime

An anime television series adaptation was announced on July 2, 2024. It is produced by Lay-duce and directed by Kiyotaka Taguchi, with Keigo Koyanagi writing series scripts, Souichirou Sako designing the characters, and Nobuaki Nobusawa composing the music.^[2] The series premiered on July 2, 2025, on AT-X and other networks.^[30][6] The opening theme song is "Ruler", performed by Mayu Maeshima,^[5] while the ending theme song is "Destiny", performed by Ellie Goulding.^[6] Crunchyroll is streaming the series.^[31] Medialink licensed the series in Southeast Asia and Oceania for streaming on Ani-One Asia's YouTube channel.^[32]

Episodes

No.	Title [33][34]	Directed by [33]	Written by [33]	Storyboarded by [33]	Original release date [35]
1	"The Lord of Dark Beasts" Transliteration: "Majū no Ō" (Japanese: 魔獣の王)	Takurō Tsukada & Makoto Sokuza	Keigo Koyanagi	Takurō Tsukada & Makoto Sokuza	July 2, 2025 (2025-07-02)
A young Alicia learned of the history of the dark lands from her father Margo and inspired to be an adventurer. When Alicia grew into a young adult, Margo was killed in an attack. In the present, Alicia is now a member of a group of thirteen heroes sent by the kingdom's royal family of Haiden to slay the demon king Clevatess, which is unsuccessful as he is too powerful. As a result, all the heroes are killed. In retaliation, Clevatess invades and destroys Haiden, killing its king. Before leaving the palace, he reluctantly accepts a dying boy's final request to take care of a baby. He soon revives Alicia with an immortality curse that forces her to serve him and requests that she breastfeeds the baby, which she is unable to do since she is a virgin. They ultimately decide to hire a wet nurse and take some arcanacites as payment. Clevatess soon takes a human form under the alias Clen and names the baby Luna. While taking care of Luna, Alicia discovers that Luna is of royal blood. They are then captured by bandits. Meanwhile, a dwarf named Favio discovers that the king of Haiden foolishly attacked the dark lands while another kingdom attempts to get its hands on the arcanacites in Haiden, sending generals Dorel and Maynard to do the job.
2	"The Beast Lord in Captivity" Transliteration: "Torawareta Majū Ō" (Japanese: 囚われた魔獣王)	Hitomi Ezoe	Keigo Koyanagi	Charlie Shinohara	July 9, 2025 (2025-07-09)
Clen reveals that he is weaker in human form and intends to stay this way until Luna becomes king. In turn, Alicia reveals that they are captured by a group of slave traders called the Crows. Arriving at their hideout, Alicia is brought to see the boss while Clen is made to work in the kitchen where he meets Nell, a slave girl, and the kitchen's owner, Carme. Upon meeting Broco, the leader, and his pet troll Betty, he demands that Alicia takes them to where her allies' weapons are, but she refuses. Meanwhile, Nell breastfeeds Luna before she is punished by a couple of the members of the Crows. Once Clen kills them, he requests her background. After she explains it, Clen attempts to hire her as Luna's wet nurse, but she declines. Elsewhere, Alicia is brought to a flooded mine swarming with Arvensis where she learns the Crows are after a sword belonging to the hero Khord called the Regalia, which is located at the bottom. When a blind bandit named Fleeto threatens to rape Alicia, she causes them to fall from a great height in hopes that Clen's curse will ensure that she survives.
3	"Hero's Duty" Transliteration: "Yūsha no Shigoto" (Japanese: 勇者の仕事)	Shinsuke Terasawa	Keigo Koyanagi	Shinsuke Terasawa	July 16, 2025 (2025-07-16)
Believing Alicia to be dead, the other bandits decide to go down to investigate. Alicia's theory is right as she has indeed survived and Clen contacts her, who tells her about Nell. Alicia suggests killing all the bandits, but Clen explains that she has to be the one to kill them before healing her. The bandits are shocked to see that she survived and prepare to attack her, but she manages to hold her own against them while recalling her father's training. She then lures out the Arvensis by knocking some of the bandits into the mine before diving into it to get the Regalia. Elsewhere, Nell returns to work in the kitchen and questions Carme about her origins, but she refuses to say. Broco, having been overhearing their conversation, learns of Luna's presence and takes Nell away. Inside a dark tunnel, he feeds her to Betty in retaliation for her betrayal. Clen then shows up and when Broco orders Betty to attack, she instead reacts in fear and barfs Nell out as Clen moves her and Luna away. Broco uses mind-controlling magic to make Betty attack Clen.
4	"Magical Talent" Transliteration: "Majutsu no Tekisei" (Japanese: 魔術の適正)	Ryōta Ono	Keigo Koyanagi	Noriaki Saitō	July 23, 2025 (2025-07-23)
Despite her immortality, Alicia suffocates as she reaches the bottom. While she finds the Regalia, she is attacked by another monster called the Ancient One. When Alicia returns to the surface, she refuses to help the bandits and leaves them to be killed. Meanwhile, Clen manages to defeat Betty, but is unhappy that Alicia did not tell him about the mind-controlling magic. When Broco attempts to flee with Luna, a still alive Nell grabs him. Alicia cannot clear away the magic smoke as she has no magical abilities. Seeing that Luna is what is pacifying Clen, Alicia decides to help find Luna. When she does, Broco threatens to injure Luna. Alicia throws the Regalia into a wall as a way to get Broco to relinquish Luna, but he is unswayed as he still desires the weapons that the thirteen heroes used and considers Luna more valuable. Broco tries to escape using invisibility magic, but fails and is killed by Alicia as she can still hear him and Luna. Clen is unable to heal Nell as his magic can only ensure the survival of one person, so Alicia willingly sacrifices herself. As a result, both Alicia and Nell, now referred to as Nelluru, are miraculously revived, with Nelluru now fully healed.
5	"Boelate's March" Transliteration: "Bōrēto no Shingun" (Japanese: ボーレートの進軍)	Makoto Sokuza	Keigo Koyanagi	Makoto Sokuza	July 30, 2025 (2025-07-30)
Clen stores away the Regalia to avoid attracting unwanted attention, but promises to give it back if Alicia needs it. Nelluru is shown to be quite strong as she can carry heavy loads and Luna. Alicia is allowed to obtain the weapons and armor that she needs. A man named Gart ambushes them. Clen stops the fight and learns that Gart is after Broco, believing that Clen is his target. Once Clen clears up the misunderstanding and that Broco is already dead, he reveals that Gart is a dark beast in human form and works for another demon king named Zavthier, while introducing himself as a servant of Clevatess. Alicia is shocked to learn that there's more than one dark beast, but Clen explains that not all dark beasts can speak and take human forms. Grat reveals that Zavthier considers killing humans due to the Crows stealing young beasts from the dark lands and selling them to a group of mercenaries led by Vroko; Clen has been told of this by Carme. Alicia tells them about wizards and Dorel, who was responsible for killing her father. Meanwhile, a general named Rod learns from his second-in-command Miquel about their progress in their battle against Dorel's army. Dorel learns of Luna's existence and sends Maynard to retrieve him.
6	"Insect Controlling Wizard" Transliteration: "Mushi o Ayatsuru Madō-shi" (Japanese: 虫を操る魔導士)	Hitomi Ezoe	Kazuki Nishitani	Yasuhiro Irie	August 6, 2025 (2025-08-06)