How Not to Summon a Demon Lord

How Not to Summon a Demon Lord

異世界魔王と召喚少女の奴隷魔術
Continuing First aired 05/Jul/2018 Japan Japanese 2 season(s) 22 episode(s)
Action & AdventureComedySci-Fi & FantasyAnimation
Sakamoto Takuma was so strong in the MMORPG Cross Reverie that his fellow players came to call him the "demon lord." One day, he gets summoned to another world in his avatar form, and meets two girls who both insist that they're the one who summoned him. They cast a spell used to enslave summoned beasts on him, but that activates his unique ability, Magic Reflect, and the girls end up being the ones put under the spell! And thus begins the otherworldly adventure of a demon lord (pretend) who blazes his own trail through overwhelming power.
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TimeScore 33% Skip It
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Seasons & Episodes

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Season 2 · Ω
10 episode(s) · Air date: 09/Apr/2021
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Season Overview

Diablo (real name: Takuma Sakamoto), who has been summoned to a different world in the game, is in a different world that looks exactly like the game with Shera and Rem who insist that "I am the summoner" . I was spending my days. Fight the elite troops of the Elven Kingdom, fight the demons, and subdue the resurrected Demon King Krebs Krumm. While playing the Demon King, "I am Diablo. I am the Demon King of a another world!" , Diablo confronts the strong enemy, and while being at the mercy of the beautiful girls, he has built a solid relationship of trust. ── One day like that. Diablo and his friends go out to the forest of Koto and meet a girl who has fallen into disrepair . "Or God ..., is that?" It was Lumaquina, the chief priest of the church , chased by the Holy Knight ...! The Demon King (acting) with zero communicative competence pushes forward with absolute strength! The Unfolded Adventure by the Demon King from Another World and the summoned girls , continue again!

Season Overview

Diablo (real name: Takuma Sakamoto), who has been summoned to a different world in the game, is in a different world that looks exactly like the game with Shera and Rem who insist that "I am the summoner" . I was spending my days. Fight the elite troops of the Elven Kingdom, fight the demons, and subdue the resurrected Demon King Krebs Krumm. While playing the Demon King, "I am Diablo. I am the Demon King of a another world!" , Diablo confronts the strong enemy, and while being at the mercy of the beautiful girls, he has built a solid relationship of trust. ── One day like that. Diablo and his friends go out to the forest of Koto and meet a girl who has fallen into disrepair . "Or God ..., is that?" It was Lumaquina, the chief priest of the church , chased by the Holy Knight ...! The Demon King (acting) with zero communicative competence pushes forward with absolute strength! The Unfolded Adventure by the Demon King from Another World and the summoned girls , continue again!

S2E10
Pretend God
Air date: 10/Jun/2021 · Time: 03:45 · Runtime: 24 min
Summary

The magic weapon, Europa, God of Destruction, appears from underground and attacks, damaging Diablo. Since its attacks aren’t magic, he can’t reflect them with his Demon Lord’s Ring, and Europe’s barrier keeps his attacks from reaching it. “There’s something I want you to do.”—Diablo seeks Lumachina’s aid while barely avoiding the weapon’s attacks, and…

Summary

The magic weapon, Europa, God of Destruction, appears from underground and attacks, damaging Diablo. Since its attacks aren’t magic, he can’t reflect them with his Demon Lord’s Ring, and Europe’s barrier keeps his attacks from reaching it. “There’s something I want you to do.”—Diablo seeks Lumachina’s aid while barely avoiding the weapon’s attacks, and…

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S2E9
Storm the Church
Air date: 03/Jun/2021 · Time: 03:45 · Runtime: 24 min
Summary

Diablo and the others are locked up in the sanctuary by Vishos and kept apart from Lumachina. Meanwhile, Horn managed to escape, but she's torn between her desire to flee all by herself and her desire to help her friends. That's when Babalon, the Level Up Goddess that resides within the Holy Grail, appears before Horn.

Summary

Diablo and the others are locked up in the sanctuary by Vishos and kept apart from Lumachina. Meanwhile, Horn managed to escape, but she's torn between her desire to flee all by herself and her desire to help her friends. That's when Babalon, the Level Up Goddess that resides within the Holy Grail, appears before Horn.

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S2E8
Visit to the Royal Capital
Air date: 28/May/2021 · Time: 03:45 · Runtime: 24 min
Summary

Diablo and his group arrive at the royal capital, Seven Wall, but the guards stop them at the gates. That explosive situation is resolved by the imperial knight, Alicia. She was awaiting their arrival and leads the group to an inn. That night Diablo reveals to Alicia that the church is out to kill Lumachina...

