The Holy Grail of Eris Anime’s New Trailer Features Opening Theme

The Holy Grail of Eris anime‘s official website unveiled a brand new trailer that features opening theme song “Happy Ever After feat. YU-KA” by Reina Washio.

Release date for “The Holy Grail of Eris” anime.

The Holy Grail of Eris anime will go live on January 8, 2026.

Stars of the anime include:

• Kana Ichinose as Constance Grail 
• Sayumi Suzushiro Scarlett Castiel

More cast include:

• Yōhei Azakami as Randolph Alster
• M.A.O as Lily Orlamünde
• Maaya Uchida as Cecilia Adelbide
• Natsuki Hanae as Enrique Adelbide
• Jun Fukuyama as Dominic Hamsworth

Staff include:

• Director: “Morita to Jumpei”
• Series Composition, Script: Kenichi Yamashita
• Character Design: Chie Kawaguchi
• Sub-Character Design: Jun Yukawa
• Art Director: Nobuhito Sue 
• Color Design: Aiko Yamagami 
• Director of Photography: Yūko Kamahara 
• Editing: Yuriko Sano 
• Sound Director: Yūichi Morita
• Production: Good Smile Film / DRE Pictures
• Production Cooperation: STUDIO LIVE
• Animation Production: Ashi Productions

“The Holy Grail of Eris” is a Japanese light novel series authored by Kujira Tokiwa and illustrated by Yuunagi. It originally appeared online from October 2017 until August 2018 on the user-generated novel platform Shōsetsuka ni Narō. SB Creative later picked it up, releasing four volumes between November 2019 and March 2022 through their GA Novel label. A manga version, illustrated by Hinase Momoyama, began serialization in November 2019 on Square Enix’s Manga Up! site and has since been compiled into thirteen tankōbon volumes. In November 2024, Drecom Media issued a fresh edition of the light novels by the original author and artist, spanning five volumes under the DRE Novels imprint.

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Ibrahim

My name is Ibrahim and I am a huge anime fan. I have decent experience in the industry, I provide daily news regarding anime and manga.