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: 6.8 (323 votes)
Episode average: 8.4 +1.6 vs IMDb
Seasons: 1
Streaming (US): Crunchyroll
Language: JA
Type: TV series

Rating trend: this show's seasons do not settle into one shape. Rising Shows ranks whole shows by the shape of their rating trend rather than one average score, which is how you find a show that got better rather than a show that started well.

Browse shows by rating shape → Open in Rising Shows app → View on IMDb

Ratings refreshed Oct 3, 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