Poster for The Holy Grail of Eris (2026)

TV Series Ended

The Holy Grail of Eris (2026)

Jan 8, 2026 · 1 season · 12 episodes

7.4/10 TMDB user score
24 votes on TMDB

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.

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Series cast

  • Kana Ichinose Kana Ichinose Constance Grail (voice) 12 episodes
  • Sayumi Suzushiro Sayumi Suzushiro Scarlett Castiel (voice) 12 episodes
  • Yohei Azakami Yohei Azakami Randolph Ulster (voices) 12 episodes
  • Mao Ichimichi Mao Ichimichi Lily Orlamunde (voice) 12 episodes
  • Maaya Uchida Maaya Uchida Cecilia Adelbide (voice) 12 episodes
  • Natsuki Hanae Natsuki Hanae Enrique Adelbide (voice) 12 episodes
  • Jun Fukuyama Jun Fukuyama Dominic Harmsworth (voice) 12 episodes

Seasons

  • Poster for The Holy Grail of Eris, Season 1 Season 1 Jan 2026 · 12 episodes

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