Reina Washio, YU-KA - Happy Ever After Lyrics
The Holy Grail of Eris Opening Theme Lyrics
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Description: Opening Theme
From Anime: Eris no Seihai (エリスの聖杯)
From Season: Winter 2026
Performed by: Reina Washio , YU-KA
Released: 2026
Japanese Title: エリスの聖杯
English Title: The Holy Grail of Eris
Original Release Date:
- January 8th, 2026
Constance Grail, a plain viscount’s daughter whose only redeeming quality is her sincerity, finds herself in a dire situation after being framed by her fiancé’s mistress.
As judgment is about to be passed, Connie looks around in desperation for someone to help her—but not only does no one stand up for her, even those who know the truth turn their backs on her.
Then, just as despair takes hold, a voice whispers in her ear: “I’ll help you.”
The owner of that voice is Scarlet Castiel, a duke’s daughter who was executed ten years ago—the infamous villainess of her age.
Two people who should never have met. And the gears of fate begin to turn.
Soon, a vast conspiracy lurking within aristocratic society starts to reveal itself.
