The Holy Grail of Eris
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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Top 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)
Frequently asked questions
Where can I watch The Holy Grail of Eris online?
As of August 5, 2026, The Holy Grail of Eris is available to stream on Crunchyroll and Crunchyroll Amazon Channel in United States. Use the country selector above to check availability in other regions — streaming rights are licensed per country, so catalogues differ.
Is The Holy Grail of Eris on Netflix?
No — The Holy Grail of Eris is not currently on Netflix in any of the countries we track. In United States it streams on Crunchyroll and Crunchyroll Amazon Channel instead.
Can I rent or buy The Holy Grail of Eris online?
Our sources do not list a digital rental or purchase option for The Holy Grail of Eris in United States right now.
In which countries can I stream The Holy Grail of Eris?
As of August 5, 2026, The Holy Grail of Eris is included with a streaming subscription (or free with ads) in Argentina, Brazil, Canada, Chile, Colombia, Germany, Italy, Mexico, Portugal, Spain, United Kingdom, and United States, among the countries we track.
Streaming availability last checked on August 5, 2026. Catalogues change frequently — data from TMDB and JustWatch.
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