The Holy Grail of Eris (2026)

Animation · Drama · Fantasy

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.

IMDb rating: 6.7 (306 votes)
Seasons: 1
Streaming (US): Crunchyroll
Language: JA
Type: TV series

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Ratings refreshed Aug 19, 2026 · 1 season indexed

Cast

Seasons

Season 1 (2026)

8.41 avg 12 episodes 8.0 → 8.8

Big finale

Season 1 episodes - IMDb ratings
#	Title	Rating	Votes
1	At the Grand Merillian	8.0	54
2	An Extraordinary Villainess and an Ordinary Girl	8.1	43
3	Respective Answers and Beginnings	8.1	38
4	The Silent Ladies' Tea Party	8.4	34
5	And the Cock Crows to Herald the Dawn	8.7	32
6	The Command of the Goddess	8.4	29
7	A Banquet of Insectivorous Plants	8.4	28
8	Lily Orlamunde	8.7	29
9	The Holy Grail of Eris	8.5	31
10	For the Future	8.1	27
11	Those Who Defy Fate	8.7	27
12	The Final Chapter: At the Grand Merillian	8.8	31