The Holy Grail of Eris poster

The Holy Grail of Eris

No ratings yet. Be the first to rate.

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.

  • Release date
  • January 8, 2026
  • TMDB score
  • 7.1
1 seasons Animation, Mystery, Sci-Fi & Fantasy Creator: Kenichi Yamashita

Log in to rate, list, and review this title.

Log in Sign up

Cast

Kana Ichinose photo Kana Ichinose Constance Grail (voice) Sayumi Suzushiro photo Sayumi Suzushiro Scarlett Castiel (voice) Yohei Azakami photo Yohei Azakami Randolph Ulster (voices) Mao Ichimichi photo Mao Ichimichi Lily Orlamunde (voice) Maaya Uchida photo Maaya Uchida Cecilia Adelbide (voice) Natsuki Hanae photo Natsuki Hanae Enrique Adelbide (voice) Jun Fukuyama photo Jun Fukuyama Dominic Harmsworth (voice)

Characters

Rate the cast one by one. The best-loved character is the community’s call.

Sign in to rate characters.

Episodes

Season 112 episodesSeason page

Where to watch

Subscription

CrunchyrollCrunchyroll Amazon Channel

Reviews

No reviews yet.