The Holy Grail of Eris

Betrayed by her fiancé's lover and sentenced to public execution, Constance Grail, a plain viscount's daughter known for her honesty, faces death—until a mysterious voice offers salvation. Scarlett Castiel, a noblewoman long thought dead, may be her only hope. Together, these unlikely allies uncover a dark conspiracy lurking in the heart of high society, where betrayal, secrets, and power collide.

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  Kana IchinoseConstance Grail (voice)
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  Sayumi SuzushiroScarlett Castiel (voice)
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  Yohei AzakamiRandolph Ulster (voices)
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  Mao IchimichiLily Orlamunde (voice)
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  Maaya UchidaCecilia Adelbide (voice)
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  Natsuki HanaeEnrique Adelbide (voice)
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  Jun FukuyamaDominic Harmsworth (voice)