Kokomi starts off as a conceited girl focused on her own beauty and wealth. She's popular at school and can manipulate people with her good looks and smooth talking. However, she gradually changes over the series, becoming more considerate of others and making genuine connections. In the end, she goes to extreme lengths to keep up her reputation, even memorizing everyone's names and quirks. She has a big crush on a boy called Kusuo Saiki, but she doesn’t fall for her.