Summary

Diablo and his group arrive at the royal capital, Seven Wall, but the guards stop them at the gates. That explosive situation is resolved by the imperial knight, Alicia. She was awaiting their arrival and leads the group to an inn. That night Diablo reveals to Alicia that the church is out to kill Lumachina...

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S2E7
Little Demon Lord
Air date: 21/May/2021 · Time: 03:45 · Runtime: 24 min
Summary

Lumachina asks Diablo to accompany her to the royal capital, so he decides to stop by Faltra City on the way. Diablo's group is worried about Klem and Edelgard after such a long time apart, and Sylvie informs them that they're at a bakery. Apparently the Fallen, Edelgard, had started a part-time job. Curious, Diablo and the others go to investigate...

Summary

Lumachina asks Diablo to accompany her to the royal capital, so he decides to stop by Faltra City on the way. Diablo's group is worried about Klem and Edelgard after such a long time apart, and Sylvie informs them that they're at a bakery. Apparently the Fallen, Edelgard, had started a part-time job. Curious, Diablo and the others go to investigate...

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S2E6
Demon Lord Army
Air date: 14/May/2021 · Time: 03:45 · Runtime: 24 min
Summary

Diablo resolves to return to Zircon Tower at once after learning the city was under attack by the Demon Lord Army. Meanwhile the desert becomes a battlefield as Laminitus and her soldiers wage battle against the Demon Lord Army's Commander, Varakness. Laminitus struggles against the overwhelming might of the Fallen, and just as the final blow is about to be dealt to her, Diablo appears with a flash.

Summary

Diablo resolves to return to Zircon Tower at once after learning the city was under attack by the Demon Lord Army. Meanwhile the desert becomes a battlefield as Laminitus and her soldiers wage battle against the Demon Lord Army's Commander, Varakness. Laminitus struggles against the overwhelming might of the Fallen, and just as the final blow is about to be dealt to her, Diablo appears with a flash.

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S2E5
Black Dragon Clash
Air date: 07/May/2021 · Time: 03:45 · Runtime: 24 min
Summary

After rescuing Horn, Diablo learns of Horn’s secret. Meanwhile, Shera, Rem, and Lumachina make progress through the dungeon and reach the twelfth underground floor. When Rem opens the door, they find the man pursuing Lumachina — Gewalt. To make things worse, a Large Black Dragon appears with a terrifying blast of wind!

Summary

After rescuing Horn, Diablo learns of Horn’s secret. Meanwhile, Shera, Rem, and Lumachina make progress through the dungeon and reach the twelfth underground floor. When Rem opens the door, they find the man pursuing Lumachina — Gewalt. To make things worse, a Large Black Dragon appears with a terrifying blast of wind!

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S2E4
Personal Domain
Air date: 30/Apr/2021 · Time: 03:45 · Runtime: 24 min
Summary

Diablo and the others were heading to the dungeon to obtain the hidden treasure that can cure the Death Knell Disease when Laminitus and her army surrounds them and attacks. Their party manages to reach the entrance to the dungeon, but there are now six marks on Lumachina’s body, and it’s said the victims of the Death Knell Disease will die once there are nine marks…

Summary

Diablo and the others were heading to the dungeon to obtain the hidden treasure that can cure the Death Knell Disease when Laminitus and her army surrounds them and attacks. Their party manages to reach the entrance to the dungeon, but there are now six marks on Lumachina’s body, and it’s said the victims of the Death Knell Disease will die once there are nine marks…

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S2E3
Corrupt Ritual
Air date: 22/Apr/2021 · Time: 03:45 · Runtime: 24 min
Summary

Lumachina realizes that Battuta is conducting a large scale curse, threatening the lives of others, but he puts her and Rem to sleep. The two later awaken in an underground space where believers are conducting the ritual. After Horn tells them of Lumachina and Rem’s capture, Diablo and Shera take action to rescue them!

Summary

Lumachina realizes that Battuta is conducting a large scale curse, threatening the lives of others, but he puts her and Rem to sleep. The two later awaken in an underground space where believers are conducting the ritual. After Horn tells them of Lumachina and Rem’s capture, Diablo and Shera take action to rescue them!

