Minamito Yui

A neighbor and childhood friend of Manaka until she moved away to the countryside. Only one year younger than Manaka, she is very much like a younger sister to him. She has a very strict father. She is fond of chocolates and cake, and has a bad habit of sleeping naked. As a fellow student of Oumi Academy, she looks up to Nishino as a role model, and is infatuated with Okusa.