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The Holy Grail of Eris

The Holy Grail of Eris

7.4(24)

2026

Ended

ja

Animation Mystery Sci-Fi & Fantasy

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.

Release Date

January 8, 2026

Seasons

1

Episodes

12

Production

Ashi Productions, Good Smile Film

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Cast

7 people

Kana Ichinose

Kana Ichinose

Kana Ichinose

Constance Grail (voice)

Acting

Sayumi Suzushiro

Sayumi Suzushiro

Sayumi Suzushiro

Scarlett Castiel (voice)

Acting

Yohei Azakami

Yohei Azakami

Yohei Azakami

Randolph Ulster (voices)

Acting

Mao Ichimichi

Mao Ichimichi

Mao Ichimichi

Lily Orlamunde (voice)

Acting

Maaya Uchida

Maaya Uchida

Maaya Uchida

Cecilia Adelbide (voice)

Acting

Natsuki Hanae

Natsuki Hanae

Natsuki Hanae

Enrique Adelbide (voice)

Acting

Jun Fukuyama

Jun Fukuyama

Jun Fukuyama

Dominic Harmsworth (voice)

Acting

Episodes

12 total

Season 112 episodes2026

No episodes available for this season.

Reviews & Ratings

(3)

3.7

3 community reviews

5★

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