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OtapediaThe Master of Ragnarok & Blesser of Einherjar

Alternate Titles

Hyakuren no Haou to Seiyaku no Valkyria


For Yuuto, what began as a selfie with a mystical shrine mirror ended with his sudden transportation from the modern world to a war-torn one called Yggdrasil. Here, it’s survival of the fittest, with the different clans constantly battling and vying for power, land, and resources. Luckily for Yuuto, he has a different sort of power at his fingertips: his smartphone, which somehow still has access to the internet!

Thanks to his ability to research and implement all sorts of tactics and technologies, in just over two years, he now sits as the Patriarch of the Wolf Clan. Not only does he command thousands of troops, but he also has an entourage of beautiful, strong, and important woman that continues to grow in size as time goes by.

More than anything, though, Yuuto just wants to return home. Consolidation of power means, instead of having to worry about constant wars, he can focus on finding a way back...but the path there is guaranteed to be a bloody and interesting affair, and the added distractions of women who want nothing more than to be by his side certainly isn’t helping!

Anime Adaptation

Written by Seiichi Takayama and illustrated by Yukisan, this fantasy harem series was first released as a light novel in August 2013. The anime adaptation, which was first announced in March 2018, began airing on July 8, 2018 and is officially licensed overseas by Crunchyroll.

The opening theme is “Bright Way” by Aya Uchida (the voice actress who voices Mitsuki), with the ending theme being “Sekaijuu ga Koi wo Suru Yoru” by petit milady.


Yuuto Suoh (Voiced by: Koudai Sakai)

Yuuto is a 16 year old who, two years ago, was whisked away from his modern world to Yggdrasil. He has become the Patriarch of the Wolf Clan because, thanks to his working smartphone, he can research and implement game-changing military tactics, weapons, and the like. Though he has a temper, he is also naive and easily embarrassed when it comes to romance and sex.

Felicia (Voiced by: Rie Suegara)

Felicia is the right-hand woman of Yuuto, as well as his younger sister by oath. Her choice of weapon is a whip. A curvaceous beauty, she has a kind and bubbly personality that shines best when she’s with Yuuto.

Sigrune (Voiced by: Arisa Date)

Sigrune is the strongest fighter in the Wolf Clan, as well as Yuuto’s daughter by oath. Her choice of weapon is a sword. Her admiration and respect for him knows no bounds, to the point where she’ll win entire battles just to earn his praise and a pat on the head.

Ingrid (Voiced by: Maki Kawase)

Ingrid is a weaponsmith and the head of the workshop for the Wolf Clan. She too is Yuuto’s daughter by oath. Since she knew him before he rose to the top of the clan, she sometimes has trouble being a little too familiar with him.

Linnea (Voiced by: Kanon Takao)

Linnea is the Patriarch of the Horn Clan. After her clan suffers a decisive defeat at the hands of the Wolf Clan, Linnea agrees to become his younger sister by oath.

Mitsuki Shimoya (Voiced by: Aya Uchida)

Mitsuki is the childhood friend of Yuuto. She was with him when he was summoned to Yggdrasil. She keeps in regular contact with him via smartphone and wishes more than anything that he finds a way back home.

Albertina (Voiced by: Aoi Yuuki)

Albertina is the daughter of the Patriarch of the Hoof Clan. She is the older twin of Christina.

Christina (Voiced by: Ayana Taketatsu)

Christina is the daughter of the Patriarch of the Hoof Clan. She is the younger twin of Albertina.

International Streaming


Official Info


  • Original Creator: Seiichi Takayama
  • Original Character Designer: Yuki-san
  • Director: Kousuke Kobayashi
  • Series Composition: Natsuko Takahashi
  • Character Designer: Mariko Ito
  • Chief Animation Director: Mariko Ito, Miyako Yatsu
  • Animation Production EMT Squared
  • Opening Theme: “Bright Way” by Aya Uchida
  • Ending Theme: Sekaijuu ga Koi wo Suru Yoru” by petit milady


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