Drecom has released a new trailer for the TV anime adaptation of The Holy Grail of Eris, featuring the opening theme song “Happy Ever After feat. YU-KA” by Reina Washio.
The Holy Grail of Eris premieres January 8, 2026, and the anime will air on TBS and 28 affiliate channels in Japan at 11:56 p.m. JST.
Yukari Tamura performs the ending theme song “Camellia.”
The cast includes:
- Kana Ichinose as Constance Grail
- Sayumi Suzushiro as Scarlett Castiel
- Yōhei Azakami as Randolph Ulster
- M.A.O as Lily Orlamunde
- Maaya Uchida as Cecilia Adelbide
- Natsuki Hanae as Enrique Adelbide
- Jun Fukuyama as Dominic Hamsworth
The staff includes:
- Director: “Morita to Junpei”
- Series Composition, Script: Kenichi Yamashita
- Character Design: Chie Kawaguchi
- Sub-Character Design: Jun Yukawa
- Art Director: Nobuhito Sue (Kusanagi)
- Color Design: Aiko Yamagami (T.D.I.)
- Director of Photography: Yūko Kamahara (T.D.F.)
- Editing: Yuriko Sano (T.A.P.)
- Sound Director: Yūichi Morita
- Production: Good Smile Film / DRE Pictures
- Animation Production: Ashi Productions
Kujira Tokiwa and Yuunagi launched the light novel series on the Shōsetsuka ni Narō website in 2017. Momoyama launched a manga adaptation on Square Enix’s Manga UP! platform in 2019. Yen Press publishes the manga physically, while Manga UP! publishes the manga digitally. The sequel manga S.Kosugi, The Holy Grail of Eris -SEQUEL-, launched on October 18, 2024.
Lastly, here’s an overview of the series:
Connie, an ordinary viscount’s daughter, is saved from a malicious lady’s attack at a ball by a beautiful noblewoman ghost. The ghost is Scarlett Castiel, the duke’s daughter, infamous as a notorious villainess who was executed 10 years ago.
In exchange for her rescue, Connie is compelled to investigate Scarlett’s case for her revenge. As Connie goes undercover, enters into a fake engagement,
and even confronts powerful nobles, she draws closer to uncovering an enormous conspiracy…
