Asa is a high school girl of average build and height. She has brown eyes that are usually pitch dark, though the irises become much brighter in some situations. Her hair is black and is sometimes colored with a purple tint. The hair reaches the middle of her back, and she wears it in two low twin tails, making it appear shorter. In the past, Asa wore her hair at shoulder length.
She wears the same school uniform as the rest of the girls in her class. The uniform consists of a long-sleeved butto