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The Holy Grail of Eris

The Holy Grail of Eris

2026·TV series·1 season · 12 episodes

Animation, Mystery, Sci-Fi & Fantasy

7.4 / 10 (24 votes)

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.

0
Original language
日本語
First aired
8 January 2026

Where to Watch

Availability in the US · Subtitle and audio track data

Crunchyroll
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Subtitle and audio languages not checked yet.

Last verified 2 Nov 2026

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)