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The Holy Grail of Eris

The Holy Grail of Eris

20267.41 Season12 EpisodesReturning Series

Overview

Betrayed by her fiancé's lover and sentenced to public execution, Constance Grail, a plain viscount's daughter known for her honesty, faces death—until a mysterious voice offers salvation. Scarlett Castiel, a noblewoman long thought dead, may be her only hope. Together, these unlikely allies uncover a dark conspiracy lurking in the heart of high society, where betrayal, secrets, and power collide.

Created by Kenichi Yamashita
Written by Kenichi Yamashita
Produced by Satoshi Fukao, Hiroto Utsunomiya, Tomoko Fujimura
NetworksMBSTBSCBCTulip TelevisionSBCBSNtysNBCHBCRKKi-TelevisionSBSIBCBSSMROOBSTUFRSKTUYtbcRKBKUTVRBCUTYRCCMRTATVMBC

Top Cast

Kana Ichinose

Kana Ichinose

Constance Grail (voice)

Sayumi Suzushiro

Sayumi Suzushiro

Scarlett Castiel (voice)

Yohei Azakami

Yohei Azakami

Randolph Ulster (voices)

Mao Ichimichi

Mao Ichimichi

Lily Orlamunde (voice)

Maaya Uchida

Maaya Uchida

Cecilia Adelbide (voice)

Natsuki Hanae

Natsuki Hanae

Enrique Adelbide (voice)

Jun Fukuyama

Jun Fukuyama

Dominic Harmsworth (voice)

Themes & Keywords

supernaturalvillainessanimebased on light novel

About The Holy Grail of Eris

The Holy Grail of Eris is a animation, mystery, sci-fi & fantasy series that first aired in 2026 exploring themes of supernatural, villainess, anime, based on light novel. Created by Kenichi Yamashita, it stars Kana Ichinose, Sayumi Suzushiro, Yohei Azakami. Betrayed by her fiancé's lover and sentenced to public execution, Constance Grail, a plain viscount's daughter known for her honesty, faces death—until a mysterious voice offers salvation. Scarlett Castiel, a noblewoman long thought dead, may be her only hope. Together, these unlikely allies uncover a dark conspiracy lurking in the heart of high society, where betrayal, secrets, and power collide.

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