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The Holy Grail of Eris

TV • 2026

The Holy Grail of Eris

Cinematic storytelling powered by Moviepedia.

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.

TMDB ★ 3.7/5Votes: 24
Favorite off • Watchlist off • Not rated
AnimationMysterySci-Fi & Fantasy

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)

—

Yuunagi

Character Designer

—

Kenichi Yamashita

Series Composition

—

Jun Yukawa

Character Designer

—

Nobuhito Sue

Art Direction

—

Morita to Jumpei

Series Director

—

Yuriko Sano

Editor

—

Yuichi Morita

Sound Director

Where to watch

CrunchyrollCrunchyroll
Crunchyroll Amazon ChannelCrunchyroll Amazon Channel

Meta Snapshot

Series

Status

Ended

Release

January 8, 2026

Episode Runtime

N/A

Language

Japanese

Origin

Japan

Episodes

12 • 1 seasons

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