Kana Ichinose
Constance Grail (voice)
Series
Watch The Holy Grail of Eris (2026) Online
Synopsis
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.
Episodes
Season 1
PreviousNext
1. At the Grand MerillianNow viewing2026-01-0823m6.7Constance Grail attends a party only to find her fiancé kissing another woman and herself accused of a crime.
2. An Extraordinary Villainess and an Ordinary Girl2026-01-1523m7.0The ghostly Scarlett demands that Constance repay her help by avenging her death.
3. Respective Answers and Beginnings2026-01-2223m7.0Constance and Scarlett follow a tip to a masked ball with a sinister reputation.
4. The Silent Ladies' Tea Party2026-01-2923m6.7Constance receives a summons from an investigative committee determined to put her on trial.
5. And the Cock Crows to Herald the Dawn2026-02-0523m7.0Constance's carriage suffers a shocking attack and an even more shocking rescue.
6. The Command of the Goddess2026-02-1223m7.0Both Constance and Randolph uncover fresh clues, but Lily's last message remains shrouded in mystery.
7. A Banquet of Insectivorous Plants2026-02-1924m6.0Daeg Gallus contrives to murder Aisha before she can reveal the truth and cast suspicion on Abigail.
8. Lily Orlamunde2026-02-2623m6.3Constance, Scarlett, and Randolph discover a letter that reveals Lily's struggle and the truth she uncovered.
9. The Holy Grail of Eris2026-03-0523m7.3Scarlett possesses Constance to confront her own father.
10. For the Future2026-03-1223m7.3Constance, Scarlett, and Randolph pursue the kidnapped Ulysses and stumble into a shootout.
11. Those Who Defy Fate2026-03-1923m6.7Constance is jailed on her own testimony and given a sentence of death.
12. The Final Chapter: At the Grand Merillian2026-03-2623m7.7As the hour of Constance's execution approaches, Scarlett finds a crucial document and Cecilia makes her move.
Cast
Top Billed Cast
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)
Availability
Where To Watch Legally
Crunchyroll
Crunchyroll Amazon ChannelStreaming availability data provided by JustWatch.
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FAQ
Frequently Asked Questions
Is The Holy Grail of Eris available to watch online?
Yes - see the "Where to watch legally" section on this page for streaming, rental and purchase options.
How many seasons does The Holy Grail of Eris have?
The Holy Grail of Eris has 1 season and 12 episodes.
When did The Holy Grail of Eris first air?
The Holy Grail of Eris first aired in 2026.
Is The Holy Grail of Eris still running?
The Holy Grail of Eris's status on TMDB is: Ended.
What genre is The Holy Grail of Eris?
The Holy Grail of Eris is classified as Animation, Mystery, Sci-Fi & Fantasy.