The Holy Grail of Eris
Eris no Seihai / The Holy Grail of Eris / ผีนางร้ายจับคู่สาวซื่อ รื้อคดีใหญ่Summary
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.
(Source: Crunchyroll)
Where to watch
Platforms
Official and social
Availability may vary by country.
Episodes
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Details
- Format
- N/A
- Number of Episodes
- 12
- Episode length
- 24 min
- Estimated total length
- ≈ 4 h 48 min (12 × 24 min)
- Season
- Winter 2026
- Start date
- January 8, 2026
- End date
- March 26, 2026
- Status
- Finished
- Source
- Light novel
- Country of origin
- Japan
- Studios
- Ashi Productions
- Romaji title
- Eris no Seihai
- English title
- The Holy Grail of Eris
- Native title
- エリスの聖杯
- Other titles
- The Holy Grail of Eris · ผีนางร้ายจับคู่สาวซื่อ รื้อคดีใหญ่
Characters 25
Main characters
- Scarlet Castielスカーレット・カスティエルMain
- Constance Grailコンスタンス・グレイルMain
Show the other characters (23)
- Cecilia Adelbideセシリア・アデルバイドSupporting
- Lily Orlamundeリリィ・オーラミュンデSupporting
Profile
- Gender
- Female
- Randolph Ulsterランドルフ・アルスターSupporting
Profile
- Gender
- Male
- Enrique Adelbideエンリケ・アデルバイドSupporting
Profile
- Gender
- Male
- Dominic Harmsworthドミニク・ハームズワースSupporting
Profile
- Gender
- Male
- Neil Bronsonニール･ブロンソンSupporting
Profile
- Gender
- Male
- Lucia O'Brianルチア･オブライエンSupporting
Profile
- Gender
- Female
- Pamela Francisパメラ･フランシスSupporting
Profile
- Gender
- Female
- Aisha Huxleyアイシャ･ハクスリーSupporting
Profile
- Gender
- Female
- Deborah Darkianイト･ロレーヌSupporting
Profile
- Gender
- Female
- Abigail O'Brianアビゲイル･オブライエンSupporting
Profile
- Gender
- Female
- RebeccaレベッカSupporting
Profile
- Gender
- Female
- MiriamミリアムSupporting
Profile
- Gender
- Female
- BrendaブレンダSupporting
Profile
- Gender
- Female
- Alienore Shibolaアリエノール･シボラSupporting
Profile
- Gender
- Female
- Emilia Godwinエミリア･ゴードウィンSupporting
Profile
- Gender
- Female
- Kimberly Smithキンバリー･スミスSupporting
Profile
- Gender
- Female
- Maximillian Castielマクシミリアン･カスティエルSupporting
Profile
- Gender
- Male
- Aldous Claytonオルダス･クレイトンSupporting
Profile
- Gender
- Male
- Kate Lorraineケイト･ロレーヌSupporting
Profile
- Gender
- Female
- Adolphus Castielアドルファス・カスティエルSupporting
Profile
- Gender
- Male
Scarlet's father. A powerful prime minister who serves as the king's trusted confidant.
- Ernst Adelbideエルンスト･アデルバイドSupporting
Profile
- Gender
- Male
- Dylan Bellesfordデュラン･ベレスフォードSupporting
Profile
- Gender
- Male
Staff and studios
Studios
Key staff
- Morita to JumpeiDirector
- YuunagiOriginal Character Design
- Kujira TokiwaOriginal Story
- Kenichi YamashitaSeries composition
- Chie KawaguchiCharacter design
- Nobuhito SueArt director
- Yuuichi MoritaSound director
Show the full staff (8)
- Jun YukawaSub Character Design
- Aiko YamagamiColor Design
- Yuriko SanoEditing
- Kenichi YamashitaScript
- YU-KATheme Song Performance (OP)
- Yukari TamuraTheme Song Performance (ED)
- Reina WashioTheme Song Performance (OP)
- Yuuko KamaharaDirector of Photography