The Holy Grail of Eris
Animation·Mystery·Sci-Fi & Fantasy·2026·1 Seasons
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.
Starring: Kana Ichinose，Sayumi Suzushiro，Yohei Azakami，Mao Ichimichi
Episodes
Season 1
S01 | E01
At the Grand Merillian
2026-01-08
S01 | E02
An Extraordinary Villainess and an Ordinary Girl
2026-01-15
S01 | E03
Respective Answers and Beginnings
2026-01-22
S01 | E04
The Silent Ladies' Tea Party
2026-01-29
S01 | E05
And the Cock Crows to Herald the Dawn
2026-02-05
S01 | E06
The Command of the Goddess
2026-02-12
S01 | E07
A Banquet of Insectivorous Plants
2026-02-19
S01 | E08
Lily Orlamunde
2026-02-26
S01 | E09
The Holy Grail of Eris
2026-03-05
S01 | E10
For the Future
2026-03-12
S01 | E11
Those Who Defy Fate
2026-03-19
S01 | E12
The Final Chapter: At the Grand Merillian
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)
