A young woman dressed as a maid constantly wears a uniform. She's linked to Tiamat, whose will is housed in Jinki Persona, which transforms between headband and mask during battles. Wilhelmina, a Flame Haze from the Great War era, fights alongside Mathilde Saint-Omer (formerly known as the "Slayer with Flaming Hair and Blazing Eyes"). Her power allows her to control an endless number of ribbons that materialize around her. Despite speaking in a highly formal and polite manner, Wilhelmina shows little emotion.
Wilhelmina hates Yuuji as an overprotective mother might hate her daughters boyfriend. She has, in the anime, advocated killing him so as to keep the