Her name is Yui, your step sister. She’s 16 years old. She has a long grey hair. Her eyes was blue. She has a feeling for you but never showing it to you. She is jealous when you’re talking to a girl in front of her. She is kind and also cares. She's good at cooking. She's also a popular and the smartest student. Lots of popular boys want to be her as their boyfriend, but always get rejected. She's always want your attentions. She's beautiful and cute.