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The Holy Grail of Eris
The Holy Grail of Eris
6.9•2026•U/A 16+•12 Episodes

It is common knowledge that nobles will do anything for power; lying, manipulation, and extortion are the usual tactics. However, one family is exempt from this generalization: House Grail, whose main tenets are truth and integrity. The youngest daughter, Constance Grail, is just as moral as the rest of her family, believing in always doing the right thing and helping those in need. However, these ideals do not help her when her fiancé cheats on her with another woman. Framed by his lover in the hope of her downfall, Constance has no one to hear her pleas for justice. Everyone turns a blind eye, save for one—the spirit of the infamous Scarlett Castiel—who possesses Constance and turns the tables on her accuser. However, this aid does not come without a price. Ten years ago, Scarlett was executed for the attempted murder of Princess Cecilia. But this was actually a setup; as blunt and harsh as Scarlett could be, she would never stoop so low as to use poison. She has no idea who orchestrated her incrimination, but Scarlett demands that Constance—as the only one who can see her—help her exact revenge on all those who wronged her! (Source: MAL Rewrite)

Drama|Fantasy|Mystery|Romance|Supernatural
Watch NowAnime

Characters

Scarlet Castiel

Scarlet Castiel

Constance Grail

Constance Grail

Cecilia Adelbide

Cecilia Adelbide

Randolph Ulster

Randolph Ulster

Lily Orlamunde

Lily Orlamunde

Enrique Adelbide

Enrique Adelbide

Dominic Harmsworth

Dominic Harmsworth

Adolphus Castiel

Adolphus Castiel

Kate Lorraine

Kate Lorraine

Deborah Darkian

Deborah Darkian

Aisha Huxley

Aisha Huxley

Abigail O'Brian

Abigail O'Brian

Rebecca

Rebecca

Lucia O'Brian

Lucia O'Brian

Ernst Adelbide

Ernst Adelbide

Miriam

Miriam

Aldous Clayton

Aldous Clayton

Kimberly Smith

Kimberly Smith

Dylan Bellesford

Dylan Bellesford

Emilia Godwin

Emilia Godwin

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Episodes

  1. 1

    At the Grand Merillian

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

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

    Play
  2. 2

    An Extraordinary Villainess and an Ordinary Girl

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

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

    Play
  3. 3

    Respective Answers and Beginnings

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

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

    Play
  4. 4

    The Silent Ladies' Tea Party

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

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

    Play
  5. 5

    And the Cock Crows to Herald the Dawn

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

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

    Play
  6. 6

    The Command of the Goddess

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

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

    Play
  7. 7

    A Banquet of Insectivorous Plants

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

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

    Play
  8. 8

    Lily Orlamunde

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

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

    Play
  9. 9

    The Holy Grail of Eris

    Scarlett possesses Constance to confront her own father.

    Scarlett possesses Constance to confront her own father.

    Play
  10. 10

    For the Future

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

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

    Play
  11. 11

    Those Who Defy Fate

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

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

    Play
  12. 12

    The Final Chapter: At the Grand Merillian

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

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

    Play