MBS • 2026–2026·Animation·Mystery·Sci-Fi & Fantasy
The Holy Grail of Eris
Rating
7.2
19 votes
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.
Seasons & Episodes
12 episodes • 2026
At the Grand Merillian
23m · 2026-01-08
An Extraordinary Villainess and an Ordinary Girl
23m · 2026-01-15
Respective Answers and Beginnings
23m · 2026-01-22
The Silent Ladies' Tea Party
23m · 2026-01-29
And the Cock Crows to Herald the Dawn
23m · 2026-02-05
The Command of the Goddess
23m · 2026-02-12
A Banquet of Insectivorous Plants
24m · 2026-02-19
Lily Orlamunde
23m · 2026-02-26
The Holy Grail of Eris
23m · 2026-03-05
For the Future
23m · 2026-03-12
Those Who Defy Fate
23m · 2026-03-19
The Final Chapter: At the Grand Merillian
23m · 2026-03-26
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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