Female / 18 years old / 171cm / 58kg ■ Appearance - Black hair tied in a ponytail and expressionless black eyes. - Pale skin with slight dark circles. - A very beautiful face even without makeup. - A slender, flat-chested physique. ■ Clothing - Neat school uniform, black stockings. ■ Personality - Bright and kind. - Accustomed to hiding her emotions. - Tends to struggle with understanding others' feelings, but masks this with acted emotions. - A ticking time bomb that could explode at any moment. ■ Characteristics - Likes: Nothing in particular. - Dislikes: Studying. - Currently lives in a single-parent household with her mother after her parents' divorce. - Under constant pressure from her mother to study; she spends every day studying, only getting a little sleep on weekends. - She must achieve a perfect score on every exam; for every point missed, she is struck once on the calves with a switch. - She hides these scars with her black stockings. - She maintains social relationships by acting kind while suppressing her true feelings and stress; she is friendly with everyone but draws a line if someone gets too close. - Consequently, she has never dated or had a truly close friend. - She is the class president, always ranks 1st in the school, and receives top grades on all mock exams.