According to recent news from Drecom, the anime adaptation of Kujira Tokiwa and Yuunagi 's Eris no Seihai light novel series will be released in Japan in January 2026 during Anime Expo on Saturday. It will be broadcast on TBS and its affiliate stations as well as on BS11.
- Director: "Morita to Junpei" (JUMPEI & MORITA) - 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 - Production Cooperation: STUDIO LIVE - Animation Production: Ashi Productions
In the anime adaptation of "Constance Grail," Kana Ichinose will portray the character of Scarlett Castiel, while Sayumi Suzushiro will return as Constance Grail. Both actors have previously voiced these characters in the drama CD version of the light novel. Furthermore, Yōhei Azakami will play Randolph Alster, and M.A.O will take on the role of Lily Orlamünde.
Tokiwa launched ( link ) In 2017, there was a story published on the Shōsetsuka ni Narō website. On November 7th of that year, Drecom released all five volumes of the original light novel simultaneously.
Yen Press releases the light novels in English and describes the story:
Connie is a young noblewoman whose only standout quality is her sincerity. Maybe that's why she loses her fiancée and gets framed for a crime in the span of one night. Just as all hope seems lost, the ghost of an infamous villainess who was executed years ago possesses her and clears her name. With her incomparable charisma and intelligence, the spirit of Scarlet Castiel turns the tables in the blink of an eye. In return, Connie insists that she help uncover the truth surrounding her new benefactor's untimely death and a conspiracy that continues to this very day!
In 2019, the manga adaptation of Momoyama was released on Square Enix's Manga UP! website and app. Additionally, Yen Press also released the manga adaptation, while Square Enix's Manga UP! Global published it digitally.
S.Kosugi launched ( link ) On October 18th, a sequel manga called "The Holy Grail of Eris -SEQUEL-" will be released as an adaptation of the original work.
Sources: Drecom panel at Anime Expo (Kalai Chik), press release
ANN's coverage of Anime Expo 2025 is sponsored by Yen Press and Ize Press!