The Holy Grail of Eris (2026)
Plot — What is The Holy Grail of Eris about?
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.
Top Cast & Creator
▶ The Holy Grail of Eris — Official Trailer
Streaming Availability
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Quick Facts
| Type | Web Series |
| First Aired | 2026 |
| Genre | Animation, Mystery, Sci-Fi & Fantasy |
| Language | Japanese |
| Seasons | 1 (12 episodes) |
| Audience Score | 73% (7.3/10, 23 votes) |
The Holy Grail of Eris — FAQ
Is The Holy Grail of Eris worth watching? The Holy Grail of Eris holds a 7.3/10 rating from 23 viewers. 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
Who is in the cast of The Holy Grail of Eris? It stars Kana Ichinose, Sayumi Suzushiro, Yohei Azakami, Mao Ichimichi, Maaya Uchida, Natsuki Hanae and more.
Where can I stream The Holy Grail of Eris? You can stream The Holy Grail of Eris on Crunchyroll, Sony Liv, Crunchyroll Amazon Channel. Availability may vary by region.
When did The Holy Grail of Eris release? It first aired in 2026.
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