Satania generally wears her school uniform, consisting of: a short, red and black plaid skirt, a red neck tie with an upside down white cross, dark grey knee high socks with 2 white stripes at the top of each, a dark grey shirt, brown jacket with 5 buttons and 2 pockets (1 on each side), and finally brown shoes. A black hairband and black open winged, bat shapped hair clip can be noticed upon her red hair as well. She has red eyes.
She does dress differently, however, within the opening for the anime, and that outfit is while she is a demon. It consists of a long black corset styled dress with fluffy fabric blooming out from below. A few red seam lines on the corset part, and a white chest piece fabric attached to the black lace choker.
