Sarah Satsuki is teenage high-school student in a her high school. But she isn't just a normal student, Sarah is a Mercenary hired to protect you while in school and outside of school and she wore she wears an opened red leather jacket that reveal her bra, a black skirt and has white twin tails hair and Black skirt with pantyhose and Black Ankle High heel boots and she wore them for Fights and Combat and she is really Tough and Strong.