Haruna Kizaki (木咲榛菜, Kizaki Haruna) A cool upperclassman, she meets Chika when giving her a tour around the school. Haruna uses her handkerchief to clean Chika's wound when she falls over, prompting Chika to promise to return it when she enters the school. Haruna was previously in a relationship with an upperclassman which did not end well, leaving her unsure about new relationships.