Seijo no Maryoku wa Bannou desu

The Saint's Magic Power is Omnipotent

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Alternative Titles

Synonyms: The power of the saint is all around.
Japanese: 聖女の魔力は万能です
English: The Saint's Magic Power is Omnipotent
German: The Saint's Magic Power is Omnipotent
Spanish: The Saint's Magic Power is Omnipotent
French: The Saint's Magic Power is Omnipotent
More titles


Type: TV
Episodes: 12
Status: Finished Airing
Aired: Apr 6, 2021 to Jun 22, 2021
Premiered: Spring 2021
Broadcast: Tuesdays at 23:30 (JST)
Licensors: Funimation
Studios: Diomedéa
Source: Light novel
Genres: FantasyFantasy, RomanceRomance
Themes: Adult CastAdult Cast, IsekaiIsekai, MedicalMedical
Duration: 23 min. per ep.
Rating: PG-13 - Teens 13 or older


Score: 7.281 (scored by 7855078,550 users)
1 indicates a weighted score.
Ranked: #26202
2 based on the top anime page. Please note that 'Not yet aired' and 'R18+' titles are excluded.
Popularity: #1302
Members: 168,856
Favorites: 1,049

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Ranked #2620Popularity #1302Members 168,856
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Episodes: /12
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Since ancient times, the citizens of Slantania have lived within a shroud of miasma, a force that brings forth monsters creating havoc around the world. When the kingdom's Order of Knights becomes incapable of containing the monsters, the Grand Magus summons a holy maiden—the legendary "Saint"—to obliterate the horrid creatures and restore peace.

One evening, as Sei Takanashi returns home from a long day at work, a magical force pulls her into a foreign world. Upon her arrival to the kingdom of Slantania, she overhears that the Grand Magus inadvertently summoned two Saints—Sei and a brown-haired girl. Needing only one holy maiden, the prince declares the other girl as the Saint, leaving Sei to her own devices.

Sei sets her sight on the Medicinal Flora Research Institute, an establishment known for its studies regarding herbs and potions. While indulging in her latest passion, Sei has a fateful encounter with the commander of the Third Order of Knights. But little does she know, her aptitude as a Saint will continue to exert its influence over her new life.

[Written by MAL Rewrite]


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Episode Videos

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Characters & Voice Actors



Opening Theme

Apple Music
Amazon Music
Youtube Music
"Blessing" by Aira Yuuki (結城アイラ)

Ending Theme

1: "Page for Tomorrow" by NOW ON AIR (eps 2-11)
2: "Pray" by Aira Yuuki (結城アイラ) (eps 12)

Jun 22, 2021
The low score is based on the lack of: antagonist, plot twists, suspense, character dev, quality dialogue, and etc that a good story should have.

I found this series from recommendations of another shoujo anime that I watched, Akagami no Shirayuki-hime. Some 8 people recommended watching this series... What a mistake! Generally, I enjoy shoujo and the like with sentimental stories even if it's a harem. Sadly, Seijo no Maryoku wa Bannou Desu failed my expectations.

Story 2/10: The plot is super basic, predictable, and therefore boring. There is no antagonist in the story, no real conflict or anything that can cause emotions, characters just exist. The ...
Jun 22, 2021
What do you get when you mix the two best genres of anime, shoujo romance and isekai? An amazing experience like Seijo.

I’ll be sweet and short with this one, Seijo was one of the best shows of the season, it’s really a shame it didn’t get much attention. But, for those of us who did get a chance to check it out, week after week we got to see an incredible character driven and grounded fantasy story. Sei’s one of the most loveable characters I’ve come across in an isekai. If you have traditionally struggled to get into isekai because of generic OP MCs ...
Jun 22, 2021
"The Saint's Magic Power is Omnipotent" or "Saint Isekai" (or "Sei Isekai") is definitely the hidden gem of this season.

A show that was rather down in the list of seasonals, I initially just skipped over it, but after hearing a few things about it, I decided to give it a try, and had a HUGE surprise waiting for me. This anime immediately jumped to the top of my seasonal list.

You see, Saint Isekai doesn't do TOO much new in the field. We've seen Isekais before, and we've seen that one fantasy world maybe a bit too much.

But still, it is able to play its cards ...

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Recent Forum Discussion

Poll: Seijo no Maryoku wa Bannou Desu Episode 12 Discussion ( 1 2 )
Stark700 - Jun 22, 2021
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May 4, 7:17 PM
Poll: Seijo no Maryoku wa Bannou Desu Episode 11 Discussion
Stark700 - Jun 15, 2021
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May 4, 6:56 AM
Poll: Seijo no Maryoku wa Bannou Desu Episode 10 Discussion ( 1 2 )
Stark700 - Jun 8, 2021
55 repliesby lazypanda666»»
May 4, 2:08 AM
Poll: Seijo no Maryoku wa Bannou Desu Episode 9 Discussion ( 1 2 )
Stark700 - Jun 1, 2021
50 repliesby lazypanda666»»
May 3, 9:59 PM
Poll: Seijo no Maryoku wa Bannou Desu Episode 8 Discussion ( 1 2 )
Stark700 - May 25, 2021
59 repliesby lazypanda666»»
May 3, 6:07 PM
It’s time to ditch the text file.
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