by The highly anticipated Winter 2026 anime The Holy Grail of Eris has officially been announced for free online streaming on ABEMA. Beginning Thursday, January 8, 2026, new episodes will stream every Thursday at midnight (Friday 0:00 JST) on the ABEMA Anime Channel.
This announcement makes it easy for both longtime fans of the original novel and newcomers to enjoy the series legally and free of charge.
Free Streaming Schedule on ABEMA (Easy Guide)
- First broadcast & streaming:
Thursday, January 8, 2026, at 12:00 a.m. (midnight) - Platform: ABEMA Anime Channel
- Weekly schedule: Every Thursday at midnight
- Catch-up viewing:
Starting three days after broadcast, the latest episode will be available for free for one full week, beginning every Sunday at midnight
This generous streaming format allows viewers to catch up even if they miss the initial broadcast—perfect for beginners and casual anime fans.
What Is The Holy Grail of Eris About? (Beginner-Friendly Overview)
The Holy Grail of Eris is a suspense fantasy anime with strong mystery and drama elements. It is based on the popular light novel written by Kujira Tokiwa, which has sold over 1.2 million copies worldwide.
Main Story Premise
The story follows Constance Grail, a modest and kind-hearted viscount’s daughter whose only standout trait is her honesty. Her peaceful life collapses when she becomes the victim of a carefully orchestrated conspiracy involving her fiancé and his secret lover.
Just when Constance reaches her lowest point, she encounters:
- Scarlett Castiel – the ghost of a notorious noblewoman
- Known as a “rare villainess”, Scarlett was executed ten years earlier
Instead of seeking revenge alone, Scarlett forms an unusual alliance with Constance. Together, the living and the dead:
- Investigate hidden crimes within aristocratic society
- Uncover long-buried political and social conspiracies
- Gradually expose the truth behind Scarlett’s execution
A Unique Dual-Heroine Dynamic
One of the biggest strengths of The Holy Grail of Eris lies in its contrast-driven storytelling:
- Constance Grail:
Quiet, sincere, morally upright, and inexperienced in political games - Scarlett Castiel:
Sharp-tongued, intelligent, morally ambiguous, and deeply wronged
Their partnership blends:
- Mystery-solving
- Psychological tension
- Emotional growth
This dynamic makes the anime appealing even to viewers who usually avoid fantasy titles.
Why This Anime Stands Out in Winter 2026
Unlike typical fantasy anime focused on battles or reincarnation tropes, The Holy Grail of Eris emphasizes:
- Court intrigue and social deception
- Female-led suspense storytelling
- Gradual, thoughtful plot development
Fans of series involving villainess perspectives, noble society drama, and ghostly mysteries will find this anime especially compelling.
Original Work & Media Expansion
- Original format: Light novel
- Publisher: Often praised in reader polls for story depth
- Manga adaptation: Currently expanding the fanbase further
- Total circulation: Over 1.2 million copies across formats
The anime adaptation marks a major milestone for the franchise and is expected to introduce the story to a global audience.
Additional Updates to Watch For
While the streaming schedule has been confirmed, fans are still awaiting:
- Full voice cast announcements
- Opening and ending theme song details
- Confirmation of episode count and Blu-ray releases
- Potential international streaming expansions
These updates are expected to be revealed as the broadcast progresses.
Final Thoughts
With free weekly streaming on ABEMA, a compelling suspense-driven narrative, and a rare focus on a “villainess” perspective, The Holy Grail of Eris is shaping up to be one of the most accessible and intriguing anime of Winter 2026.
If you enjoy:
- Elegant mystery stories
- Female-led fantasy drama
- Slow-burn revelations and conspiracies
This is a series well worth adding to your watchlist.
