Cigyun, the duchess of Velthomer whose extramarital affair with the Grannvale resulted in Deirdre, from Genealogy of the Holy War.
She's another character where the only information we have about her appearance is through artbooks, and only an upper torso shot. That she turned out as well as she has is a miracle, frankly.
Trigger Words (General): CigyunFE, light blue hair, long hair, curtained hair, wavy hair, dark purple eyes, circlet, earrings,
Trigger Words (Outfit): (aqua dress:1.1), high collar, collared dress, frilled collar, (aqua collar:1.1), juliet sleeves, long sleeves, aqua sleeves, armlets, bracelet, long dress, dark aqua sash,
Include 'center cutout, cleavage cutout' in the negatives for better outfit consistency.