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.
Cast: Kana Ichinose, Sayumi Suzushiro, Yohei Azakami
Season 1
12 episodes
1. At the Grand MerillianConstance Grail attends a party only to find her fiancé kissing another woman and herself accused of a crime.TV-14CC23minJan 8, 2026
2. An Extraordinary Villainess and an Ordinary GirlThe ghostly Scarlett demands that Constance repay her help by avenging her death.TV-14CC23minJan 15, 2026
3. Respective Answers and BeginningsConstance and Scarlett follow a tip to a masked ball with a sinister reputation.TV-14CC23minJan 22, 2026
4. The Silent Ladies' Tea PartyConstance receives a summons from an investigative committee determined to put her on trial.TV-14CC23minJan 29, 2026
5. And the Cock Crows to Herald the DawnConstance's carriage suffers a shocking attack and an even more shocking rescue.TV-14CC23minFeb 5, 2026
6. The Command of the GoddessBoth Constance and Randolph uncover fresh clues, but Lily's last message remains shrouded in mystery.TV-14CC23minFeb 12, 2026
7. A Banquet of Insectivorous PlantsDaeg Gallus contrives to murder Aisha before she can reveal the truth and cast suspicion on Abigail.TV-14CC24minFeb 19, 2026
8. Lily OrlamundeConstance, Scarlett, and Randolph discover a letter that reveals Lily's struggle and the truth she uncovered.TV-14CC23minFeb 26, 2026
9. The Holy Grail of ErisScarlett possesses Constance to confront her own father.TV-14CC23minMar 5, 2026
10. For the FutureConstance, Scarlett, and Randolph pursue the kidnapped Ulysses and stumble into a shootout.TV-14CC23minMar 12, 2026
11. Those Who Defy FateConstance is jailed on her own testimony and given a sentence of death.TV-14CC23minMar 19, 2026
12. The Final Chapter: At the Grand MerillianAs the hour of Constance's execution approaches, Scarlett finds a crucial document and Cecilia makes her move.TV-14CC23minMar 26, 2026
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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.
Creators and cast
- Created by
- Seiji Miyazaki, Satoshi Fukao, Hiroto Utsunomiya, Tomoko Fujimura
