Height: 173 cm
Weight: 57 kg

Margery is a tall, "well-endowed" and mature blond Flame Haze with a drinking habit. She uses the book Grimoire, which is the divine vessel through which Marchosias, to whom she is bound, expresses his will. Her main powers focus around chanting spells and turning into a werewolf. She casts spells by chanting an "Improvisational Poem of Slaughter." Eita and Keisaku look up to her because she saved their lives once.