Series·2026·TV-14·1 season

The Holy Grail of Eris

AnimationMysterySci-Fi & 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.

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Episodes

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At the Grand MerillianE1 · 23 min

Constance Grail attends a party only to find her fiancé kissing another woman and herself accused of a crime.

An Extraordinary Villainess and an Ordinary GirlE2 · 23 min

The ghostly Scarlett demands that Constance repay her help by avenging her death.

Respective Answers and BeginningsE3 · 23 min

Constance and Scarlett follow a tip to a masked ball with a sinister reputation.

The Silent Ladies' Tea PartyE4 · 23 min

Constance receives a summons from an investigative committee determined to put her on trial.

And the Cock Crows to Herald the DawnE5 · 23 min

Constance's carriage suffers a shocking attack and an even more shocking rescue.

The Command of the GoddessE6 · 23 min

Both Constance and Randolph uncover fresh clues, but Lily's last message remains shrouded in mystery.

A Banquet of Insectivorous PlantsE7 · 24 min

Daeg Gallus contrives to murder Aisha before she can reveal the truth and cast suspicion on Abigail.

Lily OrlamundeE8 · 23 min

Constance, Scarlett, and Randolph discover a letter that reveals Lily's struggle and the truth she uncovered.

The Holy Grail of ErisE9 · 23 min

Scarlett possesses Constance to confront her own father.

For the FutureE10 · 23 min

Constance, Scarlett, and Randolph pursue the kidnapped Ulysses and stumble into a shootout.

Those Who Defy FateE11 · 23 min

Constance is jailed on her own testimony and given a sentence of death.

The Final Chapter: At the Grand MerillianE12 · 23 min

As the hour of Constance's execution approaches, Scarlett finds a crucial document and Cecilia makes her move.

Featuring

Cast

7 credited

Kana Ichinose
Kana IchinoseConstance Grail (voice)
Sayumi Suzushiro
Sayumi SuzushiroScarlett Castiel (voice)
Yohei Azakami
Yohei AzakamiRandolph Ulster (voices)
Mao Ichimichi
Mao IchimichiLily Orlamunde (voice)
Maaya Uchida
Maaya UchidaCecilia Adelbide (voice)
Natsuki Hanae
Natsuki HanaeEnrique Adelbide (voice)
Jun Fukuyama
Jun FukuyamaDominic Harmsworth (voice)

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