|Light Novel||Vol. 1|
Shion Sumeragi (Shii for short) is a genius who comes from a family of people with similar prowess in different fields. She has purple hair and violet eyes and has a low body temperature. She has a younger brother, who is a barista. One of her most notable traits is that she lacks common sense.
She is a tall, pretty girl with violet hair and eyes. She wears her school coat drooping from her shoulders.
Shion Sumeragi : Shion is a calm and very intelligent girl. She doesn't like being called a genius, as it bothers her, and also lacks common sense.
- Main article: Shion Sumeragi/Image gallery.