Hanamatsuri Karin

Despite being a university student, Karin is a popular model and idol. She often visits the cafe Isshu and Haya work at. She acts like a rich lady in front of her fans, she has a limousine, but she actually loves jokes, has a strong sense of justice and is very mature. Her nickname is Rikarin and she uses that name at work. She seems to have a close relationship with Kanata, who happens to be a model as well.