The Holy Grail of Eris

Genres: Animation, Mystery, Sci-Fi & Fantasy

Counries: Japan

Companies: Ashi Productions, Good Smile Film, Hakuhodo DY Music & Pictures, Drecom, TBS, LDH JAPAN, BS11, TEICHIKU ENTERTAINMENT, Medicos Entertainment, NewGin, THE KLOCKWORX, Square Enix, Bushiroad Move, DRE Pictures

Seasons: 1 (12 episodes)

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.