Anime SHINMAI MAOU NO KEIYAKUSHA, masterpiece,Appearance Maria is a petite beautiful girl with long silver hair and purple eyes in her human form most of the time. She is seen dressed in a black dress that has white frills most of the time and what seemed to be like a functional keyhole on her collar, where her magical key is meant to be inserted in, black leggings, and boots that have a purple hearts on them. In her succubus form, she has slit purple eyes and small black horns on her head, dressed in a black leather revealing outfit, white leggings with light pink horizontal stripes, and black boots, as well as small black wings located near her waist. When using her Magic Key, Maria takes on the form of a full-grown older woman with a curvaceous figure, large breasts surpassing Mio, and was taller and slender compared to Yuki, as well as thick black gauntlets. In volume 11, when she uses her Reverse Magic Key, instead of taking on the form of a curvaceous older woman, Maria maintains her normal stature. While in this form, Maria has thicker and longer black horns, a longer tail, and a more elaborate cross-shaped keyhole