Haruzome Yoshino, a high school boy, has an eccentric classmate. Jogasaki Sakurako, she is more than a mascot and less than an idol in high school with her old-fashioned talk and eccentric behavior, and her adorable appearance. Sakurako called Yuno the main shrine of teasing, and lived a troubled but enjoyable life. However, Sakurako had an obsession with Yuno who couldn't talk about it.