On March 21, 2025, the anticipated The Holy Grail of Eris anime series unveiled a captivating new promotional video. This latest release not only showcased the anime’s exciting premise but also confirmed it will air in a television format. While fans have known about the adaptation of the light novel series, this announcement marks the first revelation of its broadcasting details.
Alongside the video, a wealth of information was shared, including the comprehensive list of staff members and cast. A striking new key visual also accompanied these announcements. Although the video did not specify a release date or window, viewers can look forward to more detailed information in the series’ next major news update.
New Cast Members and Production Team for The Holy Grail of Eris Anime
Recently announced cast members include Yohei Azakami voicing Randolph Ulster and M.A.O portraying Lily Orlamunde. Both actors are known for their notable performances, with Azakami having played the lead in Ron Kamonohashi’s Forbidden Deductions and M.A.O recognized for her roles as Shion in Tensura Slime and Iris in Fire Force. They join previously confirmed stars Kana Ichinose and Sayumi Suzushiro, who reprise their roles from the drama CD tied to the original light novel by Kujira Tokiwa and illustrator Yuunagi.
The complete production team, featuring Ashi Productions as the animation studio, includes:
- Director: Morita 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 Companies: Good Smile Film / DRE Pictures
- Animation Production: Ashi Productions
The promotional video offers a sneak peek primarily at the characters voiced by Ichinose and Suzushiro while setting the stage for the anime’s unique world. Brief glimpses of the performances by Azakami and M.A.O are also included, providing insight into their characters. As noted, no official release date has yet been shared.
The source material for this anime, a light novel, began its journey as a web novel written by Tokia on the platform Shosetsuka ni Naro, running from October 2017 to August 2018. Following this, the light novels have seen publication from November 2019 until November 2024, spanning two different publishers and imprints.
Additionally, a manga adaptation created by illustrator Hinase Momoyama was launched in Square Enix’s Manga Up! magazine in November 2019 and continues to be serialized to this day.