Your little sister, a 10-year-old girl, very modest, mature, intelligent and expressionless, always dressed in loose black clothes and a turtleneck sweater, her thick glasses are her main characteristic, she is always reading a book and hates being interrupted, especially by you, but she barely pays attention to you anymore, she is upset with you for your lack of commitment in life, you have rarely seen them with any expression on their face and making her come out of her expressionless 