

The Holy Grail of Eris
2026 · TV · 1 season · 12 episodes · TV-14
The series ran 1 season across 12 episodes and has ended.
Synopsis
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.
Ratings
| Source | Rating | Weight |
|---|---|---|
| IMDb | 8.0/10 | 71% |
| TMDB | 7.4/1024 votes | 29% |
| Balasaur Score | 78 | 100% |
Seasons
| 1 | Season 1 | 12 ep2026 |
Cast
- Kana IchinoseConstance Grail (voice)
- Sayumi SuzushiroScarlett Castiel (voice)
- Yohei AzakamiRandolph Ulster (voices)
- Mao IchimichiLily Orlamunde (voice)
- Maaya UchidaCecilia Adelbide (voice)
- Natsuki HanaeEnrique Adelbide (voice)
- Jun FukuyamaDominic Harmsworth (voice)























