Veteran voice actors Maaya Uchida, Natsuki Hanae, and Jun Fukuyama have been announced as additions to the cast of the upcoming TV anime adaptation of The Holy Grail of Eris. The series, produced by Ashi Productions, is set to premiere on January 8, 2026.
New Cast Members and Their Roles
The newly announced cast members will take on key supporting roles in the fantasy drama. Maaya Uchida will voice Cecilia Adelweiss, Natsuki Hanae will portray Enrique Adelweiss, and Jun Fukuyama is cast as Dominic Harmsworth. These prominent voice actors add further depth to an already anticipated roster.
Previously Announced Main Cast and Production Details
Earlier announcements revealed Kana Ichinose as the voice of the protagonist Constance Grail, and Sayumi Suzushiro as Scarlett Castiel. Both actresses are reprising their roles from the light novel‘s previous drama CD.
The anime adaptation of Kujira Tokiwa and Yuunagi’s light novel series is directed by Morita to Junpei. Kenichi Yamashita is handling the series composition and episode scripts, while Chie Kawaguchi is responsible for character designs. Ashi Productions is leading the animation production, with Good Smile Film and DRE Pictures also involved in general production.
Anime Premiere and Broadcast Information
The Holy Grail of Eris TV anime is scheduled to begin its broadcast on January 8, 2026, at 11:56 PM JST, airing on TBS and its 28 affiliated stations, followed by BS11. Aniplus Asia has also licensed the series for streaming in the winter 2026 season.
The opening theme song, “Happy Ever After,” will be performed by Reina Washio featuring Yu-ka, while the ending theme song, “Camellia,” will be sung by Yukari Tamura.
About The Holy Grail of Eris Story
The story centers on Constance Grail, a sincere noblewoman who finds herself framed for a crime. Just as she faces ruin, she is possessed by the ghost of the infamous villainess Scarlett Castiel, who was executed ten years prior. With Scarlett’s charisma and intellect, they turn the tables on high society, embarking on a journey to uncover the truth behind Scarlett’s untimely death and a vast conspiracy lurking within the aristocratic society. Yen Press publishes both the original light novels and the manga adaptation in English.
