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The Holy Grail of Eris poster

The Holy Grail of Eris (2026)

First aired January 8, 20261 season · 12 epsEnded
7.1

17 votes

AnimationMysterySci-Fi & Fantasy
Official Site

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.

Where to Watch

Streaming availability for India

Stream

CrunchyrollCrunchyroll Amazon Channel
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Top Billed 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)

Seasons

Status

Ended

Language

Japanese

Type

Scripted

Last Air Date

March 26, 2026

Networks

MBSTBSCBCTulip TelevisionSBCBSNtysNBCHBCRKKi-TelevisionSBSIBCBSSMROOBSTUFRSKTUYtbcRKBKUTVRBCUTYRCCMRTATVMBC

Production

Ashi ProductionsGood Smile FilmHakuhodo DY Music & PicturesDrecomTBSLDH JAPAN

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