The Holy Grail of Eris
EndedMBS2026-01-08

The Holy Grail of Eris

エリスの聖杯

AnimationMysterySci-Fi & Fantasy

Seasons

1

Episodes

12

Networks

MBS, TBS, CBC

Countries

JP

First aired

2026-01-08

Last aired

2026-03-26

Language

ja

Rating

7.2 / 10

Episode release dates

Precise schedule unavailable

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Synopsis and details

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.

Seasons and episodes

Season 1

Season 1

12 episodes · 2026-01-08

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)

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