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S2E2
Head Paladin
Air date: 16/Apr/2021 · Time: 03:45 · Runtime: 24 min
Summary

Diablo and the others leave Faltra and arrive at Zircon Tower. There they meet an adventurer, Horn, who talks to Diablo about a new dungeon that has appeared — a dungeon that Diablo suspects is the one he created. Meanwhile, Lumachina gets into an argument with a man claiming to belong to the Paladin Brigade who kicked aside a woman carrying her baby…

Summary

Diablo and the others leave Faltra and arrive at Zircon Tower. There they meet an adventurer, Horn, who talks to Diablo about a new dungeon that has appeared — a dungeon that Diablo suspects is the one he created. Meanwhile, Lumachina gets into an argument with a man claiming to belong to the Paladin Brigade who kicked aside a woman carrying her baby…

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S2E1
Head Priest
Air date: 09/Apr/2021 · Time: 03:45 · Runtime: 24 min
Summary

Diablo, Shera, and Rem head out to the plains to test out new magic. While using said Flight Magic, Diablo spots the light of magic energy rising up from deep within the forest, so he makes haste towards its source. However, his spell gives out half way, and he goes plummeting down! When he lands, he finds the Head Priest, Lumachina under attack from the Paladin, Gewalt.

Summary

Diablo, Shera, and Rem head out to the plains to test out new magic. While using said Flight Magic, Diablo spots the light of magic energy rising up from deep within the forest, so he makes haste towards its source. However, his spell gives out half way, and he goes plummeting down! When he lands, he finds the Head Priest, Lumachina under attack from the Paladin, Gewalt.

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Season 1 · Season 1
12 episode(s) · Air date: 05/Jul/2018
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Season Overview

Sakamoto Takuma was so strong in the MMORPG Cross Reverie that his fellow players came to call him the "demon lord." One day, he gets summoned to another world in his avatar form, and meets two girls who both insist that they're the one who summoned him. They cast a spell used to enslave summoned beasts on him, but that activates his unique ability, Magic Reflect, and the girls end up being the ones put under the spell! And thus begins the otherworldly adventure of a demon lord (pretend) who blazes his own trail through overwhelming power.

Season Overview

Sakamoto Takuma was so strong in the MMORPG Cross Reverie that his fellow players came to call him the "demon lord." One day, he gets summoned to another world in his avatar form, and meets two girls who both insist that they're the one who summoned him. They cast a spell used to enslave summoned beasts on him, but that activates his unique ability, Magic Reflect, and the girls end up being the ones put under the spell! And thus begins the otherworldly adventure of a demon lord (pretend) who blazes his own trail through overwhelming power.

S1E12
Battle for Legitimacy
Air date: 20/Sep/2018 · Time: 21:30 · Runtime: 24 min
Summary

The Demon Lord Krebskulm has awakened due to Alicia’s betrayal. Diablo stands alone against Klem, her mind consumed by hatred. Shera races to Rem’s side. An army of Fallen led by Edelgard marches on Faltra, and the curtain rises on their final battle.

Summary

The Demon Lord Krebskulm has awakened due to Alicia’s betrayal. Diablo stands alone against Klem, her mind consumed by hatred. Shera races to Rem’s side. An army of Fallen led by Edelgard marches on Faltra, and the curtain rises on their final battle.

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S1E11
The Young Girl Awakens
Air date: 13/Sep/2018 · Time: 21:30 · Runtime: 24 min
Summary

Diablo’s party returns to Faltra with the newly resurrected Klem. On their way back from visiting Celestine, Rem and Klem suddenly get separated from Diablo and Shera, with Alicia having led them both astray.

Summary

Diablo’s party returns to Faltra with the newly resurrected Klem. On their way back from visiting Celestine, Rem and Klem suddenly get separated from Diablo and Shera, with Alicia having led them both astray.

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S1E10
The Demon Lord’s Resurrection
Air date: 06/Sep/2018 · Time: 21:30 · Runtime: 24 min
Summary

The night of the Demon Lord’s resurrection arrives at long last. Rem finally reveals to Shera and Alicia that the Demon Lord Krebskulm’s soul is sealed within her. Together, Diablo’s party heads for Starfall Tower, where Edelgard awaits.

Summary

The night of the Demon Lord’s resurrection arrives at long last. Rem finally reveals to Shera and Alicia that the Demon Lord Krebskulm’s soul is sealed within her. Together, Diablo’s party heads for Starfall Tower, where Edelgard awaits.

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S1E9
Holy Knight Tale
Air date: 30/Aug/2018 · Time: 21:30 · Runtime: 24 min
Summary

Alicia returns to the Imperial Capital to give her report on the incident between Faltra and the Kingdom of Greenwood. There she encounters the Paladin, Saddler.

Summary

Alicia returns to the Imperial Capital to give her report on the incident between Faltra and the Kingdom of Greenwood. There she encounters the Paladin, Saddler.

