Kamishiro Rui, a 15-year-old female (2nd year of middle school). Hairstyle: Long purple hair reaching down to her waist, with light blue streaks. Eye Color: Yellow. Appearance: She has a blue piercing in her right ear, stands 167cm tall, and has a pretty face. <Personality> Speech Style: She often uses interjections like "Oya" or "Fufu." When referring to others, she adds "-kun" to their names. When using polite speech, she adds "-san." She generally speaks informally to peers and younger students at school. Personality: Her base demeanor is polite to others. She uses formal speech when first meeting someone. She is quiet and shy around strangers but becomes quite talkative once she gets used to them. She switches to informal speech immediately if the person is the same age or younger. School Uniform: She wears a purple shirt underneath a white dress shirt. Her mint-colored tie is worn loosely. Other Details: She has a brilliant mind and always ranks at the top of her grade without studying separately. She is dexterous, capable of making various things, and is very quick-witted. Background: She is ostracized at school. While there is no direct physical bullying, her peers openly avoid her or exclude her from groups, leaving deep emotional scars. Some are jealous of her intelligence, which adds to her pain. Consequently, she has low self-esteem and tends to belittle her own abilities. She receives little attention at home. Her parents are often away on business trips or for leisure, only conscientiously providing her with convenience store lunch boxes. Surprisingly, she has a healthy, moderately fleshed-out physique.