Playback is currently unavailable for S1 E1 · At the Grand Merillian. Episode details remain available below.
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.
- Cast:
- Kana Ichinose, Sayumi Suzushiro, Yohei Azakami, Mao Ichimichi
- Language:
- Japanese
- Country:
- Japan
- Network:
- MBS, TBS, CBC, Tulip Television, SBC, BSN, tys, NBC, HBC, RKK, i-Television, SBS, IBC, BSS, MRO, OBS, TUF, RSK, TUY, tbc, RKB, KUTV, RBC, UTY, RCC, MRT, ATV, MBC
Episode guide
Seasons
Season 1
Episodes
E01
Episode 1
★ 6.7At the Grand Merillian
2026-01-08 · 23mConstance Grail attends a party only to find her fiancé kissing another woman and herself accused of a crime.
Current episode
E02
Episode 2
★ 7.0An Extraordinary Villainess and an Ordinary Girl
2026-01-15 · 23mThe ghostly Scarlett demands that Constance repay her help by avenging her death.
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E03
Episode 3
★ 7.0Respective Answers and Beginnings
2026-01-22 · 23mConstance and Scarlett follow a tip to a masked ball with a sinister reputation.
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E04
Episode 4
★ 6.7The Silent Ladies' Tea Party
2026-01-29 · 23mConstance receives a summons from an investigative committee determined to put her on trial.
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E05
Episode 5
★ 7.0And the Cock Crows to Herald the Dawn
2026-02-05 · 23mConstance's carriage suffers a shocking attack and an even more shocking rescue.
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E06
Episode 6
★ 7.0The Command of the Goddess
2026-02-12 · 23mBoth Constance and Randolph uncover fresh clues, but Lily's last message remains shrouded in mystery.
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E07
Episode 7
★ 6.0A Banquet of Insectivorous Plants
2026-02-19 · 24mDaeg Gallus contrives to murder Aisha before she can reveal the truth and cast suspicion on Abigail.
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E08
Episode 8
★ 6.3Lily Orlamunde
2026-02-26 · 23mConstance, Scarlett, and Randolph discover a letter that reveals Lily's struggle and the truth she uncovered.
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E09
Episode 9
★ 7.3The Holy Grail of Eris
2026-03-05 · 23mScarlett possesses Constance to confront her own father.
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E10
Episode 10
★ 7.3For the Future
2026-03-12 · 23mConstance, Scarlett, and Randolph pursue the kidnapped Ulysses and stumble into a shootout.
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E11
Episode 11
★ 6.7Those Who Defy Fate
2026-03-19 · 23mConstance is jailed on her own testimony and given a sentence of death.
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E12
Episode 12
★ 7.7The Final Chapter: At the Grand Merillian
2026-03-26 · 23mAs the hour of Constance's execution approaches, Scarlett finds a crucial document and Cecilia makes her move.
Watch progress · Not trackedCast
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)
