The Holy Grail of Eris
The Holy Grail of Eris
The Holy Grail of Eris
Watch S1E1
2026- 2026
1 Seasons
12 Episodes
7.6(7 votes)
Returning Series
Animation
Mystery
Sci-Fi & Fantasy

Overview

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.

Where to Watch

Stream

Crunchyroll
Crunchyroll Amazon Channel

Links & Resources

Social & External

Production Companies

Ashi Productions
Good Smile Film
Hakuhodo DY Music & Pictures
Drecom
TBS
LDH JAPAN
BS11
TEICHIKU ENTERTAINMENT
Medicos Entertainment
THE KLOCKWORX
Square Enix
Bushiroad Move
DRE Pictures

Cast & Crew

7 members
Acting

市ノ瀬加那

Constance Grail (voice)

市ノ瀬加那
Acting

鈴代紗弓

Scarlett Castiel (voice)

鈴代紗弓
Acting

阿座上洋平

Randolph Ulster (voices)

阿座上洋平
Acting

市道真央

Lily Orlamunde (voice)

市道真央
Acting

内田真礼

Cecilia Adelbide (voice)

内田真礼
Acting

花江夏樹

Enrique Adelbide (voice)

花江夏樹
Acting

福山潤

Dominic Harmsworth (voice)

福山潤

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