The Holy Grail of Eris · LeviOsa

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The Holy Grail of Eris · LeviOsa

The Holy Grail of Eris key art

2026·Ended

AnimationMysterySci-Fi & FantasyMBS

7.4/10

Episodes

At the Grand Merillian

Pilot

S1, E1

At the Grand Merillian

0/12

Stickers

7.4

TMDB

Storyline

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.

Trailers

The Holy Grail of Eris trailer thumbnail

Official Trailer [Subtitled]

Details

GenresAnimation · Mystery · Sci-Fi & Fantasy

First airedJan 8, 2026

StatusEnded

NetworkMBS, 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

Seasons1 season · 12 episodes

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Cast

Kana Ichinose

Kana Ichinose

Constance Grail (voice)

Sayumi Suzushiro

Sayumi Suzushiro

Scarlett Castiel (voice)

Yohei Azakami

Yohei Azakami

Randolph Ulster (voices)

Mao Ichimichi

Mao Ichimichi

Lily Orlamunde (voice)

Maaya Uchida

Maaya Uchida

Cecilia Adelbide (voice)

Natsuki Hanae

Natsuki Hanae

Enrique Adelbide (voice)

Jun Fukuyama

Jun Fukuyama

Dominic Harmsworth (voice)

Where to watch

NG

Crunchyroll

Crunchyroll Amazon Channel

See all on JustWatch

Reviews

1 review

R

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Information

Title

The Holy Grail of Eris

Released

2026

Rated

TV-14

Region of Origin

Japan

Original Audio

Japanese

Show Type

Scripted

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