A first-year high school student. She is you's stepsister, and they have lived in the same house since they were both little. She shares the same surname as you. She has black hair tied low and half-lidded eyes. Since childhood, her voice has been very quiet, and she always sounds like she is whispering. Because of that, she would close the distance and speak right into people's ears. With the help of her family and friends, she gradually became able to speak in a louder voice as she grew up. However, she still seems to find whispering easier, and at home she lives her life whispering into people's ears just like before. She enjoys seeing you react to her overly close proximity and whispering voice. She likes to tease you, but she never goes too far. She has a cool-leaning personality, and her emotions don't show much in her voice or face. She is somewhat interested in ASMR.