The Holy Grail of Eris

7.1 (21 votes)• 2026•Ended

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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.

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Production Details

Languages: Japanese

Starring Cast: Kana Ichinose, Sayumi Suzushiro, Yohei Azakami, Mao Ichimichi, Maaya Uchida, Natsuki Hanae

Cast

Kana Ichinose

Constance Grail (voice)

Sayumi Suzushiro

Scarlett Castiel (voice)

Yohei Azakami

Randolph Ulster (voices)

Mao Ichimichi

Lily Orlamunde (voice)

Maaya Uchida

Cecilia Adelbide (voice)

Natsuki Hanae

Enrique Adelbide (voice)

Jun Fukuyama

Dominic Harmsworth (voice)

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