Drecom has confirmed that Tokiwa Kujora and Yuunagi’s Eris no Seihai (The Holy Grail of Eris) light novel series has been green-lit for an anime adaptation. A teaser video and visual for the anime have been released.

[https://www.youtube.com/watch?v=nZXGKJT-e5A]

Eris no Seihai Anime Teaser Visual

Tokiwa started the story in 2017 on the Shousetsuka ni Narou website, and SB Creative published the first novel with illustrations by Yuunagi (Saikyou Degarashi Ouji no Anyaku Teii Arasoi, Ore no Genjitsu wa Renai Game??) in November 2019 and the fourth novel in March 2022. Drecom will publish the original novels and a new fifth novel on November 7th, 2024. Yen Press releases the novels in English, and it released the fourth novel in October 2023.

Eris no Seihai Novel Cover 5

The light novels were also adapted into a manga by Momoyama Hinase (Higurashi no Naku Koro ni Kai – Minagoroshi Hen) in 2019 on Square Enix’s Manga UP! website. Square Enix published the manga’s first tankoubon volume in November 2019 and the 10th volume in March 2024. The 11th volume will be released on November 7th, 2024. Yen Press published the manga’s eighth volume in English in September 2024 and it will release the ninth volume on January 21st, 2025.

Eris no Seihai Manga Cover Volume 1

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!