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S1E7
Change of Heart
Air date: 16/Aug/2018 · Time: 21:30 · Runtime: 24 min
Summary

The following day after Prince Keera’s visit, Shera suddenly bids farewell to Diablo while they’re preparing potions. Unable to stop her from leaving, Diablo holes up in the inn, consumed with regret. Rem is unsettled to see him so negative, too.

Summary

The following day after Prince Keera’s visit, Shera suddenly bids farewell to Diablo while they’re preparing potions. Unable to stop her from leaving, Diablo holes up in the inn, consumed with regret. Rem is unsettled to see him so negative, too.

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S1E6
Slave Market
Air date: 09/Aug/2018 · Time: 21:30 · Runtime: 24 min
Summary

While Greenwood’s demands remain unmet, Diablo and the girls visit a slave market to see if they can learn the magical secret of the Enslavement Collars.

Summary

While Greenwood’s demands remain unmet, Diablo and the girls visit a slave market to see if they can learn the magical secret of the Enslavement Collars.

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S1E5
Imperial Knight
Air date: 02/Aug/2018 · Time: 21:30 · Runtime: 24 min
Summary

The Kingdom of Greenwood demands that Faltra City hand over Princess Shera. If they refuse, it will lead to war, so Diablo meets with Galford, the Lord of Faltra City, and accepts a quest to prevent war from breaking out.

Summary

The Kingdom of Greenwood demands that Faltra City hand over Princess Shera. If they refuse, it will lead to war, so Diablo meets with Galford, the Lord of Faltra City, and accepts a quest to prevent war from breaking out.

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S1E4
Point-Blank War Dance
Air date: 26/Jul/2018 · Time: 21:30 · Runtime: 24 min
Summary

Rem, Celestine, and even Emile struggle in their battle against Gregore’s sudden attack. Meanwhile, Diablo and Edelgard confront each other on the Bridge of Ulug.

Summary

Rem, Celestine, and even Emile struggle in their battle against Gregore’s sudden attack. Meanwhile, Diablo and Edelgard confront each other on the Bridge of Ulug.

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S1E2
Strongest Newcomer
Air date: 12/Jul/2018 · Time: 21:30 · Runtime: 24 min
Summary

After awaking to hands filled with breasts, Diablo follows Shera and Rem to register as new members of the Adventurer’s Guild. While Shera is identified as a level 30 Summoner by the guild, Diablo’s level proves too high for them to measure.

Summary

After awaking to hands filled with breasts, Diablo follows Shera and Rem to register as new members of the Adventurer’s Guild. While Shera is identified as a level 30 Summoner by the guild, Diablo’s level proves too high for them to measure.

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S1E1
The Demon Lord Act
Air date: 05/Jul/2018 · Time: 21:30 · Runtime: 24 min
Summary

Takuma Sakamoto was a shut-in gamer who achieved renown as the Demon Lord in Cross Reverie, a MMORPG, for his overwhelming gear and skill.

Summary

Takuma Sakamoto was a shut-in gamer who achieved renown as the Demon Lord in Cross Reverie, a MMORPG, for his overwhelming gear and skill.

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Cast

Main cast members.

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Masaaki Mizunaka
Masaaki Mizunaka
Sakamoto Takuma (voice)
Yu Serizawa
Yu Serizawa
Shera L. Greenwood (voice)
Azumi Waki
Azumi Waki
Rem Galeu (voice)
Yumi Hara
Yumi Hara
Alicia Crystella (voice)
Rumi Okubo
Rumi Okubo
Sylvie (voice)
Emiri Kato
Emiri Kato
Edelgard (voice)
Atsumi Tanezaki
Atsumi Tanezaki
Klem (voice)
Sayaka Senbongi
Sayaka Senbongi
Celestine Baudelaire (voice)
Ryotaro Okiayu
Ryotaro Okiayu
Emile Bichelberger (voice)
Akira Ishida
Akira Ishida
Keera L Greenwood (voice)

Crew

Creators, directors, writers, and production crew.

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Masami Saito
Art Designer
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Hodaka Okamoto
Art Direction
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Takahiro Tsurusaki
Original Series Design
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Tetsuya Kawaishi
Creature Design, Prop Designer
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Yuuichi Nakajima
Key Animation, Prop Designer
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Masaya Fujimori
Key Animation, Storyboard Artist
Satoshi Kuwabara
Satoshi Kuwabara
Series Director, Storyboard Artist
Yuta Murano
Yuta Murano
Series Director, Storyboard Artist
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Nozomi Shitara
Director of Photography
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Teppei Sato
Director of Photography
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Yuri Uema
Assistant Director
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Fumihiro Yoshimura
Director

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