Anime Overview
The Holy Grail of Eris
Sixteen year old Constance Grail, heir to a once respected family, reluctantly accepts an arranged engagement to salvage her household’s standing. At a noble ball she encounters a beguiling stranger whose unexpected intervention leads to Constance being inhabited by the woman’s restless spirit. The ghost identifies herself as Scarlett Castiel, a notorious f…
Characters
Meet the featured characters and Japanese voice actors tied to The Holy Grail of Eris before opening the full characters page.
Scarlett Castiel
Main | Japanese VA: Suzushiro, Sayumi
Constance Grail
Main | Japanese VA: Ichinose, Kana
Miriam
Supporting | Japanese VA: Kayano, Ai
Abigail O'Brian
Supporting | Japanese VA: Kawasumi, Ayako
Randolph Ulster
Supporting | Japanese VA: Azakami, Youhei
San
Supporting | Japanese VA: Touyama, Nao
Staff
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Morita to Jumpei
Director, Storyboard
Tokiwa, Kujira
Original Creator
Yamashita, Kenichi
Script, Series Composition
Fujimura, Tomoko
Producer
Fukao, Satoshi
Producer
Fukushima, Youjin
Producer
Latest Episodes
A quick static snapshot of recent tracked episodes for The Holy Grail of Eris before the interactive guide loads.
Episode 12: The Final Chapter: At the Grand Merillian
Aired Mar 26, 2026
Episode 11: Those Who Defy Fate
Aired Mar 19, 2026
Episode 10: For the Future
Aired Mar 12, 2026
More Guide Pages
Open the deeper episode, cast, staff, and franchise guide pages tied to this overview.
The Holy Grail of Eris episode guide
12 tracked episodes
The Holy Grail of Eris characters
6 featured characters
The Holy Grail of Eris staff
6 featured staff credits